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  • 2020
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  • Fernando Ponce
2020

Anomalous carrier dynamics and localization effects in nonpolar m-plane InGaN/GaN quantum wells at high temperatures

Huang, X., Li, D., Su, P. Y., Fu, H., Chen, H., Yang, C., Zhou, J., Qi, X., Yang, T. H., Montes, J., Deng, X., Fu, K., DenBaars, S. P., Nakamura, S., Ponce, F. A., Ning, C. Z. & Zhao, Y., Oct 2020, In : Nano Energy. 76, 105013.

Research output: Contribution to journalArticle

High Voltage Vertical GaN p-n Diodes with Hydrogen-Plasma Based Guard Rings

Fu, H., Montes, J., Deng, X., Qi, X., Goodnick, S. M., Ponce, F. A., Zhao, Y., Fu, K., Alugubelli, S. R., Cheng, C. Y., Huang, X., Chen, H., Yang, T. H., Yang, C. & Zhou, J., Jan 2020, In : IEEE Electron Device Letters. 41, 1, p. 127-130 4 p., 8906086.

Research output: Contribution to journalArticle

Investigation of polycrystalline GaxIn1-xP for potential use as a solar cell absorber with tunable bandgap

Chikhalkar, A., Gangopadhyay, A., Liu, H., Zhang, C., Ponce, F. A., Smith, D. J., Honsberg, C. & King, R. R., Feb 21 2020, In : Journal of Applied Physics. 127, 7, 073102.

Research output: Contribution to journalArticle

2019

Corrections to: Lateral current spreading in III-N ultraviolet vertical-cavity surface-emitting lasers using modulation-doped short period superlattices (IEEE Journal of Quantum Electronics (2018) 54: 4 (2400507) DOI: 10.1109/JQE.2018.2836667)

Mehta, K., Liu, Y. S., Wang, J., Jeong, H., Detchprohm, T., Park, Y. J., Alugubelli, S. R., Wang, S., Ponce, F., Shen, S. C., Dupuis, R. D. & Yoder, P. D., Jun 1 2019, In : IEEE Journal of Quantum Electronics. 55, 3, 8684328.

Research output: Contribution to journalComment/debate

Determination of electronic band structure by electron holography of etched-and-regrown interfaces in GaN p-i-n diodes

Alugubelli, S. R., Fu, H., Fu, K., Liu, H., Zhao, Y., McCartney, M. R. & Ponce, F. A., Nov 11 2019, In : Applied Physics Letters. 115, 20, 201602.

Research output: Contribution to journalArticle

Open Access

Development for ultraviolet vertical cavity surface emitting lasers

Liu, Y. S., Saniul Haq, A. F. M., Kao, T. T., Mehta, K., Shen, S. C., Detchprohm, T., Douglas Yoder, P., Xie, H., Ponce, F. & Dupuis, R. D., Jan 1 2019, Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015. Optical Society of America (OSA), (Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015).

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

Dopant profiling in p-i-n GaN structures using secondary electrons

Alugubelli, S. R., Fu, H., Fu, K., Liu, H., Zhao, Y. & Ponce, F. A., Jul 7 2019, In : Journal of Applied Physics. 126, 1, 015704.

Research output: Contribution to journalArticle

Open Access
1 Scopus citations

Effect of InAs quantum dots capped with GaAs on atomic-scale ordering in Ga 0.5 In 0.5 P

Su, P. Y., Liu, H., Kawabata, R. M. S., Weiner, E. C., Jakomin, R., Pires, M. P., King, R., Souza, P. L. & Ponce, F., Feb 7 2019, In : Journal of Applied Physics. 125, 5, 053104.

Research output: Contribution to journalArticle

Open Access

Evaluating the performance of InGaN/GaN multi-quantum-well solar cells operated at elevated temperatures via DC and small-signal AC analysis

Vadiee, E., Fischer, A. M., Clinton, E. A., McFavilen, H., Patadia, A., Arena, C., Ponce, F. A., King, R. R., Honsberg, C. B. & Doolittle, W. A., Jan 1 2019, In : Japanese Journal of Applied Physics. 58, 10, 101003.

Research output: Contribution to journalArticle

Open Access

Identification of point defects using high-resolution electron energy loss spectroscopy

Wang, S., March, K., Ponce, F. & Rez, P., Mar 18 2019, In : Physical Review B. 99, 11, 115312.

Research output: Contribution to journalArticle

2 Scopus citations

Implantation-and etching-free high voltage vertical GaN p-n diodes terminated by plasma-hydrogenated p-GaN: Revealing the role of thermal annealing

Fu, H., Fu, K., Liu, H., Alugubelli, S. R., Huang, X., Chen, H., Montes, J., Yang, T. H., Yang, C., Zhou, J., Ponce, F. A. & Zhao, Y., May 1 2019, In : Applied Physics Express. 12, 5, 051015.

