Works (24)

Updated: January 15th, 2026 14:32

2025 article

AlGaN based UVC LEDs on AlN with reflective contacts

Kirste, R., Loveless, J., Almeter, J., Moody, B., Reddy, P., Rathkanthiwar, S., … Sitar, Z. (2025, March 19). (Vol. 3). Vol. 3.

By: R. Kirste*, J. Loveless n, J. Almeter n, B. Moody*, P. Reddy*, S. Rathkanthiwar n, D. Khachariya*, R. Collazo n, Z. Sitar n

topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; Gas Sensing Nanomaterials and Sensors
Sources: NC State University Libraries, NC State University Libraries
Added: January 13, 2026

2025 article

Mg-annealed anode contacts to reduce the on-resistance of GaN pn diodes formed via Mg implantation and ultra-high pressure annealing

Hasan, M. A., Alessi, M., Khachariya, D., Mecouch, W., Mita, S., Reddy, P., … Pavlidis, S. (2025, August 15). Applied Physics Express, Vol. 18.

By: M. Hasan n, M. Alessi n, D. Khachariya n, W. Mecouch*, S. Mita*, P. Reddy n, K. Sierakowski*, T. Sochacki* ...

author keywords: ion implantation; gallium nitride; magnesium; ohmic contact; pn junction diode; ultra-high pressure annealing; power electronics
topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Ga2O3 and related materials
Sources: Web Of Science, NC State University Libraries
Added: September 29, 2025

2024 article

High-current, high-voltage AlN Schottky barrier diodes

Quiñones, C. E., Khachariya, D., Reddy, P., Mita, S., Almeter, J., Bagheri, P., … Sitar, Z. (2024, September 30). Applied Physics Express, Vol. 17.

By: C. Quiñones n, D. Khachariya*, P. Reddy*, S. Mita*, J. Almeter n, P. Bagheri n, S. Rathkanthiwar n, R. Kirste* ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Acoustic Wave Resonator Technologies; Ga2O3 and related materials; Semiconductor materials and devices
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 1, 2024

2023 article

Analysis of Vertical GaN JBS and p-n Diodes by Mg Ion Implantation and Ultrahigh-Pressure Annealing

Stein, S. R., Khachariya, D., Mecouch, W., Mita, S., Reddy, P., Tweedie, J., … Pavlidis, S. (2023, December 12). IEEE Transactions on Electron Devices, Vol. 12, pp. 1494–1501.

By: S. Stein n, D. Khachariya*, W. Mecouch*, S. Mita*, P. Reddy*, J. Tweedie*, K. Sierakowski*, G. Kamler* ...

Contributors: S. Stein n, D. Khachariya*, W. Mecouch*, S. Mita*, P. Reddy*, J. Tweedie*, K. Sierakowski*, G. Kamler* ...

author keywords: Schottky diodes; Annealing; Ion implantation; Schottky barriers; P-n junctions; Resistance; Gallium nitride; junction barrier Schottky (JBS) diode; Mg activation; p-n diode; power semiconductor device; Schottky contact; ultrahigh-pressure annealing (UHPA); vertical GaN
topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Silicon Carbide Semiconductor Technologies
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 2, 2024

2023 article

Anderson transition in compositionally graded p-AlGaN

Rathkanthiwar, S., Reddy, P., Quiñones, C. E., Loveless, J., Kamiyama, M., Bagheri, P., … Sitar, Z. (2023, November 15). Journal of Applied Physics, Vol. 134.

By: S. Rathkanthiwar n, P. Reddy*, C. Quiñones n, J. Loveless n, M. Kamiyama n, P. Bagheri n, D. Khachariya*, T. Eldred n ...

Contributors: S. Rathkanthiwar n, P. Reddy*, C. Quiñones n, J. Loveless n, M. Kamiyama n, P. Bagheri n, D. Khachariya*, T. Eldred n ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; Acoustic Wave Resonator Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 16, 2023

2023 article

Chemical Vapor Deposition of Monolayer MoS2 on Chemomechanically Polished N-Polar GaN for Future 2D/3D Heterojunction Optoelectronics

Sengupta, R., Vaidya, S., Szymanski, D., Khachariya, D., Bockowski, M., Kamler, G., … Pavlidis, S. (2023, March 24). ACS Applied Nano Materials.

