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  • David Smith
2019

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
1 Scopus citations

Damage recovery and dopant diffusion in Si and Sn ion implanted β-Ga2O3

Tadjer, M. J., Fares, C., Mahadik, N. A., Freitas, J. A., Smith, D., Sharma, R., Law, M. E., Ren, F., Pearton, S. J. & Kuramata, A., Jan 1 2019, In : ECS Journal of Solid State Science and Technology. 8, 7, p. Q3133-Q3139

Research output: Contribution to journalArticle

Open Access
5 Scopus citations

DC and dynamic switching characteristics of field-plated vertical geometry β-Ga 2 O 3 rectifiers

Yang, J., Carey, P., Ren, F., Chen, Y. T., Liao, Y., Chang, C. W., Lin, J., Tadjer, M., Pearton, S. J., Smith, D. & Kuramata, A., Jan 1 2019, Oxide-Based Materials and Devices X. Rogers, D. J., Teherani, F. H. & Look, D. C. (eds.). SPIE, 1091916. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10919).

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

Defects at the surface of β -Ga2O3 produced by Ar plasma exposure

Polyakov, A. Y., Lee, I. H., Smirnov, N. B., Yakimov, E. B., Shchemerov, I. V., Chernykh, A. V., Kochkova, A. I., Vasilev, A. A., Carey, P. H., Ren, F., Smith, D. & Pearton, S. J., Jun 1 2019, In : APL Materials. 7, 6, 061102.

Research output: Contribution to journalArticle

Open Access
3 Scopus citations

Electron holography

Dunin-Borkowski, R. E., Kovács, A., Kasama, T., McCartney, M. R. & Smith, D. J., Jan 1 2019, Springer Handbooks. Springer, p. 767-818 52 p. (Springer Handbooks).

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Epitaxial Oxides on Glass: A Platform for Integrated Oxide Devices

Ortmann, J. E., McCartney, M. R., Posadas, A., Smith, D. & Demkov, A. A., Jan 1 2019, (Accepted/In press) In : ACS Applied Nano Materials.

Research output: Contribution to journalArticle

Open Access

Growth habits of bismuth selenide (bi2se3) layers and nanowires over stranski-krastanov indium arsenide quantum dots

Claro, M. S., Levy, I., Garcia, T. A., Gangopadhyay, A., Smith, D. J. & Tamargo, M. C., Dec 4 2019, In : Crystal Growth and Design. 19, 12, p. 6989-6993 5 p.

Research output: Contribution to journalArticle

1 Scopus citations

Molecular beam epitaxial growth and structural properties of hetero-crystalline and heterovalent PbTe/CdTe/InSb structures

Lassise, M. B., McCarthy, T. T., Tracy, B. D., Smith, D. J. & Zhang, Y. H., Jul 28 2019, In : Journal of Applied Physics. 126, 4, 045708.

Research output: Contribution to journalArticle

Open Access
2 Scopus citations

Self-assembled Bismuth Selenide (Bi 2 Se 3 ) quantum dots grown by molecular beam epitaxy

Claro, M. S., Levy, I., Gangopadhyay, A., Smith, D. & Tamargo, M. C., Dec 1 2019, In : Scientific reports. 9, 1, 3370.

Research output: Contribution to journalArticle

Open Access
6 Scopus citations

Strain-dependence of χ (2) in thin film barium strontium titanate

Foster, N. D., Edmondson, B. I., Ekerdt, J. G., Smith, D. & Downer, M. C., Feb 1 2019, In : AIP Advances. 9, 2, 025312.

Research output: Contribution to journalArticle

Open Access
2 Scopus citations

Strain relaxation in low-mismatched GaAs/GaAs1-xSbx/GaAs heterostructures

Gangopadhyay, A., Maros, A., Faleev, N. & Smith, D., Jan 1 2019, In : Acta Materialia. 162, p. 103-115 13 p.

Research output: Contribution to journalArticle

3 Scopus citations

Strategies for Analyzing Noncommon-Atom Heterovalent Interfaces: The Case of CdTe-on-InSb

Luna, E., Trampert, A., Lu, J., Aoki, T., Zhang, Y. H., McCartney, M. R. & Smith, D. J., Jan 1 2019, (Accepted/In press) In : Advanced Materials Interfaces. 1901658.