Research output: Contribution to journalArticle

Open Access
3 Scopus citations

Non-uniform Mg distribution in GaN epilayers grown on mesa structures for applications in GaN power electronics

Liu, H., Fu, H., Fu, K., Alugubelli, S. R., Su, P. Y., Zhao, Y. & Ponce, F., Feb 25 2019, In : Applied Physics Letters. 114, 8, 082102.

Research output: Contribution to journalArticle

Open Access
3 Scopus citations

Novel semiconductors for sustainable solar energy technologies

Ponce, F., Mar 14 2019, In : Journal of Physics: Conference Series. 1173, 1, 012001.

Research output: Contribution to journalConference article

Open Access

Optically pumped vertical-cavity surface-emitting lasers at 375 nm with air-gap/Al 0.05 Ga 0.95 N distributed Bragg reflectors

Park, Y. J., Detchprohm, T., Mehta, K., Wang, J., Jeong, H., Liu, Y. S., Chen, P., Wang, S., Shen, S. C., Yoder, P. D., Ponce, F. & Dupuis, R., Jan 1 2019, Vertical-Cavity Surface-Emitting Lasers XXIII. Choquette, K. D. & Graham, L. A. (eds.). SPIE, 109380A. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10938).

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

1 Scopus citations
2018

AlGaSb based solar cells grown on GaAs by molecular beam epitaxy

Vadiee, E., Zhang, C., Faleev, N. N., Addamane, S., Wang, S., Ponce, F., Balakrishnan, G. & Honsberg, C., May 25 2018, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-4 4 p.

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

CdCl2 passivation of polycrystalline CdMgTe and CdZnTe absorbers for tandem photovoltaic cells

Swanson, D. E., Reich, C., Abbas, A., Shimpi, T., Liu, H., Ponce, F., Walls, J. M., Zhang, Y-H., Metzger, W. K., Sampath, W. S. & Holman, Z., May 28 2018, In : Journal of Applied Physics. 123, 20, 203101.

Research output: Contribution to journalArticle

9 Scopus citations

Development of a high-band gap high temperature III-nitride solar cell for integration with concentrated solar power technology

Williams, J. J., McFavilen, H., Fischer, A. M., Ding, D., Young, S. R., Vadiee, E., Ponce, F., Arena, C., Honsberg, C. & Goodnick, S., May 25 2018, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-3 3 p.

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

Dislocation baskets in thick InxGa1-xN epilayers

Wang, S., Xie, H., Liu, H., Fischer, A. M., McFavilen, H. & Ponce, F., Sep 14 2018, In : Journal of Applied Physics. 124, 10, 105701.

Research output: Contribution to journalArticle

Effect of capping procedure on quantum dot morphology: Implications on optical properties and efficiency of InAs/GaAs quantum dot solar cells

Weiner, E. C., Jakomin, R., Micha, D. N., Xie, H., Su, P. Y., Pinto, L. D., Pires, M. P., Ponce, F. & Souza, P. L., May 1 2018, In : Solar Energy Materials and Solar Cells. 178, p. 240-248 9 p.

Research output: Contribution to journalArticle

11 Scopus citations

Investigation of GaN-on-GaN vertical p-n diode with regrown p-GaN by metalorganic chemical vapor deposition

Fu, K., Fu, H., Liu, H., Alugubelli, S. R., Yang, T. H., Huang, X., Chen, H., Baranowski, I., Montes, J., Ponce, F. & Zhao, Y., Dec 3 2018, In : Applied Physics Letters. 113, 23, 233502.

Research output: Contribution to journalArticle

12 Scopus citations

Lateral Current Spreading in III-N Ultraviolet Vertical-Cavity Surface-Emitting Lasers Using Modulation-Doped Short Period Superlattices

Mehta, K., Liu, Y. S., Wang, J., Jeong, H., Detchprohm, T., Park, Y. J., Alugubelli, S. R., Wang, S., Ponce, F., Shen, S. C., Dupuis, R. D. & Yoder, P. D., May 15 2018, (Accepted/In press) In : IEEE Journal of Quantum Electronics.

Research output: Contribution to journalArticle

8 Scopus citations

Nonpolar vertical GaN-on-GaN p-n diodes grown on free-standing IMG ALIGN="MIDDLE" ALT="$(10\bar{1}0)$" SRC="AP180752if001.gif"/ m-plane GaN substrates

Fu, H., Zhang, X., Fu, K., Liu, H., Alugubelli, S. R., Huang, X., Chen, H., Baranowski, I., Yang, T. H., Xu, K., Ponce, F., Zhang, B. & Zhao, Y., Nov 2018, In : Applied Physics Express. 11, 11, 111003.