By: R. Sengupta n, S. Vaidya n, D. Szymanski n, D. Khachariya*, M. Bockowski*, G. Kamler*, P. Reddy*, Z. Sitar n, R. Collazo n, S. Pavlidis n

Contributors: R. Sengupta n, S. Vaidya n, D. Szymanski n, D. Khachariya*, M. Bockowski*, G. Kamler*, P. Reddy*, Z. Sitar n, R. Collazo n, S. Pavlidis n

author keywords: N-polar; gallium nitride; chemomechanical polishing; MoS 2; monolayer; chemical vapor deposition
topics (OpenAlex): 2D Materials and Applications; MXene and MAX Phase Materials; Nanowire Synthesis and Applications
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 25, 2023

2023 article

Demonstration of near-ideal Schottky contacts to Si-doped AlN

Quiñones, C. E., Khachariya, D., Bagheri, P., Reddy, P., Mita, S., Kirste, R., … Sitar, Z. (2023, October 23). Applied Physics Letters, Vol. 123.

By: C. Quiñones n, D. Khachariya*, P. Bagheri n, P. Reddy*, S. Mita*, R. Kirste*, S. Rathkanthiwar n, J. Tweedie* ...

Contributors: C. Quiñones n, D. Khachariya*, P. Bagheri n, P. Reddy*, S. Mita*, R. Kirste*, S. Rathkanthiwar n, J. Tweedie* ...

topics (OpenAlex): Semiconductor materials and devices; GaN-based semiconductor devices and materials; Silicon Carbide Semiconductor Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 25, 2023

2023 article

High conductivity in Ge-doped AlN achieved by a non-equilibrium process

Bagheri, P., Quiñones-Garcia, C., Khachariya, D., Loveless, J., Guan, Y., Rathkanthiwar, S., … Sitar, Z. (2023, April 3). Applied Physics Letters, Vol. 122.

By: P. Bagheri n, C. Quiñones-Garcia n, D. Khachariya*, J. Loveless n, Y. Guan n, S. Rathkanthiwar n, P. Reddy*, R. Kirste* ...

Contributors: P. Bagheri n, C. Quiñones-Garcia n, D. Khachariya*, J. Loveless n, Y. Guan n, S. Rathkanthiwar n, P. Reddy*, R. Kirste* ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Ga2O3 and related materials
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 6, 2023

2023 article

High p-conductivity in AlGaN enabled by polarization field engineering

Rathkanthiwar, S., Reddy, P., Moody, B., Quiñones-García, C., Bagheri, P., Khachariya, D., … Sitar, Z. (2023, April 10). Applied Physics Letters, Vol. 122.

By: S. Rathkanthiwar n, P. Reddy*, B. Moody*, C. Quiñones-García n, P. Bagheri n, D. Khachariya*, R. Dalmau*, S. Mita* ...

Contributors: S. Rathkanthiwar n, P. Reddy*, B. Moody*, C. Quiñones-García n, P. Bagheri n, D. Khachariya*, R. Dalmau*, S. Mita* ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Thermal properties of materials
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 19, 2023

2023 article

Schottky contacts on ultra-high-pressure-annealed GaN with high rectification ratio and near-unity ideality factor

Stein, S. R., Khachariya, D., Mita, S., Breckenridge, M. H., Tweedie, J., Reddy, P., … Pavlidis, S. (2023, March 1). Applied Physics Express, Vol. 16.

By: S. Stein n, D. Khachariya*, S. Mita*, M. Breckenridge n, J. Tweedie*, P. Reddy*, K. Sierakowski*, G. Kamler* ...

Contributors: S. Stein n, D. Khachariya*, S. Mita*, M. Breckenridge n, J. Tweedie*, P. Reddy*, K. Sierakowski*, G. Kamler* ...

author keywords: GaN; JBS diode; Schottky contact; ultra-high-pressure-annealing; ideality factor; ion implantation; barrier height
topics (OpenAlex): Semiconductor materials and interfaces; GaN-based semiconductor devices and materials; Semiconductor materials and devices
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 17, 2023

2022 article

Design and performance analysis of GaN vertical JFETs with ion-implanted gates

Stein, S. R., Khachariya, D., & Pavlidis, S. (2022, October 24). Semiconductor Science and Technology.