Research output: Contribution to journalArticle

Open Access

Switching behavior and forward bias degradation of 700V, 0.2a, β-Ga2O3 vertical geometry rectifiers

Yang, J., Fares, C., Ren, F., Chen, Y. T., Liao, Y. T., Chang, C. W., Lin, J., Tadjer, M., Smith, D., Pearton, S. J. & Kuramata, A., Jan 1 2019, In : ECS Journal of Solid State Science and Technology. 8, 7, p. Q3028-Q3033

Research output: Contribution to journalArticle

Open Access
6 Scopus citations
2018

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

1 Scopus citations

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

1 Scopus citations

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

Crystalline SrZrO3 deposition on Ge (001) by atomic layer deposition for high-k dielectric applications

Hu, S., Ji, L., Chen, P. Y., Edmondson, B. I., Chang, H. L., Posadas, A., Wu, H. W., Yu, E. T., Smith, D., Demkov, A. A. & Ekerdt, J. G., Jul 28 2018, In : Journal of Applied Physics. 124, 4, 044102.

Research output: Contribution to journalArticle

5 Scopus citations

Effect of SrTiO 3 oxygen vacancies on the conductivity of LaTiO 3 /SrTiO 3 heterostructures

Edmondson, B. I., Liu, S., Lu, S., Wu, H. W., Posadas, A., Smith, D., Gao, X. P. A., Demkov, A. A. & Ekerdt, J. G., Nov 14 2018, In : Journal of Applied Physics. 124, 18, 185303.

Research output: Contribution to journalArticle

5 Scopus citations

EuO epitaxy by oxygen scavenging on SrTiO 3 (001): Effect of SrTiO 3 thickness and temperature

Guo, W., Posadas, A. B., Lu, S., Smith, D. & Demkov, A. A., Dec 21 2018, In : Journal of Applied Physics. 124, 23, 235301.

Research output: Contribution to journalArticle

3 Scopus citations

Growth of II-VI/III-V heterovalent quantum structures

Lassise, M. B., Wang, P., Tracy, B. D., Chen, G., Smith, D. & Zhang, Y-H., Mar 1 2018, In : Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics. 36, 2, 02D110.

Research output: Contribution to journalArticle

2 Scopus citations

Impact of metastable phases on electrical properties of Si with different doping concentrations after processing by high-pressure torsion

Chon, B., Ikoma, Y., Kohno, M., Shiomi, J., McCartney, M., Smith, D. & Horita, Z., Dec 1 2018, In : Scripta Materialia. 157, p. 120-123 4 p.

Research output: Contribution to journalArticle

2 Scopus citations

Investigation of defect creation in GaP/Si(0 0 1) epitaxial structures

Zhang, C., Boley, A., Faleev, N., Smith, D. & Honsberg, C., Dec 1 2018, In : Journal of Crystal Growth. 503, p. 36-44 9 p.

Research output: Contribution to journalArticle

6 Scopus citations

Large positive linear magnetoresistance in the two-dimensional t 2g electron gas at the EuO/SrTiO3 interface

Kormondy, K. J., Gao, L., Li, X., Lu, S., Posadas, A. B., Shen, S., Tsoi, M., McCartney, M., Smith, D., Zhou, J., Lev, L. L., Husanu, M. A., Strocov, V. N. & Demkov, A. A., Dec 1 2018, In : Scientific Reports. 8, 1, 7721.

Research output: Contribution to journalArticle

14 Scopus citations

Microstructural Characterization of Defects and Chemical Etching for HgCdSe/ZnTe/Si (211) Heterostructures

Vaghayenegar, M., Doyle, K. J., Trivedi, S., Wijewarnasuriya, P. & Smith, D., Jan 1 2018, (Accepted/In press) In : Journal of Electronic Materials.

Research output: Contribution to journalArticle

2 Scopus citations

Surface structure analysis of Eu Zintl template on Ge(001)

Ponath, P., Hamze, A. K., Posadas, A. B., Lu, S., Wu, H. W., Smith, D. & Demkov, A. A., Aug 1 2018, In : Surface Science. 674, p. 94-102 9 p.

Research output: Contribution to journalArticle

1 Scopus citations
2017

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

47 Scopus citations

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

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

5 Scopus citations

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

5 Scopus citations

Epitaxial growth of barium titanate thin films on germanium via atomic layer deposition

Lin, E. L., Posadas, A. B., Wu, H. W., Smith, D., Demkov, A. A. & Ekerdt, J. G., Oct 15 2017, In : Journal of Crystal Growth. 476, p. 6-11 6 p.

Research output: Contribution to journalArticle

11 Scopus citations

High-resolution transmission electron microscopy analysis of bulk nanograined silicon processed by high-pressure torsion

Fukushima, Y., Ikoma, Y., Edalati, K., Chon, B., Smith, D. & Horita, Z., Jul 1 2017, In : Materials Characterization. 129, p. 163-168 6 p.