Research output: Contribution to journalArticle

6 Scopus citations

Theory and Design of Electron Blocking Layers for III-N Based Laser Diodes by Numerical Simulation

Mehta, K., Liu, Y. S., Wang, J., Jeong, H., Detchprohm, T., Park, Y. J., Alugubelli, S. R., Wang, S., Ponce, F., Shen, S. C., Dupuis, R. D. & Yoder, P. D., Jan 1 2018, (Accepted/In press) In : IEEE Journal of Quantum Electronics.

Research output: Contribution to journalArticle

4 Scopus citations
2016

AlGaSb based solar cells grown on GaAs by Molecular Beam Epitaxy

Vadiee, E., Zhang, C., Faleev, N. N., Addamane, S., Wang, S., Ponce, F., Balakrishnan, G. & Honsberg, C., Nov 18 2016, 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-November. p. 2313-2316 4 p. 7750050

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

Critical thickness investigation of MBE-grown GaInAs/GaAs and GaAsSb/GaAs heterostructures

Maros, A., Faleev, N., King, R., Honsberg, C., Convey, D., Xie, H. & Ponce, F., Mar 1 2016, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 34, 2, 02L113.

Research output: Contribution to journalArticle

9 Scopus citations

Development for ultraviolet vertical cavity surface emitting lasers

Liu, Y. S., Kao, T. T., Mehta, K., Shen, S. C., Yoder, P. D., Detchprohm, T., Dupuis, R. D., Xie, H. & Ponce, F., 2016, Gallium Nitride Materials and Devices XI. SPIE, Vol. 9748. 974815

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

2 Scopus citations

Development of a high-band gap high temperature III-nitride solar cell for integration with concentrated solar power technology

Williams, J. J., McFavilen, H., Fischer, A. M., Ding, D., Young, S. R., Vadiee, E., Ponce, F., Arena, C., Honsberg, C. & Goodnick, S., Nov 18 2016, 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-November. p. 193-195 3 p. 7749576

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

10 Scopus citations

Early nucleation stages of low density InAs quantum dots nucleation on GaAs by MOVPE

Torelly, G., Jakomin, R., Pinto, L. D., Pires, M. P., Ruiz, J., Caldas, P. G., Prioli, R., Xie, H., Ponce, F. & Souza, P. L., Jan 15 2016, In : Journal of Crystal Growth. 434, p. 47-54 8 p.

Research output: Contribution to journalArticle

3 Scopus citations

Electrically conducting n-type AlGaN/GaN distributed Bragg reflectors grown by metalorganic chemical vapor deposition

Liu, Y. S., Haq, A. F. M. S., Kao, T. T., Mehta, K., Shen, S. C., Detchprohm, T., Yoder, P. D., Dupuis, R. D., Xie, H. & Ponce, F., Jun 1 2016, In : Journal of Crystal Growth. 443, p. 81-84 4 p.

Research output: Contribution to journalArticle

13 Scopus citations

Growth of single-phase wurtzite BAlN with 7.2%-B contents

Li, X., Wang, S., Liu, H., Ponce, F., Detchprohm, T. & Dupuis, R., Dec 16 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7789116. (2016 Conference on Lasers and Electro-Optics, CLEO 2016).

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

Improved optical properties of InAs quantum dots for intermediate band solar cells by suppression of misfit strain relaxation

Xie, H., Prioli, R., Fischer, A. M., Ponce, F., Kawabata, R. M. S., Pinto, L. D., Jakomin, R., Pires, M. P. & Souza, P. L., Jul 21 2016, In : Journal of Applied Physics. 120, 3, 034301.

Research output: Contribution to journalArticle

9 Scopus citations

Onset of deep UV surface stimulated emission from AlGaN multiple quantum wells

Li, X., Xie, H., Ponce, F., Ryou, J. H., Detchprohm, T. & Dupuis, R., Dec 16 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7788056

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

Optically pumped vertical-cavity surface-emitting laser at 374.9 nm with an electrically conducting n-type distributed Bragg reflector

Liu, Y. S., Saniul Haq, A. F. M., Mehta, K., Kao, T. T., Wang, S., Xie, H., Shen, S. C., Yoder, P. D., Ponce, F., Detchprohm, T. & Dupuis, R. D., Nov 1 2016, In : Applied Physics Express. 9, 11, 111002.

Research output: Contribution to journalArticle

15 Scopus citations

Strain management of AlGaN-based distributed Bragg reflectors with GaN interlayer grown by metalorganic chemical vapor deposition

Liu, Y. S., Wang, S., Xie, H., Kao, T. T., Mehta, K., Jia, X. J., Shen, S. C., Yoder, P. D., Ponce, F., Detchprohm, T. & Dupuis, R. D., Aug 22 2016, In : Applied Physics Letters. 109, 8, 081103.

Research output: Contribution to journalArticle

12 Scopus citations