Find Scholarly Works

Search concepts
Selected Filters
13 Citations (Scopus)

(Si) 5-2y(AlP) y alloys assembled on Si(100) from Al-P-Si 3 building units

Watkins, T., Jiang, L., Xu, C., Chizmeshya, A., Smith, D., Menendez, J. & Kouvetakis, J., Jan 9 2012, In : Applied Physics Letters. 100, 2, 022101.

Research output: Contribution to journalArticle

ellipsometry
tuning
density functional theory
defects
interactions

193 nm excimer laser lift-off for AlGaN/GaN high electron mobility transistors

Wang, X., Lo, C. F., Liu, L., Cuervo, C. V., Fan, R., Pearton, S. J., Gila, B., Johnson, M. R., Zhou, L., Smith, D., Kim, J., Laboutin, O., Cao, Y. & Johnson, J. W., 2012, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 30, 5, 051209.

Research output: Contribution to journalArticle

Excimer lasers
High electron mobility transistors
high electron mobility transistors
excimer lasers
Aluminum Oxide

60Co gamma ray damage in homoepitaxial β-Ga2O3 Schottky rectifiers

Yang, J., Koller, G. J., Fares, C., Ren, F., Pearton, S. J., Bae, J., Kim, J. & Smith, D., Jan 1 2019, In : ECS Journal of Solid State Science and Technology. 8, 7, p. Q3041-Q3045

Research output: Contribution to journalArticle

Open Access
Gamma rays
Irradiation
Alpha particles
Gate dielectrics
MOSFET devices
44 Citations (Scopus)

Above 400-K robust perpendicular ferromagnetic phase in a topological insulator

Tang, C., Chang, C. Z., Zhao, G., Liu, Y., Jiang, Z., Liu, C. X., McCartney, M., Smith, D., Chen, T., Moodera, J. S. & Shi, J., Jun 1 2017, In : Science advances. 3, 6, e1700307.

Research output: Contribution to journalArticle

Anisotropy
Temperature
Spectrum Analysis
5 Citations (Scopus)

A calibration method for group V fluxes and impact of V/III flux ratio on the growth of InAs/InAsSb type-II superlattices by molecular beam epitaxy

Li, H., Liu, S., Cellek, O. O., Ding, D., Shen, X. M., Steenbergen, E. H., Fan, J., Lin, Z., He, Z. Y., Zhang, Q., Webster, P. T., Johnson, S., Ouyang, L., Smith, D. & Zhang, Y-H., 2013, In : Journal of Crystal Growth. 378, p. 145-149 5 p.

Research output: Contribution to journalArticle

Superlattices
Molecular beam epitaxy
superlattices
molecular beam epitaxy
Calibration
37 Citations (Scopus)

A Chemical Route to Monolithic Integration of Crystalline Oxides on Semiconductors

McDaniel, M. D., Ngo, T. Q., Posadas, A., Hu, C., Lu, S., Smith, D., Yu, E. T., Demkov, A. A. & Ekerdt, J. G., Nov 1 2014, In : Advanced Materials Interfaces. 1, 8, 1400081.

Research output: Contribution to journalArticle

Semiconductor materials
Crystalline materials
Oxides
Atomic layer deposition
Thick films

AlGaN/GaN High electron mobility transistor grown and fabricated on ZrTi metallic alloy buffer layers

Ren, F., Pearton, S. J., Ahn, S., Lin, Y. H., Machuca, F., Weiss, R., Welsh, A., McCartney, M., Smith, D. & Kravchenko, I. I., Jan 1 2017, In : ECS Journal of Solid State Science and Technology. 6, 11, p. S3078-S3080

Research output: Contribution to journalEditorial

High electron mobility transistors
Buffer layers
Transmission electron microscopy
X rays
Full width at half maximum

Anchorage of γ-Al2O3 nanoparticles on nitrogen-doped multiwalled carbon nanotubes

Rodríguez-Pulido, A., Martínez-Gutiérrez, H., Calderon-Polania, G. A., Lozano, M. A. G., Cullen, D. A., Terrones, H., Smith, D. & Terrones, M., Oct 1 2016, In : Scripta Materialia. 123, p. 17-20 4 p.

Research output: Contribution to journalArticle

Multiwalled carbon nanotubes (MWCN)
Nanotubes
Electron microscopy
bundles
Nitrogen
1 Citation (Scopus)

An EELS signal-from-background separation algorithm for spectral line-scan/image quantification

Lu, S., Kormondy, K. J., Demkov, A. A. & Smith, D., Dec 1 2018, In : Ultramicroscopy. 195, p. 25-31 7 p.