By: S. Stein*, D. Khachariya* & S. Pavlidis*

author keywords: design; GaN; TCAD; ion implantation; Mg diffusion; junction field-effect transistor (JFET); Mg activation
topics (OpenAlex): GaN-based semiconductor devices and materials; Silicon Carbide Semiconductor Technologies; Semiconductor materials and devices
Source: Web Of Science
Added: November 21, 2022

2022 article

Doping and compensation in heavily Mg doped Al-rich AlGaN films

Bagheri, P., Klump, A., Washiyama, S., Breckenridge, M. H., Kim, J. H., Guan, Y., … Sitar, Z. (2022, February 21). Applied Physics Letters, Vol. 2.

By: P. Bagheri n, A. Klump n, S. Washiyama n, M. Breckenridge n, J. Kim n, Y. Guan n, D. Khachariya n, C. Quiñones-García n ...

Contributors: P. Bagheri n, A. Klump n, S. Washiyama n, M. Breckenridge n, J. Kim n, Y. Guan n, D. Khachariya n, C. Quiñones-García n ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; Semiconductor materials and devices
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 20, 2022

2022 article

GaN lateral polar junction arrays with 3D control of doping by supersaturation modulated growth: A path toward III-nitride superjunctions

Szymanski, D., Khachariya, D., Eldred, T. B., Bagheri, P., Washiyama, S., Chang, A., … Sitar, Z. (2022, January 3). Journal of Applied Physics, Vol. 1.

By: D. Szymanski n, D. Khachariya n, T. Eldred n, P. Bagheri n, S. Washiyama n, A. Chang*, S. Pavlidis n, R. Kirste* ...

Contributors: D. Szymanski n, D. Khachariya n, T. Eldred n, P. Bagheri n, S. Washiyama n, A. Chang*, S. Pavlidis n, R. Kirste* ...

topics (OpenAlex): Metal and Thin Film Mechanics; GaN-based semiconductor devices and materials; Semiconductor materials and devices
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 4, 2022

2022 article

High electron mobility in AlN:Si by point and extended defect management

Bagheri, P., Quiñones-Garcia, C., Khachariya, D., Rathkanthiwar, S., Reddy, P., Kirste, R., … Sitar, Z. (2022, November 9). Journal of Applied Physics, Vol. 11.

Contributors: P. Bagheri n, C. Quiñones-Garcia n, D. Khachariya n, S. Rathkanthiwar n, P. Reddy n, R. Kirste n, S. Mita n, J. Tweedie n, R. Collazo n, Z. Sitar n

topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Ga2O3 and related materials
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 10, 2022

2022 article

Large‐Area, Solar‐Blind, Sub‐250 nm Detection AlGaN Avalanche Photodiodes Grown on AlN Substrates

Reddy, P., Mecouch, W., Breckenridge, M. H., Khachariya, D., Bagheri, P., Kim, J. H., … Sitar, Z. (2022, February 19). Physica Status Solidi (RRL) - Rapid Research Letters, Vol. 3, p. 2100619.

By: P. Reddy*, W. Mecouch*, M. Breckenridge n, D. Khachariya n, P. Bagheri n, J. Kim n, Y. Guan n, S. Mita* ...

Contributors: P. Reddy*, W. Mecouch*, M. Breckenridge n, D. Khachariya n, P. Bagheri n, J. Kim n, Y. Guan n, S. Mita* ...

author keywords: AlGaN; APD; UVC
topics (OpenAlex): Ga2O3 and related materials; GaN-based semiconductor devices and materials; ZnO doping and properties
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 11, 2022

2022 article

Low resistivity, p-type, N-Polar GaN achieved by chemical potential control

Rathkanthiwar, S., Szymanski, D., Khachariya, D., Bagheri, P., Kim, J. H., Mita, S., … Sitar, Z. (2022, July 19). Applied Physics Express, Vol. 8.

By: S. Rathkanthiwar n, D. Szymanski n, D. Khachariya n, P. Bagheri n, J. Kim n, S. Mita*, P. Reddy*, E. Kohn n ...