Research output: Contribution to journalArticle

10 Scopus citations

High-resolution transmission electron microscopy analysis of nanograined germanium produced by high-pressure torsion

Ikoma, Y., Kumano, K., Edalati, K., McCartney, M., Smith, D. & Horita, Z., Oct 1 2017, In : Materials Characterization. 132, p. 132-138 7 p.

Research output: Contribution to journalArticle

8 Scopus citations

Integration of ferroelectric BaTiO3 with Ge: The role of a SrTiO3 buffer layer investigated using aberration-corrected STEM

Wu, H., Lu, S., Aoki, T., Ponath, P., Ekerdt, J. G., Demkov, A. A., McCartney, M. & Smith, D., Jun 19 2017, In : Applied Physics Letters. 110, 25, 252901.

Research output: Contribution to journalArticle

2 Scopus citations

Microscale magnetic compasses

Shiozawa, H., Zhang, D., Eisterer, M., Ayala, P., Pichler, T., McCartney, M. & Smith, D., Sep 7 2017, In : Journal of Applied Physics. 122, 9, 094301.

Research output: Contribution to journalArticle

Quaternary BeMgZnO by plasma-enhanced molecular beam epitaxy for BeMgZnO/ZnO heterostructure devices

Ullah, M. B., Toporkov, M., Avrutin, V., Özgür, Smith, D. & Morkoç, H., 2017, Oxide-Based Materials and Devices VIII 2017. SPIE, Vol. 10105. 101050J

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

2 Scopus citations

Structural evolution of dilute magnetic (Sn,Mn)Se films grown by molecular beam epitaxy

Kanzyuba, V., Dong, S., Liu, X., Li, X., Rouvimov, S., Okuno, H., Mariette, H., Zhang, X., Ptasinska, S., Tracy, B. D., Smith, D., Dobrowolska, M. & Furdyna, J. K., Feb 21 2017, In : Journal of Applied Physics. 121, 7, 075301.

Research output: Contribution to journalArticle

2 Scopus citations

Substrate-independent analysis of microcrystalline silicon thin films using UV Raman spectroscopy

Carpenter, J. V., Bailly, M., Boley, A., Shi, J., Minjares, M., Smith, D., Bowden, S. & Holman, Z., 2017, (Accepted/In press) In : Physica Status Solidi (B) Basic Research.

Research output: Contribution to journalArticle

2 Scopus citations

Surface preparation of freestanding GaN substrates for homoepitaxial GaN growth by rf-plasma MBE

Storm, D. F., McConkie, T. O., Hardy, M. T., Katzer, D. S., Nepal, N., Meyer, D. J. & Smith, D., Mar 1 2017, In : Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics. 35, 2, 02B109.

Research output: Contribution to journalArticle

11 Scopus citations

The scientific careers of Robert Sinclair and Nestor Zaluzec - A brief sketch

Fraser, H. L., Smith, D. & Wittig, J. E., May 1 2017, In : Ultramicroscopy. 176, p. 2-4 3 p.

Research output: Contribution to journalArticle

Zintl layer formation during perovskite atomic layer deposition on Ge (001)

Hu, S., Lin, E. L., Hamze, A. K., Posadas, A., Wu, H., Smith, D., Demkov, A. A. & Ekerdt, J. G., Feb 7 2017, In : Journal of Chemical Physics. 146, 5, 052817.

Research output: Contribution to journalArticle

10 Scopus citations
2016

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

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

11 Scopus citations
4 Scopus citations

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

6 Scopus citations

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

7 Scopus citations

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

1 Scopus citations

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

3 Scopus citations

Critical issues for homoepitaxial GaN growth by molecular beam epitaxy on hydride vapor-phase epitaxy-grown GaN substrates

Storm, D. F., Hardy, M. T., Katzer, D. S., Nepal, N., Downey, B. P., Meyer, D. J., McConkie, T. O., Zhou, L. & Smith, D., Dec 15 2016, In : Journal of Crystal Growth. 456, p. 121-132 12 p.

Research output: Contribution to journalArticle

16 Scopus citations

Direct mapping of charge distribution during lithiation of Ge nanowires using off-axis electron holography

Gan, Z., Gu, M., Tang, J., Wang, C. Y., He, Y., Wang, K. L., Wang, C., Smith, D. & McCartney, M., Jun 8 2016, In : Nano Letters. 16, 6, p. 3748-3753 6 p.

Research output: Contribution to journalArticle

19 Scopus citations