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
line spectra
Energy dissipation
energy dissipation
regression analysis
2 Citations (Scopus)

An indirect method of studying band alignments in nBn photodetectors using off-axis electron holography

Shen, X. M., He, Z. Y., Liu, S., Lin, Z. Y., Zhang, Y-H., Smith, D. & McCartney, M., Sep 21 2015, In : Applied Physics Letters. 107, 12, 122109.

Research output: Contribution to journalArticle

barrier layers
planetary waves
holography
photometers
alignment

A novel backside gate structure to improve device performance

Hwang, Y. H., Zhu, W., Dong, C., Ahn, S., Ren, F., Kravchenko, I. I., Smith, D. & Pearton, S. J., 2015, ECS Transactions. 1 ed. Electrochemical Society Inc., Vol. 66. p. 185-190 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric breakdown
Leakage currents
10 Citations (Scopus)

Anti-phase boundaries at the SrTiO3/Si(001) interface studied using aberration-corrected scanning transmission electron microscopy

Wu, H., Aoki, T., Posadas, A. B., Demkov, A. A. & Smith, D., Feb 29 2016, In : Applied Physics Letters. 108, 9, 091605.

Research output: Contribution to journalArticle

antiphase boundaries
aberration
transmission electron microscopy
scanning electron microscopy
image resolution
11 Citations (Scopus)

Applications of TEM imaging, analysis and electron holography to III-nitride HEMT devices

Smith, D., Cullen, D. A., Zhou, L. & McCartney, M., Sep 2010, In : Microelectronics Reliability. 50, 9-11, p. 1514-1519 6 p.

Research output: Contribution to journalArticle

Electron holography
High electron mobility transistors
high electron mobility transistors
Nitrides
holography
67 Citations (Scopus)

Architecture and magnetism of alnico

Zhou, L., Miller, M. K., Lu, P., Ke, L., Skomski, R., Dillon, H., Xing, Q., Palasyuk, A., McCartney, M., Smith, D., Constantinides, S., McCallum, R. W., Anderson, I. E., Antropov, V. & Kramer, M. J., Aug 1 2014, In : Acta Materialia. 74, p. 224-233 10 p.

Research output: Contribution to journalArticle

Magnetism
Coercive force
Spinodal decomposition
Rare earth alloys
Alloying elements
24 Citations (Scopus)

Atomic and electronic structure of the ferroelectric BaTiO 3/Ge(001) interface

Fredrickson, K. D., Ponath, P., Posadas, A. B., McCartney, M., Aoki, T., Smith, D. & Demkov, A. A., Jun 16 2014, In : Applied Physics Letters. 104, 24, 4883883.

Research output: Contribution to journalArticle

atomic structure
electronic structure
aberration
electron microscopy
molecular beam epitaxy
11 Citations (Scopus)

Atomic configurations at InAs partial dislocation cores associated with Z-shape faulted dipoles

Li, L., Gan, Z., McCartney, M., Liang, H., Yu, H., Gao, Y., Wang, J. & Smith, D., Nov 15 2013, In : Scientific Reports. 3, 3229.

Research output: Contribution to journalArticle

dipoles
configurations
crystal defects
aberration
inversions
37 Citations (Scopus)

Atomic layer deposition of crystalline SrHfO3 directly on Ge (001) for high-k dielectric applications

McDaniel, M. D., Hu, C., Lu, S., Ngo, T. Q., Posadas, A., Jiang, A., Smith, D., Yu, E. T., Demkov, A. A. & Ekerdt, J. G., Feb 7 2015, In : Journal of Applied Physics. 117, 5, 054101.

Research output: Contribution to journalArticle

atomic layer epitaxy
strontium oxides
annealing
vacuum deposition
oxides
3 Citations (Scopus)

Atomic-scale characterization of (mostly zincblende) compound semiconductor heterostructures

Smith, D., Aoki, T., Furdyna, J. K., Liu, X., McCartney, M. & Zhang, Y-H., 2013, In : Journal of Physics: Conference Series. 471, 1, 012005.

Research output: Contribution to journalArticle

zincblende
defects
aberration
electron microscopy
interfacial tension
6 Citations (Scopus)

Atomic-scale characterization of ii-vi compound semiconductors

Smith, D., Nov 2013, In : Journal of Electronic Materials. 42, 11, p. 3168-3174 7 p.

Research output: Contribution to journalArticle

Semiconductor materials
Photonic devices
zincblende
Photodetectors
optoelectronic devices
40 Citations (Scopus)

Atomic-scale chemical imaging and quantification of metallic alloy structures by energy-dispersive x-ray spectroscopy

Lu, P., Zhou, L., Kramer, M. J. & Smith, D., Feb 4 2014, In : Scientific Reports. 4, 3945.

Research output: Contribution to journalArticle

x ray spectroscopy
intermetallics
energy
chemical composition
physical properties
1 Citation (Scopus)

Atomic structure of dissociated 60° dislocations in GaAs/GaAs0.92Sb0.08/GaAs heterostructures

Gangopadhyay, A., Maros, A., Faleev, N. & Smith, D., Aug 1 2018, In : Scripta Materialia. 153, p. 77-80 4 p.

Research output: Contribution to journalArticle

Stacking faults
atomic structure
Heterojunctions
Strain relaxation
Aberrations
5 Citations (Scopus)
Silicon
Valence bands
alignment
Ultraviolet photoelectron spectroscopy
silicon
8 Citations (Scopus)

Band alignment of vanadium oxide as an interlayer in a hafnium oxide-silicon gate stack structure

Zhu, C., Kaur, M., Tang, F., Liu, X., Smith, D. & Nemanich, R., Oct 15 2012, In : Journal of Applied Physics. 112, 8, 084105.

Research output: Contribution to journalArticle

hafnium oxides
vanadium oxides
interlayers
alignment
silicon
9 Citations (Scopus)
Zinc Oxide
Atomic layer deposition
atomic layer epitaxy
Valence bands
Zinc oxide
13 Citations (Scopus)

Band gap-engineered group-IV optoelectronic semiconductors, photodiodes and prototype photovoltaic devices

Beeler, R. T., Gallagher, J., Xu, C., Jiang, L., Senaratne, C. L., Smith, D., Menendez, J., Chizmeshya, A. & Kouvetakis, J., 2013, In : ECS Journal of Solid State Science and Technology. 2, 9

Research output: Contribution to journalArticle

Photodiodes
Optoelectronic devices
Diodes
Energy gap
Semiconductor materials
5 Citations (Scopus)

Band offsets of epitaxial cubic boron nitride deposited on polycrystalline diamond via plasma-enhanced chemical vapor deposition

Shammas, J., Yang, Y., Wang, X., Koeck, F. A. M., McCartney, M., Smith, D. & Nemanich, R., Oct 23 2017, In : Applied Physics Letters. 111, 17, 171604.

Research output: Contribution to journalArticle

boron nitrides
diamonds
vapor deposition
photoelectron spectroscopy
conduction bands
12 Citations (Scopus)

Bias dependent two-channel conduction in InAlN/AlN/GaN structures

Leach, J. H., Ni, X., Li, X., Wu, M., Özgür, U., Morko̧, H., Zhou, L., Cullen, D. A., Smith, D., Cheng, H., Kurdak, Ç., Meyer, J. R. & Vurgaftman, I., Apr 15 2010, In : Journal of Applied Physics. 107, 8, 083706.

Research output: Contribution to journalArticle

conduction
spacers
barrier layers
spectrum analysis
temperature gradients
4 Citations (Scopus)
Aberrations
aberration
Semiconductor materials
Transmission electron microscopy
Imaging techniques
46 Citations (Scopus)

Carrier density modulation in a germanium heterostructure by ferroelectric switching

Ponath, P., Fredrickson, K., Posadas, A. B., Ren, Y., Wu, X., Vasudevan, R. K., Baris Okatan, M., Jesse, S., Aoki, T., McCartney, M., Smith, D., Kalinin, S. V., Lai, K. & Demkov, A. A., 2015, In : Nature Communications. 6, 6067.

Research output: Contribution to journalArticle

Germanium
Semiconductors
Ferroelectric materials
Carrier concentration
Heterojunctions
3 Citations (Scopus)

CdSe/CdTe type-II superlattices grown on GaSb (001) substrates by molecular beam epitaxy

Li, J. J., Liu, X., Liu, S., Wang, S., Smith, D., Ding, D., Johnson, S., Furdyna, J. K. & Zhang, Y-H., Mar 19 2012, In : Applied Physics Letters. 100, 12, 121908.

Research output: Contribution to journalArticle

superlattices
molecular beam epitaxy
photoluminescence
optoelectronic devices
envelopes
5 Citations (Scopus)

CHAPTER 1: Characterization of nanomaterials using transmission electron microscopy

Smith, D., 2015, Hierarchical Nanostructures for Energy Devices. 37 ed. Royal Society of Chemistry, Vol. 2015-January. p. 1-29 29 p. (RSC Nanoscience and Nanotechnology; vol. 2015-January, no. 37).

Research output: Chapter in Book/Report/Conference proceedingChapter

Nanostructured materials
electron microscopy
electron microscopes
Transmission electron microscopy
Imaging techniques
4 Citations (Scopus)

Characterization of a-plane GaN templates grown by HVPE and high efficiency deep UV emitting AlGaN/AlN MQWs grown by MBE on such templates

Moldawer, A., Bhattacharyya, A., Zhou, L., Smith, D. & Moustakas, T. D., 2014, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 11, 3-4, p. 585-589 5 p.

Research output: Contribution to journalArticle

vapor phase epitaxy
hydrides
molecular beam epitaxy
templates
quantum wells
21 Citations (Scopus)

Characterization of Bi2Te3 and Bi2Se 3 topological insulators grown by MBE on (001) GaAs substrates

Liu, X., Smith, D., Cao, H., Chen, Y. P., Fan, J., Zhang, Y-H., Pimpinella, R. E., Dobrowolska, M. & Furdyna, J. K., 2012, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 30, 2, 02B103.

Research output: Contribution to journalArticle

Molecular beam epitaxy
insulators
Reflection high energy electron diffraction
Epitaxial films
Substrates
6 Citations (Scopus)

Characterization of electrical properties in axial Si-Ge nanowire heterojunctions using off-axis electron holography and atom-probe tomography

Gan, Z., Perea, D. E., Yoo, J., He, Y., Colby, R. J., Barker, J. E., Gu, M., Mao, S. X., Wang, C., Picraux, S. T., Smith, D. & McCartney, M., Sep 14 2016, In : Journal of Applied Physics. 120, 10, 104301.

Research output: Contribution to journalArticle

holography
heterojunctions
nanowires
tomography
electrical properties

Characterization of N-polar GaN/AlGaN/GaN heterostructures using electron holography

Boley, A., Storm, D. F., McCartney, M. & Smith, D., Aug 1 2014, In : Microscopy and Microanalysis. 20, 3, p. 258-259 2 p.

Research output: Contribution to journalArticle

Electron holography
holography
Heterojunctions
electrons

Characterization of Self-Assembled CdTe Quantum Dots Grown on ZnTe/GaSb

Tang, D., Smith, D., Pimpinella, R. E., Li, X., Dobrowolska, M. & Furdyna, J. K., 2012, In : Microscopy and Microanalysis. 18, S2, p. 1438-1439 2 p.

Research output: Contribution to journalArticle

Semiconductor quantum dots
quantum dots
7 Citations (Scopus)

Characterization of structural defects in SnSe2 thin films grown by molecular beam epitaxy on GaAs (111)B substrates

Tracy, B. D., Li, X., Liu, X., Furdyna, J., Dobrowolska, M. & Smith, D., Nov 1 2016, In : Journal of Crystal Growth. 453, p. 58-64 7 p.

Research output: Contribution to journalArticle

Molecular beam epitaxy
molecular beam epitaxy
Fluxes
Epitaxial growth
Thin films

Characterization of Zinc Telluride Grown on Silicon by MBE

Kim, J. J., Smith, D., Chen, Y. & Brill, G. N., 2012, In : Microscopy and Microanalysis. 18, S2, p. 1848-1849 2 p.

Research output: Contribution to journalArticle

zinc tellurides
Molecular beam epitaxy
Zinc
Silicon
silicon
7 Citations (Scopus)

Charge control in N-polar InAlN high-electron-mobility transistors grown by plasma-assisted molecular beam epitaxy

Hardy, M. T., Storm, D. F., Downey, B. P., Katzer, D. S., Meyer, D. J., McConkie, T. O. & Smith, D., Nov 1 2015, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 33, 6, 061207.

Research output: Contribution to journalArticle

High electron mobility transistors
high electron mobility transistors
Molecular beam epitaxy
molecular beam epitaxy
Plasmas

Charge Redistribution at ‘Polytype’ Heterojunctions in InAs(Sb) Nanopillars

Li, L., Gan, Z., Liang, H., Yu, H., Smith, D. & McCarthy, M. R., 2012, In : Microscopy and Microanalysis. 18, p. 1812-1813 2 p.

Research output: Contribution to journalArticle

Heterojunctions
heterojunctions
89 Citations (Scopus)

Chemical vapor deposition synthesis of N-, P-, and Si-doped single-walled carbon nanotubes

Campos-Delgado, J., Maciel, I. O., Cullen, D. A., Smith, D., Jorio, A., Pimenta, M. A., Terrones, H. & Terrones, M., Mar 23 2010, In : ACS Nano. 4, 3, p. 1696-1702 7 p.

Research output: Contribution to journalArticle

Single-walled carbon nanotubes (SWCN)
Nanotubes
Chemical vapor deposition
nanotubes
carbon nanotubes
2 Citations (Scopus)

Comparison of microstructure of N-polar GaN/AlGaN/GaN heterostructures grown on different substrates

Zhou, L., Storm, D. F., Katzer, D. S., Meyer, D. J. & Smith, D., Oct 15 2012, In : Journal of Crystal Growth. 357, 1, p. 25-29 5 p.

Research output: Contribution to journalArticle

Heterojunctions
microstructure
Microstructure
Substrates
Defects
29 Citations (Scopus)
cryogenic temperature
dark current
epitaxy
photometers
optical measurement
2 Citations (Scopus)

Conduction electron scattering and spin-flipping at sputtered Al/Cu Interfaces

Sharma, A., Theodoropoulou, N., Loloee, R., Pratt, W. P., Bass, J., Zhang, J. M., Crimp, M. A., Cullen, D. A., Smith, D., Liu, K., Wang, S. & Xia, K., Mar 1 2011, In : Journal of Applied Physics. 109, 5, 053903.

Research output: Contribution to journalArticle

electron spin
conduction electrons
electron scattering
spin exchange
Permalloys (trademark)
1 Citation (Scopus)

Continuous control of spin polarization using a magnetic field

Gifford, J. A., Zhao, G. J., Li, B. C., Tracy, B. D., Zhang, J., Kim, D. R., Smith, D. & Chen, T., May 23 2016, In : Applied Physics Letters. 108, 21, 212401.

Research output: Contribution to journalArticle

polarization
magnetic fields
electric potential
spectroscopy
3 Citations (Scopus)

Contradictory nature of Co doping in ferroelectric BaTi O3

Ponath, P., O'Hara, A., Cao, H. X., Posadas, A. B., Vasudevan, R., Okatan, M. B., Jesse, S., Berg, M., Li, Z., Zhang, D., Kellock, A. J., De Lozanne, A., Zhou, J., Kalinin, S., Smith, D. & Demkov, A. A., 2016, In : Physical Review B - Condensed Matter and Materials Physics. 94, 20, 205121.

Research output: Contribution to journalArticle

Oxygen vacancies
Ferroelectric materials
Doping (additives)
x ray spectroscopy
oxygen
9 Citations (Scopus)

Controlled growth behavior of chemical vapor deposited Ni nanostructures

Chan, K. T., Kan, J. J., Doran, C., Ouyang, L., Smith, D. & Fullerton, E. E., Jun 11 2012, In : Philosophical Magazine. 92, 17, p. 2173-2186 14 p.

Research output: Contribution to journalArticle

nanowires
vapors
products
metal halides
isolation
4 Citations (Scopus)

Correlation of Etch Pits and Dislocations in As-grown and Thermal Cycle-Annealed HgCdTe(211) Films

Vaghayenegar, M., Jacobs, R. N., Benson, J. D., Stoltz, A. J., Almeida, L. A. & Smith, D., Apr 14 2017, (Accepted/In press) In : Journal of Electronic Materials. p. 1-13 13 p.

Research output: Contribution to journalArticle

Dislocations (crystals)
Annealing
Burgers vector
cycles
Defects

Correlative characterization of dislocation defects and defect clusters in GaAs and CdTe solar cells by spatially resolved optical techniques and high-resolution TEM

Chen, Q., McKeon, B. S., Becker, J., Zhang, S., Hu, C. K., Gfroerer, T. H., Gfroerer, T. H., Zhang, Y-H., Smith, D. & Zhang, Y., Nov 26 2018, 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC. Institute of Electrical and Electronics Engineers Inc., p. 3234-3236 3 p. 8548288. (2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar cells
Transmission electron microscopy
Defects
Electroluminescence
Photoluminescence