Contributors: S. Rathkanthiwar n, D. Szymanski n, D. Khachariya n, P. Bagheri n, J. Kim n, S. Mita*, P. Reddy*, E. Kohn n ...

author keywords: N-polar GaN; p doping; compensation; chemical potential control
topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; ZnO doping and properties
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 8, 2022

2022 article

Point-defect management in homoepitaxially grown Si-doped GaN by MOCVD for vertical power devices

Rathkanthiwar, S., Bagheri, P., Khachariya, D., Mita, S., Pavlidis, S., Reddy, P., … Collazo, R. (2022, April 7). Applied Physics Express, Vol. 5.

Contributors: S. Rathkanthiwar n, P. Bagheri n, D. Khachariya n, S. Mita*, S. Pavlidis n, P. Reddy*, R. Kirste*, J. Tweedie*, Z. Sitar n, R. Collazo n

topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; ZnO doping and properties; Silicon Carbide Semiconductor Technologies
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 25, 2022

2022 article

Record >10 MV/cm mesa breakdown fields in Al0.85Ga0.15N/Al0.6Ga0.4N high electron mobility transistors on native AlN substrates

Khachariya, D., Mita, S., Reddy, P., Dangi, S., Dycus, J. H., Bagheri, P., … Pavlidis, S. (2022, April 25). Applied Physics Letters, Vol. 4.

By: D. Khachariya n, S. Mita*, P. Reddy*, S. Dangi n, J. Dycus*, P. Bagheri n, M. Breckenridge n, R. Sengupta n ...

Contributors: D. Khachariya n, S. Mita*, P. Reddy*, S. Dangi n, J. Dycus*, P. Bagheri n, M. Breckenridge n, R. Sengupta n ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; ZnO doping and properties
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 31, 2022

2022 article

Vertical GaN junction barrier Schottky diodes with near-ideal performance using Mg implantation activated by ultra-high-pressure annealing

Khachariya, D., Stein, S., Mecouch, W., Breckenridge, M. H., Rathkanthiwar, S., Mita, S., … Sitar, Z. (2022, September 5). Applied Physics Express, Vol. 10.

By: D. Khachariya*, S. Stein n, W. Mecouch*, M. Breckenridge n, S. Rathkanthiwar n, S. Mita*, B. Moody*, P. Reddy* ...

Contributors: D. Khachariya*, S. Stein n, W. Mecouch*, M. Breckenridge n, S. Rathkanthiwar n, S. Mita*, B. Moody*, P. Reddy* ...

author keywords: GaN; junction barrier Schottky diode; low ON-resistance; high breakdown voltage; Mg ion implantation; ultra-high-pressure anneal
topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; Silicon Carbide Semiconductor Technologies
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 3, 2022

2021 article

High n-type conductivity and carrier concentration in Si-implanted homoepitaxial AlN

Breckenridge, M. H., Bagheri, P., Guo, Q., Sarkar, B., Khachariya, D., Pavlidis, S., … Sitar, Z. (2021, March 15). Applied Physics Letters, Vol. 118.

By: M. Breckenridge n, P. Bagheri n, Q. Guo n, B. Sarkar n, D. Khachariya n, S. Pavlidis n, J. Tweedie*, R. Kirste* ...

Contributors: M. Breckenridge n, P. Bagheri n, Q. Guo n, B. Sarkar n, D. Khachariya n, S. Pavlidis n, J. Tweedie*, R. Kirste* ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Metal and Thin Film Mechanics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 17, 2021

2021 article

On electrical analysis of Al-rich p-AlGaN films for III-nitride UV light emitters

Jadhav, A., Bagheri, P., Klump, A., Khachariya, D., Mita, S., Reddy, P., … Sarkar, B. (2021, November 5). Semiconductor Science and Technology, Vol. 11.

By: A. Jadhav*, P. Bagheri n, A. Klump n, D. Khachariya n, S. Mita*, P. Reddy*, S. Rathkanthiwar n, R. Kirste* ...

Contributors: A. Jadhav*, P. Bagheri n, A. Klump n, D. Khachariya n, S. Mita*, P. Reddy*, S. Rathkanthiwar n, R. Kirste* ...

author keywords: III-nitride; Mg-doped AlGaN; ionization energy; mobility; contact resistance
topics (OpenAlex): GaN-based semiconductor devices and materials; Ga2O3 and related materials; Semiconductor materials and devices
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 6, 2021

2021 article

On the Ge shallow-to-deep level transition in Al-rich AlGaN

Bagheri, P., Reddy, P., