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Publications

2023

Diaz-Granados, Katja, Ma, Weiliang, Lu, Guanyu, Matson, Joseph, Li, Peining and Caldwell, Joshua D.. “Tailored thermal emission in bulk calcite through optic axis reorientation” Nanophotonics (2023).

Mingze He, Levi Hoogendoorn, Saurabh Dixit, Zhiliang Pan, Guanyu Lu, Katja Diaz-Granados, Deyu Li, and Joshua D. Caldwell “Guided Polaritons along the Forbidden Direction in MoO3 with Geometrical Confinement” Nano Letters (2023).
He, M.Nolen, J. R.Nordlander, J.Cleri, A.Lu, G.Arnaud, T.McIlwaine, N. S.Diaz-Granados, K.Janzen, E.Folland, T. G.Edgar, J. H.Maria, J.-P.Caldwell, J. D., “Coupled Tamm Phonon and Plasmon Polaritons for Designer Planar Multiresonance Absorbers” Adv. Mater (2023)
2022

Kowalski, R. A.Nolen, J. R.Varnavides, G.Silva, S. M.Allen, J. E.Ciccarino, C. J.Juraschek, D. M.Law, S.Narang, P.Caldwell, J. D.Mid- to Far-Infrared Anisotropic Dielectric Function of HfS2 and HfSe2Adv. Optical Mater (2022).

S. Yang, M. He, C. Hong, J. D. Caldwell,  J. C. Ndukaife. “Engineering Electromagnetic Field Distribution and Resonance Quality Factor Using Slotted Quasi-BIC Metasurfaces”,  Nano Letters (2022).

H. Zheng, M. He, Y. Zhou, I. I. Kravchenko, J. D. Caldwell, J. G. Valentine. “Compound Meta-Optics for Complete and Loss-Less Field Control”, ACS nano (2022).
M. He, T.G. Folland, P. Alonso-Gonzalez, S. De Liberato, A. Paarmann, J.D. Caldwell, “Exploiting Reductions in Material Symmetry and Hybridization for Infrared Nanophotonics”, ACS Photonics (2022).

N. Passler, X. Ni, G. Hu, J.R. Matson, G. Carini, M. Wolf, M. Schubert, A. Alu, J.D. Caldwell, T.G. Folland, A. Paarmann, “Hyperbolic Shear Polaritons in Low-Symmetry Crystals”, Nature, 602, pages595–600 (2022).

E.R. Hoglund, D.-L. Bao, A. O’Hara, J.A. Hachtel, Z.T. Piontkowski, J.R. Matson, A.K. Yadav, R.C. Haisimaier, R. Engel-Herbert, J.F. Ihlefeld, J. Ravichandran, R. Ramesh, J.D. Caldwell, T.E. Beechem, S.T. Pantelides, P.E. Hopkins, J.M. Howe, “Nanoscale Phonon Spectroscopy Reveals Emergent Interface Vibrational Structure of Superlattices”, Nature, (2021).

2021

G. Lu, C.R. Gubbin, J.R. Nolen, T.G. Folland, K. Diaz-Granados, I.I. Kravchenko, J. Spencer, M.J. Tadjer, O.J. Glembocki, S. De Liberato, J.D. Caldwell, “Collective Phonon-Polaritonic Modes in SiC Subarrays” ACS Nano, doi.org/10/1021/acsnano.1c08557 (2021).

M. He, J.R. Nolen, J. Nordlander, A. Cleri, N.S. McIlwaine, Y. Tang, G. Lu, T.G. Folland, B.A. Landman, J.P. Maria, J.D. Caldwell, “Deterministic Inverse Design of Lithography-Free, Wavelength-Selective Tamm Plasmon Thermal Emitters”, Nature Materials, 20 1663-1669 (2021).

G. Pavlidis, J.J. Schwartz, J.R. Matson, T.G. Folland, S. Liu, J.H. Edgar, J.D. Caldwell, A. Centrone, “Experimental Confirmation of Hyperbolic Phonon Polaritons Long-Lifetimes in Monoisotopic (10B) Hexagonal Boron Nitride at Room Temperature”, APL Materials, 9, 091109 (2021).

M. He, G.R.S. Iyer, S. Aarav, S.S. Sunku, A.J. Giles, T.G. Folland, N. Sharac, X. Sun, J.R. Matson, S. Liu, J.H. Edgar, J.W. Fleischer, D.N. Basov, J.D. Caldwell, “Ultra-high-resolution, Label-free Hyperlens Imaging in the Mid-IR” Nano Letters, 21(19), 7921-7928 (2021).

P. Rufangura, I. Khodasevych, A. Agrawal, M. Bosi, T.G. Folland, J.D. Caldwell, F. Iacopi, “Enhanced Absorption with Graphene-Coated Silicon Carbide Nanowires for Mid-Infrared Nanophotonics”, Nanomaterials 11(9), 2339 (2021).

G.X. Ni, A.S. McLeod, Z. Sun, J.R. Matson, C.F.B. Lo, D.A. Rhodes, F.L. Ruta, S.L. Moore, R.A. Vitalone, R. Cusco, L. Artus, L. Xiong, C.R. Dean, J.C. Hone, A.J. Mills, M.M. Fogler, J.H. Edgar, J.D. Caldwell, D.N. Basov, “Long-lived Phonon Polaritons in Hyperbolic Materials” Nano Letters, 21, 5767-5773 (2021).

M. He, L. Lindsay, T.G. Folland, T.E. Beechem, J.R. Matson, K. Watanabe, A. Zavalin, A. Ueda, W.E. Collins, T. Taniguchi, J.D. Caldwell, “Phonon Engineering of Boron Nitride via Isotopic Enrichment” Journal of Materials Research, 36, 4394-4403 (2021).

G. Lu, M. Tadjer, J.D. Caldwell, T.G. Folland, “Spatial and spectral engineering of superstructure grating thermal emitters” APL, 118, 141102 (2021).

W.C. Huang, F.S. Sun, Z.B. Zheng, T.G. Folland, X.X. Chen, H.Z. Liao, N.S. Xu, J.D. Caldwell, H.J. Chen, S.Z. Deng, “van der Waals phonon polariton microstructures for configurable infrared electromagnetic field localizations” Adv. Sci., 8(13), 2004872 (2021).

G. Lu, C.R. Gubbin, J.R. Nolen, T.G. Folland, M.J. Tadjer, S. De Liberato, J.D. Caldwell, “Engineering the Spectral and Spatial Dispersion of Thermal Emission through Polariton-Phonon Strong Coupling”, Nano Letters, 21, 1831-1838 (2021).

M. He, S.I. Halimi, T.G. Folland, S.S. Sunku, S. Liu, J.H. Edgar, D.N Basov, S.M. Weiss, J.D. Caldwell, “Guided Mid-IR and Near-IR Light within a Hybrid Hyperbolic-Material/Silicon Waveguide Heterostructure”, Advanced Materials, 33(11) 2004305 (2021).

A. Cleri, J. Tomko, K. Quiambao-Tomko, M.V. Imperatore, Y. Zhu, J.R. Nolen, J. Nordlander, J.D. Caldwell, Z. Mao, N.C. Giebink, K.P. Kelley, E. Runnerstrom, P. Hopkins, J.P. Maria, “Mid-wave to Near-IR Epsilon-Near-Zero Plasmon Modes in In-doped CdO”, Phys. Rev. Mat., 5 035202 (2021).

A. Livingood, J.R. Nolen, T.G. Folland, L. Potechin, S. Criswell, J.P. Maria, C. Shelton, E. Sachet, J.D. Caldwell, “Filterless Non-Dispersive Infrared Sensing using Cadmium Oxide Narrowband Infrared Emitting Metamaterials (NIREMs)”, ACS Photonics, 8, 472-480 (2021).

