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  • David Smith
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

4 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

13 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

45 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

10 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

1 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

15 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

18 Scopus citations

Evaluation of AlGaN/GaN high electron mobility transistors grown on ZrTi buffer layers with sapphire substrates

Ren, F., Pearton, S. J., Ahn, S., Lin, Y. H., Machuca, F., Weiss, R., Welsh, A., McCartney, M., Smith, D. & Kravchenko, I. I., Sep 1 2016, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 34, 5, 051208.

Research output: Contribution to journalArticle

1 Scopus citations

Evaluation of antimony segregation in InAs/InAs1-xSbx type-II superlattices grown by molecular beam epitaxy

Lu, J., Luna, E., Aoki, T., Steenbergen, E. H., Zhang, Y-H. & Smith, D., Mar 7 2016, In : Journal of Applied Physics. 119, 9, 095702.

Research output: Contribution to journalArticle

25 Scopus citations

Impact of dynamical scattering on quantitative contrast for aberration-corrected transmission electron microscope images

Wen, C. & Smith, D., Oct 1 2016, In : Micron. 89, p. 77-86 10 p.

Research output: Contribution to journalArticle

2 Scopus citations

Impact of severe plastic deformation on microstructure and hydrogen storage of titanium-iron-manganese intermetallics

Edalati, K., Matsuo, M., Emami, H., Itano, S., Alhamidi, A., Staykov, A., Smith, D., Orimo, S. I., Akiba, E. & Horita, Z., Nov 1 2016, In : Scripta Materialia. 124, p. 108-111 4 p.

Research output: Contribution to journalArticle

18 Scopus citations
5 Scopus citations

Monolithic integration of perovskites on Ge(001) by atomic layer deposition: A case study with SrHfxTi1-xO3

Hu, S., McDaniel, M. D., Posadas, A., Hu, C., Wu, H., Yu, E. T., Smith, D., Demkov, A. A. & Ekerdt, J. G., Sep 1 2016, In : MRS Communications. 6, 3, p. 125-132 8 p.

Research output: Contribution to journalArticle

12 Scopus citations

Morphological and microstructural stability of N-polar InAlN thin films grown on free-standing GaN substrates by molecular beam epitaxy

Hardy, M. T., McConkie, T. O., Smith, D., Storm, D. F., Downey, B. P., Katzer, D. S., Meyer, D. J. & Nepal, N., Mar 1 2016, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 34, 2, 021512.

Research output: Contribution to journalArticle

2 Scopus citations
2 Scopus citations

Recent studies of oxide-semiconductor heterostructures using aberration-corrected scanning transmission electron microscopy

Smith, D., Wu, H. W., Lu, S., Aoki, T., Ponath, P., Fredrickson, K., McDaniel, M. D., Lin, E., Posadas, A. B., Demkov, A. A., Ekerdt, J. & McCartney, M., Aug 1 2016, (Accepted/In press) In : Journal of Materials Research. p. 1-9 9 p.

Research output: Contribution to journalArticle

4 Scopus citations

Recovery in dc performance of off-state step-stressed AlGaN/GaN high electron mobility transistor with thermal annealing

Kim, B. J., Ahn, S., Kang, T. S., Zhu, J., Ren, F., Pearton, S. J. & Smith, D., 2016, CS MANTECH 2016 - International Conference on Compound Semiconductor Manufacturing Technology. CS Mantech, p. 271-273 3 p.

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

Spectral identification scheme for epitaxially grown single-phase niobium dioxide

Hadamek, T., Posadas, A. B., Dhamdhere, A., Smith, D. & Demkov, A. A., Mar 7 2016, In : Journal of Applied Physics. 119, 9, 095308.

Research output: Contribution to journalArticle

4 Scopus citations

Spectrum and phase mapping across the epitaxial γ-Al2O3/SrTiO3 interface

Lu, S., Kormondy, K. J., Ngo, T. Q., Aoki, T., Posadas, A., Ekerdt, J. G., Demkov, A. A., McCartney, M. & Smith, D., Feb 1 2016, In : Applied Physics Letters. 108, 5, 051606.

Research output: Contribution to journalArticle

5 Scopus citations

Structural characterization of niobium oxide thin films grown on SrTiO3 (111) and (La,Sr)(Al,Ta)O3 (111) substrates

Dhamdhere, A. R., Hadamek, T., Posadas, A. B., Demkov, A. A. & Smith, D., Dec 28 2016, In : Journal of Applied Physics. 120, 24, 245302.

Research output: Contribution to journalArticle

1 Scopus citations

Towards defect-free epitaxial CdTe and MgCdTe layers grown on InSb (001) substrates

Lu, J., DiNezza, M. J., Zhao, X. H., Liu, S., Zhang, Y-H., Kovacs, A., Dunin-Borkowski, R. E. & Smith, D., Apr 1 2016, In : Journal of Crystal Growth. 439, p. 99-103 5 p.

Research output: Contribution to journalArticle

7 Scopus citations