D. Yoo, F. de Leon-Perez, I.-H. Lee, D.A. Mohr, M. Pelton, J.D. Caldwell, L. Martin-Moreno, S.-H. Oh, “Ultrastrong plasmon-phonon coupling via epsilon-near-zero nanocavities”, Nature Photonics, 15, 125-130 (2021).

J.A. Tomko, E.L. Runnerstrom, Y.-S. Wang, J.R. Nolen, D.H. Olson, K.P. Kelley, A. Cleri, J. Nordlander, J.D. Caldwell, O.V. Prezhdo, J.P. Maria, P.E. Hopkins, “Long-lived modulation of plasmonic absorption by ballistic thermal injection”, Nature Nano, 16, 47-51 (2021).

2020

Fali, S. Gamage, M. Howard, T.G. Folland, T. Tiwald, K. Bolotin, J.D. Caldwell, Y. Abate, “Nanoscale Spectroscopy of Dielectric Properties of Mica”, ACS Photonics, in press (2020).

D. Yoo, F. de Leon-Perez, I.-H. Lee, D.A. Mohr, M. Pelton, J.D. Caldwell, L. Martin-Moreno, S.-H. Oh, “Ultrastrong plasmon-phonon coupling via epsilon-near-zero nanocavities”, Nature Photonics, https://doi.org/10.1038/s41566-020-00731-5 (2020).

J. A. Tomko, E.L. Runnerstrom, Y.-S. Wang, J.R. Nolen, D.H. Olson, K.P. Kelley, A. Cleri, J. Nordlander, J.D. Caldwell, O.V. Prezhdo, J.P. Maria, P.E. Hopkins, “Long-lived modulation of plasmonic absorption by ballistic thermal injection”, Nature Nano, https://doi.org/10.1038/s41565-020-00794-z (2020).

S.A. Dereshgi, T.G. Folland, A. Murthy, X. Song, I. Tanriover, V.P. Dravid, J.D. Caldwell, K. Aydin, “Lithography-free, planar IR polarization filters and converters via biaxial phonons in a-MoO3 flakes integrated into Fabry-Perot cavities”, Nat. Comm. 11(1) 1-9 (2020).

I.H. Lee, M. He, X. Zhang, Y. Luo, S. Liu, J.H. Edgar, K. Wang, Ph. Avouris, T. Low, J.D. Caldwell, S.H. Oh, “Image Polaritons in Boron Nitride for Extreme Polariton Confinement with Low Losses”, Nature Comm, 11, 3649 (2020).

P. Rufangura, T.G. Folland, A. Agrawal, J. Caldwell, F. Iacopi, “Towards Low-Loss on-chip nanophotonics with graphene and silicon carbide: a review” J. Phys Mater., 3, 032005 (2020).

G. Ramer, M. Tuteja, J.R. Matson, M. Davanco, T.G. Folland, A. Kretinin, T. Taniguchi, K. Watanabe, K.S. Novoselov, J.D. Caldwell, A. Centrone, “High-Q dark hyperbolic phonon-polaritons in hexagonal boron nitride nanostructures”, Nanophotonics, 9(6), 1457 (2020).

G. Lu, J.R. Nolen, T.G. Folland, M. Tadjer, D.G. Walker, J.D. Caldwell, “Narrowband Polaritonic Thermal Emitters Driven by Waste-Heat” ACS Omega 5(19), 10900-10908, DOI: 10.1021/acsomega.0c00600 (2020). – Supplemental Cover May 2020 Edition ACS Omega

Alvarez-Perez, T.G. Folland, I. Errea, J. Taboada-Gutierrez, J. Duan, J. Martin-Sanchez, A.I.F. Tresguerres-Mata, J.R. Matson, A. Bylinkin, M. He, W. Ma, Q. Bao, J.D. Caldwell, A.Y. Nikitin, P. Alonso-Gonzalez, “Infrared Permittivity of the biaxial van der Waals semiconductor α-MoO3 from near- and far-field correlative studies”, Advanced Materials, 32, 1908176 doi.org/10.1002/adma.201908176 (2020). – Back Cover July 2020 Edition Advanced Material

J.R. Nolen, E.L. Runnerstrom, K.P. Kelley, T.S. Luk, T.G. Folland, J.P. Maria, J.D. Caldwell, “Ultraviolet to Far-Infrared Optical Properties of n-doped Cadmium Oxide Thin Films”, Physical Review Materials, 4, 025202 (2020).

T.G. Folland, G. Lu, A. Bruncz, J.R. Nolen, M. Tadjer, J.D. Caldwell, “Vibrational Coupling to Epsilon-Near-Zero Waveguide Modes” ACS Photonics, 7(3) 614-621 (2020).

A. Dunkelberger, D. Ratchford, A.B. Grafton, V.M. Breslin, E.S. Ryland, D.S. Katzer, K.P. Fears, R. J. Weiblen, I. Vurgaftman, A.J. Giles, C.T. Ellis, J.G. Tischler, J.D. Caldwell, J.C. Owrutsky, “Ultrafast Active Tuning of the Berreman Mode”, ACS Photonics., 7(1), 279-287 (2020).

B. Hauer, C.E. Marvinney, M. Lewin, N. Mahadik, J. Hite, N.D. Bassim, A.J. Giles, R.E. Stahlbush, J.D. Caldwell, T. Taubner, “Exploiting phonon-resonant near-field interactions for the nanoscale investigation of extended defects”, Adv. Func. Materials, 30, 1907357 (2020).

A. Howes, J.R. Nolen, J.D. Caldwell and J. Valentine: Near-Unity and Narrowband Thermal Emissivity in Balanced Dielectric Metasurfaces. Advanced Optical Materials 8, 1901470 (2020).

2019

N. Kiessling, Y. Tong, A.J. Giles, S. Gewinner, W. Schollkopf, J.D. Caldwell, M. Wolf, A. Paarmann, “Surface Phonon Polariton Resonance Imaging Using Long-Wave Infrared-Visible Sum-Frequency Generation Microscopy”, ACS Photonics, 6(11), 3017-3023 (2019).

T.E. Beechem, C.B. Saltonstall, T. Gilbert, J. Matson, F. Ugwu, R. Kasica, F.J. Bezares, J. Valentine and J.D. Caldwell: Influence of spatial dispersion on spectral tuning of phonon-polaritons. Physical Review B 100, 205419 (2019).

A. Fali, S.T. White, T.G. Folland, M. He, N.A. Aghamiri, S. Liu, J.H. Edgar, J.D. Caldwell, R.F. Haglund and Y. Abate: Refractive Index-Based Control of Hyperbolic Phonon-Polariton Propagation. Nano Letters 19, 7725 (2019).

N.C. Passler, I. Razdolski, D.S. Katzer, D.F. Storm, J.D. Caldwell, M. Wolf and A. Paarmann: Second Harmonic Generation from Phononic Epsilon-Near-Zero Berreman Modes in Ultrathin Polar Crystal Films. ACS Photonics 6, 1365 (2019).

Z. Fan, Z. Dutta-Gupta, R. Gladstone, S. Trendafilov, M. Bosch, M. Jung, G.R. Swathi Iyer, A.J. Giles, M. Shcherbakov, B. Feigelson, J.D. Caldwell, M. Allen, J. Allen, G. Shvets, “Electrically defined topological interface states of graphene surface plasmons based on a gate-tunable quantum Bragg grating”, Nanophotonics, 8(8) 1417-1431 (2019).

N.C. Passler, I. Razdolski, D.S. Katzer, D.F. Storm, J.D. Caldwell, M. Wolf, A. Paarmann, “Strongly Enhanced Second Harmonic Generation from ENZ Berreman Modes in an Ultrathin AlN Film”, ACS Photonics. 6(6), 1365-1371 (2018).

I. Chatzakis, R.B. Davidson, A.D. Dunkelberger, S. Liu, J. Freitas, J. Culbertson, J.H. Edgar, D.C. Ratchford, C.T. Ellis, A.B. Grafton, A.J. Giles, J.G. Tischler, J.D. Caldwell, J.C. Owrutsky, “Rapid Bimolecular and Defect-Assisted Carrier Recombination in Hexagonal Boron Nitride” J. Phys. Chem. C, 123(23), 14689-14695 (2019).

D.C. Ratchford, C. Winta, I. Chatzakis, C.T. Ellis, N.C. Passler, J. Winterstein, P. Dev, I. Razdolski, J. Matson, J.R. Nolen, J.G. Tischler, I. Vurgaftman, M. Katz, N. Nepal, M. Hardy, J. Hachtel, J.-C. Idrobo, T. Reinecke, A.J. Giles, D.S. Katzer, N.D. Bassim, R. Stroud, M. Wolf, A. Paarmann, J.D. Caldwell, “Controlling the Infrared Dielectric Function through Atomic-Scale Heterostructures”, ACS Nano, 13(6), 6730-6741.

T.G. Folland, L. Nordin, D. Wasserman, J.D. Caldwell, “Probing Polaritons in the Mid- to Far-Infrared”, Journal of Applied Physics, 125, 191102 (2019).

J.D. Caldwell, I. Aharonovich, G. Cassabois, J.H. Edgar, B. Gil, D.N. Basov, “Photonics with Hexagonal Boron Nitride”, Nature Materials Reviews, 4, 552-567 (2019). – Cover Aug. 2019 Edition Nature Materials Reviews

C.R. Gubbin, R. Berte, M.A. Meeker, A.J. Giles, C.T. Ellis, J.G. Tischler, V.D. Wheeler, J.D. Caldwell, S. De Liberato, “Hybrid Longitudinal-Transverse Phonon Polaritons” Nature Comm., 10, 1682 (2019). 

2018

E.L. Runnerstrom, K.P. Kelley, T.G. Folland, J.R. Nolen, N. Engheta, J.D. Caldwell, J.-P. Maria, “Polaritonic Hybrid-Epsilon-Near-Zero Modes: Beating the Plasmonic Confinement vs Propagation-Length Trade-off with Doped Cadmium Oxide Bilayers”, Nano Lett., 19(2), 948-957 (2018).

N. Sharac, A.J. Giles, K. Perkins, J. Tischler, F. Bezares, S.M. Prokes, T.G. Folland, O.J. Glembocki, J.D. Caldwell, “Implementation of plasmonic band structure to understand polariton hybridization within metamaterials”, Optics Express 26(22), 29363-29374 (2018).

T.G. Folland and J.D. Caldwell, “Controlling Infrared Light Polarization with Nanoscale Precision”, Nature, 562, 499-501 (2018).

T.G. Folland, A. Fali, S.T. White, J. Matson, S. Liu, J. Edgar, R.F. Haglund, Y. Abate, J.D. Caldwell, “Reconfigurable Mid-Infrared Hyperbolic Metasurfaces Using Phase Change Materials”, Nature Comm., 9, 4371 (2018).

T.G. Folland, T.W.W. Maβ, J.R. Matson, J.R. Nolen, S. Liu, K. Watanabe, T. Taniguchi, J.H. Edgar, T. Taubner, J.D. Caldwell, “Probing hyperbolic polaritons using infrared attenuated total reflectance micro-spectroscopy”, MRS Comm., 8(4), 1418-1425 (2018).

X.Xiao, S. Maier, X. Li, J.D. Caldwell, V. Giannini, “Theoretical Analysis of Graphene Plasmon Cavities”, Appl. Mat. Today 12, 283 (2018).

N.C. Passler, C.R. Gubbin, T.G. Folland, I. Razdolski, D.S. Katzer, M. Wolf, S. De Liberato, J.D. Caldwell, A. Paarmann, “Strong coupling of epsilon-near-zero phonon polaritons in polar dielectric heterostructures”, Nano Lett. 18(7), 4285-4292 (2018).

R. Berte, C.R. Gubbin, V.D. Wheeler, A.J. Giles, V. Giannini, S.A. Maier, S. De Liberato, J.D. Caldwell, “Sub-nanometer thin oxide film sensing with localized surface phonon polaritons”, ACS Phot. 5(7), 2807-2815 (2018).

I. Chatzakis, A. Krishna, A.J. Giles, J. Culbertson, N. Sharac, M.G. Spencer, J.D. Caldwell, “Strong Confinement of Optical Fields using Localized Surface Phonon Polaritons in Cubic Boron Nitride”, Optics Letters, 43(9), 2177-2180 (2018).

L.V. Brown, M. Davanco, Z. Sun, A. Kretinin, Y. Chen, J.R. Matson, I. Vurgaftman, N. Sharac, A.J. Giles, M.M. Fogler, T. Taniguchi, K. Watanabe, K. Novoselov, S.A. Maier, A. Centrone, J.D. Caldwell, “Nanoscale Mapping and Spectroscopy of Non-Radiative Hyperbolic Modes in Hexagonal Boron Nitride Nanostructures”, Nano Letters 18(3), 1628-1636 (2018).

D. Yoo, D.A. Mohr, F. Vidal-Codina, J.-H.A. Michel, L. Martin-Moreno, M. Jo, S. Kim, J. Matson, J.D. Caldwell, J. Peraire, H. Altug, S.-H. Oh, “Coaxial Zero-Mode Resonators with Sub-10-nm Gaps for Ultrastrong Absorption Spectroscopy”, Nano Letters, 18(3), 1930-1936 (2018).

D. Dunkelberger, C.T. Ellis, D.C. Ratchford, A.J. Giles, M. Kim, C.S. Kim, B.T. Spann, I. Vurgaftman, J.G. Tischler, J.P. Long, O.J. Glembocki, J.C. Owrutsky, J.D. Caldwell, “Active Tuning of Surface-Phonon Resonances via Carrier Photoinjection”, Nature Phot. 12, 50-56 (2018). – Cover Jan. 2018 Edition Nature Photonics

A.J. Giles, S. Dai, I. Vurgaftman, T. Hoffman, S. Liu, L. Lindsay, C. Ellis, N. Assefa, I. Chatzakis, T.L. Reinecke, J. Tischler, M.M. Fogler, J.H. Edgar, D.N. Basov, J.D. Caldwell, “Ultra-Low-Loss Polaritons in Isotopically Pure boron nitride”, Nature Mat. 17, 134-139 (2018).

2017

K. Li, J.M. Fitzgerald, X. Xiao, J.D. Caldwell, C. Zhang, S.A. Maier, X. Li, V. Giannini, “Graphene Plasmon Cavities Made with Silicon Carbide”, ACS Omega 2(7), 3640-3646 (2017).

T. Wang, P. Li, D.N. Chigrin, A.J. Giles, F.J. Bezares, O.J. Glembocki, J.D. Caldwell, T. Taubner, “Phononic Bowtie Nanoantennas: Controlling Infrared Thermal Radiation at the Nanoscale”, ACS Photonics 4(7), 1753-1760 (2017).

T. Low, A. Chaves, J.D. Caldwell, A. Kumar, N.X. Fang, Ph. Avouris, T. F. Heinz, F. Guinea, L. Martin-Moreno, F. Koppens, “Polaritons in layered 2D Materials”, Nature Materials 16, 182-194 (2017). – ISI Hot Paper (Top 0.1%), ISI Highly Cited (Top 1%)

2016

I. Razdolski, Y. Chen, A.J. Giles, S. Gewinner, W. Schollkopf, M. Hong, M. Wolf, V. Giannini, J.D. Caldwell, S.A. Maier, A. Paarmann, “Resonant enhancement of second harmonic generation in the mid-infrared using localized surface phonon polaritons in sub-diffractional nanostructures”, Nano Letters 16(11), 6954-6959 (2016).

A.J. Giles, R. Kasica, J.D. Caldwell, “Nanostructured Surface Phonon Polariton Systems for Mid-Infrared Nanophotonics” JEOL News, 51(1), 32-34 (2016).

C.T. Ellis, J.G. Tischler, O.J. Glembocki, F.J. Bezares, A.J. Giles, R. Kasica, L. Shirey, J.C. Owrutsky, D.N. Chigrin, J.D. Caldwell, “Aspect-ratio driven evolution of high-order resonant modes and near-field distributions in localized surface phonon polariton nanostructures”, Sci. Reports 6, 32959 (2016).

Z.Y. Al Balushi, K. Wang, R.K. Ghosh, R.A. Vila, S.M. Eichfeld, J.D. Caldwell, X. Qin, Y.-C. Lin, P.A. DeSario, G. Stone, S. Subramanian, D.F. Paul, R.M. Wallace, S. Datta, J.M. Redwing, J.A. Robinson, “Two-Dimensional Gallium Nitride Realized Via Graphene Encapsulation”, Nature Materials 15, 1166-1171 (2016).

A.J. Giles, S. Dai, O.J. Glembocki, A.V. Kretinin, T. Tanaguchi, K. Watanabe, M. Fogler, K. Novoselov, D.N. Basov, J.D. Caldwell, “Imaging of Anomalous Internal Reflections of Hyperbolic Phonon-Polaritons in Hexagonal Boron Nitride”, Nano Letters 16(6), 3858-3865 (2016).

B.T. Spann, R. Compton, D. Ratchford, P.B. Klein, J.D. Caldwell, J.C. Owrutsky, “Photoinduced Tunability of the Reststrahlen Band in 4H-SiC”, Phys. Rev. B 93, 080525 (2016).

J. Kim, A. Dutta, V. Naik, A.V. Kildishev, A. Boltasseva, A.J. Giles, F.J. Bezares, O.J. Glembocki, J.D. Caldwell, A.M. Mahmoud, H. Caglayan, N. Engheta, “The Role of Epsilon-Near-Zero Substrates in the Optical Response of Plasmonic Antennas”, Optica 3(3), 339 (2016).

S. Tsoi, F.J. Bezares, A.J. Giles, J.P. Long, O.J. Glembocki, J.D. Caldwell, J. Owrutsky, “Experimental Demonstration of the Optical Lattice Resonance in Arrays of Si Nanoresonators”, Appl. Phys. Lett 108, 111101 (2016).

J.D. Caldwell, I. Vurgaftman, J.G. Tischler, O.J. Glembocki, J.C. Owrutsky, T.L. Reinecke, “Atomic-Scale Photonic Hybrids: Towards Designer and Multifunctional Nanophotonics”, Nature Nanotechnology 11, 9-14 (2016).‘Highly Cited’ – by Web of Knowledge

2015

D.G. Baranov, J.H. Edgar, T. Hoffman, N. Bassim, J.D. Caldwell, “Perfect interferenceless absorption at infrared frequencies by a van der Waals crystal”, Phys. Rev. B 92, 201405(R) (2015).

H. Guo, B. Simpkins, J.D. Caldwell, J. Guo, “Resonance Spectra of Diabolo Optical Antenna Arrays”, AIP Adv. 5, 107149 (2015).

J.D. Caldwell, I. Vurgaftman, J.G. Tischler, “Mid-Infrared Nanophotonics: Probing Hyperbolic Polaritons”, Nature Photonics, 9, 638-640 (2015).

J.D. Caldwell and K.S. Novoselov, “van der Waals Heterostructures: Mid-Infrared Nanophotonics”, Nature Materials 14, 364 (2015).

J.D. Caldwell, L. Lindsay, V. Giannini, I. Vurgaftman, T. Reinecke, S.A. Maier, O.J. Glembocki, “Low-loss, Infrared and Terahertz Nanophotonics using Surface Phonon Polaritons”, Nanophotonics, 4(1), 44-68 (2015). – ‘Highly Cited’ – by Web of Knowledge

P. Li, M. Lewin, A.V. Kretinin, J.D. Caldwell, K.S. Novoselov, T. Taniguchi, K. Watanabe, F. Gaussmann, T. Taubner, “Hyperbolic phonon-polaritons in boron nitride for near-field optical imaging and focusing”, Nature Comm., 6, 7507 (2015). – ‘Highly Cited’ – by Web of Knowledge

S.B. Qadri, E. Gorzkowski, B.B. Rath, J. Feng, S.N. Qadri, H. Kim, J.D. Caldwell, M.A. Imam, “Nanoparticles and Nanorods of Silicon Carbide from the Residues of Corn”, J. Appl. Phys. 117, 044306 (2015).

S.B. Qadri, B.B. Rath, E.P. Gorzkowski, J. Feng, S.N. Qadri, J.D. Caldwell, “Nanotubes, Nanobelts, Nanowires, and Nanorods of Silicon Carbide from Wheat Husks”, J. Appl. Phys. 118, 104904 (2015).

E.H. Lock, S.C. Hernandez, T.J. Anderson, S.W. Schmucker, M. Laskoski, S.P. Mulvaney, F.J. Bezares, J.D. Caldwell, P.E. Sheehan, J.T. Robinson, B.N. Feygelson, S.G. Walton, “Etch free graphene transfer to polymers”, Surface & Coatings Tech. 241, 118-122 (2014).

2014

J.D. Caldwell, A.V. Kretinin, Y. Chen, V. Giannini, M. M. Fogler, Y. Francescato, C.T. Ellis, J.G. Tischler, C.R. Woods, A.J. Giles, H. Minhui, K. Watanabe, T. Taniguchi, S.A. Maier, K.S. Novoselov, “Sub-diffractional volume-confined polaritons in the natural hyperbolic material boron nitride”, Nature Communications 5, 5221 (2014). – ‘Highly Cited’ – by Web of Knowledge

Y. Chen, Y. Francescato, J.D. Caldwell, V. Giannini, T. Mass, F.J. Bezares, T. Taubner, R. Kasica, M. Hong, S.A. Maier, “Spectral Tuning of Localized Surface Phonon Polariton Resonators for Low-Loss Mid-IR Applications”, ACS Photonics, 1, 718-724 (2014).

2013

S.C Hernandez, F.J. Bezares, J.T. Robinson, J.D. Caldwell, S.G. Walton, “Controlling the local chemical reactivity of graphene through spatial functionalization”, Carbon 60, 84-93 (2013).

E.P. Gorzkowski, S.B. Qadri, B.B. Rath, R. Goswami, J.D. Caldwell, S.K. Singh, “Nano-dimensional Structures of 3C-SiC Formation from Rice Husk”, J. Electron. Mats., 42(5), 799-804 (2013).

J. Fontana, J. Livenere, F.J. Bezares, J.D. Caldwell, R. Rendell, B.R. Ratna, “Large surface-enhanced Raman scattering from self-assembled gold nanosphere monolayers”, Appl. Phys. Lett.. 102, 201606 (2013).

J.D. Caldwell, A. Giles, D. Lepage, D. Carrier, K. Moumanis, B.A. Hull, R.E. Stahlbush, R. Myers-Ward, J.J. Dubowski, M. Verhaegen, “Experimental Evidence for Mobile Luminescence Center Mobility on Partial Dislocations in 4H-SiC using Hyperspectral Electroluminescence Imaging”, Appl. Phys. Lett. 102, 242109 (2013).

S.C. Hernandez, C.J.C. Bennett, C.E. Junkermeier, S.D. Tsoi, F.J. Bezares, R. Stine, J.T. Robinson, E.H. Lock, D.R. Boris, B.D. Pate, J.D. Caldwell, T.L. Reinecke, P.E. Sheehan, S.G. Walton, “Chemical Gradients on Graphene to Drive Droplet Motion”, ACS Nano, 7(6), 4746-4755 (2013).

J.D. Caldwell, O.J. Glembocki, N. Sharac, J.P. Long, J. Owrutsky, I. Vurgaftman, J.G. Tischler, F.J. Bezares, V. Wheeler, N.D. Bassim, L. Shirey, Y. Francescato, V. Giannini, S.A. Maier, R. Kasica, “Low-loss, Extreme Sub-Diffraction Photon Confinement via Silicon Carbide Surface Phonon Polariton Nanopillar Resonators”, Nano Lett. 13(8), 3690-3697 (2013).

F.J. Bezares, J.P. Long, O.J. Glembocki, J. Guo, R.W. Rendell, R. Kasica, L. Shirey, J.C. Owrutsky, J.D. Caldwell, “Mie Resonance-Enhanced Light Absorption in Periodic Silicon Nanopillar Arrays” Optics Express 21(23), 27587-27601 (2013).

N. Noginova, V. Rono, F.J. Bezares, J.D. Caldwell, “Plasmon Drag Effect in Metal Nanostructures”, New Journal of Physics 15, 113061 (2013).

S.B. Qadri, E.P. Gorzkowski, M.A. Imam, A. Fliflet, R. Goswami, H. Kim, J.D. Caldwell, F. Klemm, B.B. Rath, “Production of nanoscale particles and nanorods of SiC from sorghum leaves”, Industrial Crops and Products, 51, 158-162 (2013).

2012

S.M. Prokes, O.J. Glembocki, Erin Cleveland, J.D. Caldwell, E. Foos, J. Niinisto, M. Ritala, “Spoof-like Plasmonic Behavior of ALD Grown Ag Thin Films”, Appl. Phys. Lett., 100, 053106 (2012).

J.D. Caldwell, R.E. Stahlbush and N.A. Mahadik, “Mitigating Defects within Silicon Carbide Epitaxy”, J. Electrochem. Soc., 159(3) R46-R51 (2012).

M.J. Tadjer, T.J. Anderson, K.D. Hobart, T.I. Feygelson, J.D. Caldwell, C.R. Eddy Jr., F.J. Kub, J.E. Butler, B. Pate and J. Melngailis, “Reduced Self-heating in AlGaN/GaN HEMTs using Nanocrystalline Diamond Heat Spreading Films”, IEEE Elect. Device Lett., 33(1), 23-25 (2012).

V. Veliadis, H. Hearne, W. Chang, J. Caldwell, E.J. Stewart, M. Snook, R.S. Howell, D. Urciuoli, A. Lelis and C. Scozzie, “Recovery of Bipolar-current Induced Degradations in High-Voltage Implanted-Gate Junction Field Effect Transistors”, Mat. Sci. Forum, 717-720, 1013-1016 (2012).

J.D. Caldwell, L. Lombez, A. Delamarre, J.-F. Guillemoles, B. Bourgoin, B.A. Hull, M. Verhaegen, “Luminescence Imaging of Extended Defects in SiC via Hyperspectral Imaging”, Mat. Sci. Forum, 717-720, 403-406 (2012).

N.A. Mahadik, R.E. Stahlbush, J.D. Caldwell and K.D. Hobart, “Ultraviolet Photoluminescence Imaging of Stacking Fault Contraction in 4H-SiC Epitaxial Layers”, Mat. Sci. Forum, 717-720, 391-394 (2012).

T.J. Anderson, K.D. Hobart, L.O. Nyakiti, V.D. Wheeler, R.L. Myers-Ward, J.D. Caldwell, F.J. Bezares, D.K. Gaskill, C.R. Eddy Jr., F.J. Kub, G.G. Jernigan, M.J. Tadjer and E.A. Imhoff, “Electrical Characterization of the Graphene-SiC Heterojunction”, Mat. Sci. Forum, 717-720, 641-644 (2012).

N.A. Mahadik, R.E. Stahlbush, J.D. Caldwell, M. O’Loughlin, A. Burk, “Correlation of Extended Defects on Carrier Lifetime in Thick SiC Epilayers”, Mat. Sci. Forum, 717-720, 297-300 (2012).

F.J. Bezares, J.D. Caldwell, O. Glembocki, R.W. Rendell, M. Feygelson, M. Ukaegbu, R. Kasica, L. Shirey, N.D. Bassim, C. Hosten, “The Role of Propagating and Localized Surface Plasmons for SERS Enhancement in Periodic Nanostructures”, Plasmonics, 7 (1), 143-150 (2012).

L.O. Nyakiti, V.D. Wheeler, R.L. Myers-Ward, A.L. Friedman, B.R. Matis, G.G. Jernigan, P.M. Campbell, J.C. Culbertson, J.W. Baldwin, C.R. Eddy Jr., F.J. Bezares, H. Chun, J.D. Caldwell, E.A. Imhoff and D.K. Gaskill, “Epitaxial Graphene Growth on Homoepitaxial 4H-SiC (0001)/4H-SiC (0001) Step-Free Mesas”, Nano Letters, 12(4), 1749-1756 (2012).

S.B. Qadri, M.A. Imam, A.W. Fliflet, B.B. Rath, R. Goswami, J.D. Caldwell, “Microwave Processing of Rice Husks and the Formation of 3C-SiC”, J. Appl. Phys., 111, 073523 (2012).

H. Qi, E.R. Glaser, J.D. Caldwell, S.M. Prokes, “Growth of Vertically-Aligned ZnO Nanowire Arrays using Binary Alloy Catalysts”, J. Nanomaterials, 2012, 260687 (2012).

G.G. Jernigan, T.M. Anderson, J.T. Robinson, J.D. Caldwell, M.G. Ancona, V.E. Wheeler, L.O. Nyakiti, J.C. Culbertson, A.E. Davidson, A.L. Friedman, P.M. Campbell and D. Kurt Gaskill, “Novel Bilayer Graphene: CVD Graphene Bonded to Epitaxial Graphene”, JVST B 30 (3), 03D110 (2012).

S.M. Adams, S. Campione, J.D. Caldwell, F.J. Bezares, J.C. Culbertson, F. Capolino, R. Ragan, “Non-lithographic, SERS Substrates: Tailoring Surface Chemistry for Au Nanoparticle Cluster Assembly”, Small, 8(14), 2239 (2012).

V. Veliadis, H. Hearne, E.J. Stewart, M Snook, W. Chang, J.D. Caldwell, H.C. Ha, N. El-Hinnawy, P. Borodulin, R.S. Howell, D. Urciuoli, A. Lelis, C. Scozzie, “Degradation and Full Recovery in High-Voltage Implanted-Gate SiC JFETs Subjected to Bipolar Current Stress”, IEEE Elec. Dev. Lett. 33(7), 952-954 (2012).

B.S. Simpkins, J.P. Long, O.J. Glembocki, J. Guo, J.D. Caldwell, J.C. Owrutsky, “Pitch-dependent resonances and near-field coupling in infrared nanoantenna arrays”, Optics Express 20(25), 27725-27739 (2012).

T.J. Anderson, K.D. Hobart, L.O. Nyakiti, V.D. Wheeler, R.L. Myers-Ward, J.D. Caldwell, F.J. Bezares, G.G. Jernigan, M.J. Tadjer, E.A. Imhoff, A.D. Koehler, D.K. Gaskill, C.R. Eddy, F.J. Kub, “Investigation of the Epitaxial Graphene/p-SiC Heterojunction”, IEEE Electron. Dev. Lett. 33(11) 1610-1612 (2012).

2011

N.A. Mahadik, R.E. Stahlbush, S.B. Qadri, O.J. Glembocki, D.A. Alexson, J.D. Caldwell, R.L. Myers-Ward, C.R. Eddy, D.K. Gaskill, “Structure and Morphology of Inclusions in 4 degrees Offcut 4H-SiC Epitaxial Layers”, J. Electron. Mats, 40(4), 413-18 (2011).

I. Chowdhury, MVS Chandrasekhar, P.B. Klein, J.D. Caldwell and T.S. Sudarshan, “High growth rate 4H-SiC epitaxial growth using dichlorosilane in a hot-wall CVD reactor”, J. Cryst. Growth, 316(1), 60-66 (2011).

J.P. Goss, P.R. Briddon, V.K. Nagareddy, N.G. Wright, A.B. Horsfall, J.D. Caldwell, D.K. Gaskill and G.G. Jernigan “Influence of intercalated silicon on the transport properties of graphene”, Mat. Sci Forum, 679-680, 793 (2011).

J.D. Caldwell, O.J. Glembocki, F.J. Bezares, N.D. Bassim, R.W. Rendell, M. Feygelson, M. Ukaegbu, R. Kasica, L. Shirey and C. Hosten, “Plasmonic Nanopillar Arrays for Large-Area, High Enhancement Surface-Enhanced Raman Scattering Sensors”, ACS Nano, 5, 4046 (2011).

R.L. Myers-Ward, L.O. Nyakiti, J.K. Hite, O.J. Glembocki, J.D. Caldwell, F.J. Bezares, E.F. Imhoff, K.D. Hobart, J.C. Culbertson, Y. Picard, V.D. Wheeler, C.R. Eddy Jr., D.K. Gaskill, “Effects of Nitrogen Doping on Basal Plane Dislocations in 8 degree off-cut 4H-SiC epilayers”, Mat. Sci. Forum, 679-680, 63-66 (2011).

R.L. Myers-Ward, L.O. Nyakiti, J.K. Hite, O.J. Glembocki, F.J. Bezares, J.D. Caldwell, G.A. Imhoff, K.D. Hobart, J.C. Culbertson, Y.N. Picard, V.D. Wheeler, C.R. Eddy, D.K. Gaskill, “Growth of 4H- and 3C-SiC Epitaxial Layers on 4H-SiC Step-Free Mesas”, Mat. Sci. Forum 679-680, 119-122 (2011).

M. Jiang, Y. Li, R. Dhakal, P. Thapaliya, M. Mastro, J.D. Caldwell, F. Kub, X-Z. Yan, “Cu2ZnSnS4 Solar Cells Prepared with Annealed Spin-Coated Sol-Gel Precursor”, J. Photon. Energy, 1, 019501 (2011).

M. Currie, J.D. Caldwell, F. J. Bezares, J. Robinson, T. Anderson, H. Chun and M. Tadjer, “Quantifying Pulsed Laser Induced Damage to Graphene”, Appl. Phys. Lett., 99, 211909 (2011).

J.D. Caldwell, O.J. Glembocki, F.J. Bezares, M.I. Kariniemi, J.T. Niinisto, T.T. Hatanpaa, R.W. Rendell, M. Ukaegbu, M.K. Ritala, S.M. Prokes, C.M. Hosten, M.A. Leskela and R.Kasica “Large-Area Plasmonic Hot-Spot Arrays: Sub-2 nm Interparticle Separations with Plasma-Enhanced Atomic Layer Deposition of Ag on Periodic Arrays of Si Nanopillars”, Optics Exp. 19(27), 26056 (2011). Chosen for Spotlight on Optics

2010

J.D. Caldwell, R.E. Stahlbush, M.G. Ancona, A.J. Giles, O.J. Glembocki, K.D. Hobart, B.A. Hull and K.X. Liu, “On the Luminescence and Driving Force of Stacking Faults in 4H-SiC”, Mat. Sci. Forum, 645-648, 277 (2010).

A.J. Giles, J.D. Caldwell, R.E. Stahlbush, B.A. Hull, N.A. Mahadik, O.J. Glembocki, K.D. Hobart and K.X. Liu, “Electroluminescence Spectral Imaging of Extended Defects in 4H-SiC”, J. Electron. Mats, 39(6), 777-780 (2010).

M.E. Twigg, Y.N . Picard, J.D. Caldwell, C.R. Eddy, M.A. Mastro, R.T. Holm, P.G. Neudeck, A.J. Trunek, J.A. Powell, “Diffraction Contrast of Threading Dislocations in GaN and 4H-SiC Epitaxial Layers using Electron Channeling Contrast Imaging”, J. Electron. Mat. 39(6), 743-746 (2010).

M.J. Tadjer, T.J. Anderson, K.D. Hobart, M.A. Mastro, J.K. Hite, J.D. Caldwell, Y.N. Picard, F.J. Kub, C.R. Eddy, “Electrical and Optical Characterization of AlGaN/GaN HEMTs with in situ and ex situ Deposited SiNx Layers”, J. Electron Mat., 39(11), 2452 (2010).

J.D. Caldwell, R.E. Stahlbush, O.J. Glembocki, M. Ancona and K.D. Hobart, “On the driving force for recombination-induced Stacking Fault Motion in 4H-SiC”, J. Appl. Phys., 108, 044503 (2010).

J.D. Caldwell, T.J. Anderson, J.C. Culbertson, G.G. Jernigan, K.D. Hobart, F.J. Kub, M.J. Tadjer, J.L. Tedesco, J.K. Hite, R.L. Myers-Ward, C.R. Eddy, P.M. Campbell and D.K. Gaskill, “Technique for the Dry Transfer of Epitaxial Graphene onto Arbitrary Substrates”, ACS Nano, 4(2), 1108-1114 (2010).

J.D. Caldwell, T.J. Anderson, K.D. Hobart, G.G. Jernigan, J.C. Culbertson, F. Kub, J.L. Tedesco, J.K. Hite, R. Myers-Ward, C.R. Eddy, P.M. Campbell and D.K. Gaskill, “Techniques for the Dry Transfer of Epitaxial Graphene onto Arbitrary Substrates”, Mat. Sci. Forum, 645-648, 633 (2010).

A. Agarwal, Q. Zhang, R. Callanan, C. Capell, A. Burk, M. O’Loughlin, J. Palmour, V. Temple, R. Stahlbush, J. Caldwell, H. O’Brien and C. Scozzie, “9 kV 1 cm2 SiC Gate Turn-Off Thyristors”, Mat. Sci, Forum, 645-648, 1017 (2010).

R.L. Myers-Ward, B.L. VanMil, K.-K. Lew, P.B. Klein, E.R. Glaser, J.D. Caldwell, M.A. Mastro, L. Wang, P. Zhao, C.R. Eddy Jr. and D.K. Gaskill, “Investigation of Deep Levels in Nitrogen Doped 4H-SiC Epitaxial Layers Grown on 4 and 8o Off-Axis Substrates”, J. Appl. Phys. 108, 054906 (2010).

M.E. Twigg, Y.N. Picard, J.D. Caldwell, C.R. Eddy Jr., M.A. Mastro, R.T. Holm, P.G. Neudeck, A.J. Trunek and J.A. Powell, “Diffraction contrast of threading dislocations in GaN and 4H-SiC epitaxial layers using electron channeling contrast imaging”, J. Electron. Mats. 39(6), 743-746 (2010).

M.J. Tadjer, T.I. Feygelson, K.D. Hobart, J.D. Caldwell, T.J. Anderson, J.E. Butler, C.R. Eddy, D.K. Gaskill, K.K. Lew, B.L. VanMil, R.L. Myers-Ward, F.J. Kub, G. Sollenberger and L. Brillson “On the high curvature coefficient rectifying behavior of nanocrystalline diamond heterojunctions to 4H-SiC”, Appl. Phys. Lett., 97, 193510 (2010).

2009

Y. Chen, X.-R. Huang, N. Zhang, M. Dudley, J.D. Caldwell, K.X. Liu and R.E. Stahlbush, “Synchrotron X-Ray Topographic Studies of Recombination Activated Shockley Partial Dislocations in 4H-Silicon Carbide Epitaxial Layers”, Mat. Sci. Forum, 600-603, 357 (2009).

K.X. Liu, X. Zhang, R.E. Stahlbush, M. Skowronski and J.D. Caldwell, “Differences in Emission Spectra of Dislocations in 4H-SiC Epitaxial Layers”, Mat. Sci. Forum, 600-603, 345 (2009).

L. Mazeina, Y.N. Picard, J.D. Caldwell, E.R. Glaser and S.M. Prokes, “Synthesis and properties of vertically-aligned SnO2 nanowires”, J. Cryst. Growth, 311, 3158 (2009).

Y.N. Picard, M.E. Twigg, J.D. Caldwell, C.R. Eddy Jr., M.A. Mastro, R.L. Henry, R.T. Holm, P.G. Neudeck, A.J. Trunek and J.A. Powell, “Resolving the Burgers vector for individual GaN dislocations by electron channeling contrast imaging”, Scripta Materialia, 61, 773 (2009).

P.B. Klein, J.D. Caldwell, A. Shrivastava and T.S. Sudarshan, “Variations in the Measured Carrier Lifetimes of n- 4H-SiC Epilayers”, Mat. Sci. Forum, 600-603, 489 (2009).

R.L. Myers-Ward, K.K. Lew, B.L. VanMil, R.E. Stahlbush, K. Liu, J.D. Caldwell, P.B. Klein, P. Wu, M. Fatemi, C.R. Eddy Jr. and D.K. Gaskill, “Impact of 4H-SiC substrate defectivity on epilayer injected carrier lifetimes”, Mat. Sci. Forum, 600-603, 481 (2009).

J.D. Caldwell, R.E. Stahlbush, O.J. Glembocki, K.D. Hobart, K.X. Liu and M.J. Tadjer, “Temperature Dependence of Shockley Stacking Fault Expansion and Contraction in 4H-SiC p-i-n Diodes” Mat. Sci. Forum, 600-603, 273 (2009).

E.R. Glaser, N.Y. Garces, J.D. Caldwell, W.E. Carlos, M.E. Zvanut, B. Magnusson, D.M. Hansen, G. Chung and M.J. Loboda, “Infrared PL Signatures on n-type Bulk SiC Substrates with Nitrogen Impurity Concentration Between 1016 and 1017 cm-3”, Mat. Sci. Forum, 600-603, 449 (2009).

O.J. Glembocki, J.D. Caldwell, J.A. Mittereder, J.P. Calame and S.C. Binari, “Measurement of local temperatures using u-Raman of SiC and AlGaN-GaN/SiC power and RF devices”, Mat. Sci. Forum, 600-603, 1111 (2009).

V. Veliadis, H. Hearne, J. Caldwell, M. Snook, T. McNutt, P. Potyraj and C. Scozzie, “Effect of bipolar gate-to-drain current on the electrical properties of vertical junction field effect transistors”, Mat. Sci. Forum, 615-617, 719 (2009).

A. Shrivastava, P.B. Klein, E.R. Glaser, J.D. Caldwell, A.V. Bolotnikov and T.S. Sudarshan, “Long carrier lifetime in 4H-SiC epilayers using Chlorinated precursors”, Mat. Sci. Forum, 615-617, 291 (2009).

J.D. Caldwell, R.E. Stahlbush, E.A. Imhoff, K.D. Hobart, M.J. Tadjer, Q. Zhang, M. Das and A. Agarwal, “Recombination-induced stacking fault degradation in 4H-SiC Merged-PiN-Schottky diodes”, J. Appl. Phys., 106, 044504 (2009).

2008

M.A. Mastro, J.D. Caldwell, R.T. Holm, R.L. Henry and C. Eddy Jr., “Design of Gallium Nitride Resonant Cavity Light Emitting Diodes on Si Substrates”, Adv. Mater., 20, 115 (2008).

J.D. Caldwell, O.J. Glembocki, R.E. Stahlbush and K.D. Hobart, “Influence of temperature on Shockley stacking fault expansion and contraction in SiC PiN diodes”, J. Electron. Mat. 37, 699 (2008).

Y.N. Picard, M.E. Twigg, J.D. Caldwell, C.R. Eddy Jr., P.G. Neudeck, A..J. Trunek and J.A. Powell, “Epitaxial SiC growth morphology and extended defects investigated by electron backscatter diffraction and electron channeling contrast imaging”, J. Electron. Mat. 37, 691 (2008).

Y. Chen, N. Zhang, M. Dudley, J.D. Caldwell, K.X. Liu, R.E. Stahlbush, X.R. Huang, A.T. Macrander and D.R. Black, “Investigation of electron-hole recombination-activated partial dislocations and their behavior in 4H-SiC epitaxial layers” J. Electron. Mat. 37, 706 (2008).

M.A. Mastro, J. Caldwell, M. Twigg, B. Simpkins, O. Glembocki, R.T. Holm, C.R. Eddy Jr., F. Kub, H-Y. Kim, J. Ahn and J. Kim “Group III-Nitride Radial Heterojunction Nanowire Light Emitters” J. Ceramic Proc. Res. 9(6), 584 (2008).

M.C. Fletcher, A. Vivoni, M.M. Moore, J. Lui, J. Caldwell, S.M. Prokes, O. Glembocki, C.M. Hosten, “NIR-FT-SERS of 4”-trimethylsilylethlysulfanyl-4-4’-di-(phenyleneethynylene)benzenethiol on Au nanospheres”, Surf. Sci., 602 (9), 1614 (2008).

A. Shrivastava, P. Muzykov, J.D. Caldwell and T.S. Sudarshan, “Study of Triangular Defects and Inverted Pyramids in 4H-SiC 4deg off cut (0001) Si Face Epilayers”, J. Cryst. Growth, 310, 4443 (2008).

M. A. Mastro, C.S. Kim, M. Kim, J. Caldwell, R.T. Holm, I. Vurgaftman, J. Kim, C.R. Eddy Jr. J.R. Meyer, “Zinc Sulphide Overlayer Two-Dimensional Photonic Crystal for Enhanced Extraction of Light from a Micro Cavity Light Emitting Diode”, Jap. J. Appl. Phys. 47, 7827 (2008).

2007

J.D. Caldwell, K.X. Liu, M. Tadjer, O.J. Glembocki, R.E. Stahlbush, K.D. Hobart and F. Kub, “Thermal Annealing and Propagation of Shockley Stacking Faults in 4H-SiC PiN Diodes”, J. Electron. Mat., 36(4), 318 (2007).

K.X. Liu, R.E. Stahlbush, J.D. Caldwell, K.D. Hobart, F.J. Kub and E.R. Glaser, “Photo- and electroluminescence imaging of carrot defects in 4H-SiC epitaxy”, J. Electron. Mat., 36(4), 297 (2007).

M.A. Mastro, J.A. Freitas, R.T. Holm, C.R. Eddy Jr., J. Caldwell, K. Liu, O. Glembocki, R.L. Henry and J. Kim, “Rare-earth Chloride Seeded growth of GaN nano- and micro-crystals”, Appl. Surf. Sci., 253, 6157 (2007).

A. Rosenberg, K. Bussmann, Mijin Kim, Michael W. Carter, M.A. Mastro, R.T. Holm, R.L. Henry, J.D. Caldwell and C.R. Eddy, Jr., “Fabrication of GaN photonic crystal membranes and resonant nanocavities on Si(111)”, J. Vac. Sci. Technol. B, 25, 721 (2007).

J.D. Caldwell, R.E. Stahlbush, K.D. Hobart, O.J. Glembocki and K.X. Liu, “Reversal of Forward Voltage Drift in 4H-SiC PiN Diodes via Low Temperature Annealing”, Appl. Phys. Lett., 90, 143519 (2007).

J.D. Caldwell, O.J. Glembocki, D. Hansen, G. Chung, A.V. Bolotnikov and T. Sudarshan, “Free Carrier Distribution in 4H-SiC substrates via Optical Scanner Imaging”, J. Appl. Phys., 101, 093506 (2007).

K.X. Liu, R.E. Stahlbush, S.I. Maximenko and J.D. Caldwell, “Differences in emission spectra of Si- and C-core partial dislocations”, Appl. Phys. Lett., 90, 153503 (2007).

Y.N. Picard, M.E. Twigg, J.D. Caldwell, C.R. Eddy Jr., P.G. Neudeck, A.J. Trunek, J.A. Powell, “Electron Channeling Contrast Imaging of Atomic Steps and Threading Dislocations in 4H-SiC”, Appl. Phys. Lett., 90, 234101 (2007).

M.A. Mastro, J.A. Freitas Jr., O.J. Glembocki, C.R. Eddy Jr, R.T. Holm, R.L. Henry, J.D. Caldwell, R.W. Rendell, F. Kub and J. Kim, “Plasmonically enhanced emission from a group-III nitride nanowire emitter”, Nanotech. 18, 265401 (2007).

M.J. Tadjer, K.D. Hobart, J.D. Caldwell, J.E. Butler, K.X. Liu, C.R. Eddy Jr., D.K. Gaskill, K.K. Lew, B.L. Van Mil, M.G. Ancona, F.J. Kub, “Nanocrystalline Diamond Films as UV-Semi-Transparent Schottky Contacts to 4H-SiC”, Appl. Phys. Lett., 91, 163508 (2007).

Y.N. Picard, M.E. Twigg, J.D. Caldwell, C.R. Eddy, Jr., M.A. Mastro, R.L. Henry, R.T. Holm, P.G. Neudeck, A.J. Trunek and J.A. Powell, “Non-destructive analysis of threading dislocations in GaN by electron channeling contrast imaging” Appl. Phys. Lett., 91, 094106 (2007).

J.D. Caldwell, R.E. Stahlbush, K.D. Hobart and O.J. Glembocki, “Temperature-mediated saturation and current-induced recovery of the Vf drift in 4H-SiC pin diodes”, Appl. Phys. Lett, 91, 243509 (2007).

2006

O.J. Glembocki, M. Skowronski, S.M. Prokes, D.K. Gaskill and J.D. Caldwell, “Observation of Free Carrier Redistribution Resulting from Stacking Fault Formation in Annealed 4H-SiC”, Mat. Sci. Forum, 357-359, 347 (2006).

J.D. Caldwell, O.J. Glembocki, D.M. Hansen, G. Chung, K. Hobart and F. Kub, “SiC Substrate Doping Profiles Using Commercial Optical Scanners”, Mat. Sci. Forum, 357-359, 725 (2006).

J.D. Caldwell, R.E. Stahlbush, O.J. Glembocki, K.X. Liu and K.D. Hobart, “Characterization of defects in the drift region of 4H-SiC pin diodes via optical beam induced current”, J. Vac. Sci. & Technol. B, 24, 2178 (2006).

J.D. Caldwell, M.A. Mastro, K.D. Hobart, O.J. Glembocki, C.R. Eddy, Jr., R.T. Holm, R.L. Henry, N.D. Bassim, M.E. Twigg, F. Kub, P. Neudeck, A.J. Trunek and J.A. Powell, “Improved Ultra-Violet Emission from Reduced Defect Gallium Nitride Homo-Junctions Grown on Step-Free 4H-SiC Mesas”, Appl. Phys. Lett., 88, 263509 (2006).

J.D. Caldwell, R.E. Stahlbush, P.B. Klein, O.J. Glembocki, K.X. Liu, K.D. Hobart and F. Kub, “Observation of a Multi-layer In-Grown Stacking Fault in 4H-SiC PiN diodes” Appl. Phys. Lett., 89, 103519 (2006).

E. Olshanetsky, J.D. Caldwell, A. Kovalev, C.R. Bowers, J.A. Simmons and J.L. Reno, “Electron-Nuclear Double Resonance and dynamic nuclear polarization in GaAs in the regime of the quantum Hall effect” Physica B, 373, 182 (2006).

J.D. Caldwell, “Investigations of Electron-Nuclear Spin Interactions in Two-Dimensional Electron Systems via Magnetoresistively Detected Magnetic Resonance”, dissertation defended Nov (2004), University of Florida; published online (2006).

C.R. Bowers, J.D. Caldwell, G.M. Gusev, A.E. Kovalev, E. Olshanetsky, J.L. Reno, J.A. Simmons and S.A. Vitkalov, “Dynamic nuclear polarization and nuclear magnetic resonance in the vicinity of edge states of a 2DES in GaAs quantum wells”, Solid-State NMR, special issue honoring Dr. Alex Pines, 29, 52 (2006).

2005

E. Prati, M. Fanciulli, A. Kovalev, J.D. Caldwell, C. Bowers, F. Capotondi, G. Biasiol, and L. Sorba, “Magnetoresistively Detected Electron Spin Resonance in Low-Density Two-Dimensional Electron Gas in GaAs-AlGaAs Single Quantum Wells”, IEEE Trans. Nanotech., 4(1), 100 (2005).

J.D. Caldwell, C.R. Bowers and G.M. Gusev, “Electron Spin Resonance in a wide parabolic quantum well”, Phys. Rev. B, 72, 115339 (2005) – Cross-listed with J. Nanoscale Sci. & Tech., 12, 15 (2005).

E. Olshanetsky, M. Pilla, J.D. Caldwell, C.R. Bowers, J.A. Simmons, and J.L. Reno, “Temperature Dependence of Electrically Detected ESR at Filling Factor =1 in a 2DEG”, Physica E, 17, 320 (2003).

E. Olshanetsky, J.D. Caldwell, M. Pilla, S.-C. Liu, C.R. Bowers, J.A. Simmons and J.L. Reno, “Temperature Dependence and Mechanism of Electrically Detected ESR at the nu=1 Filling Factor of a Two Dimensional Electron System”, Phys. Rev. B, 67, 165325 (2003).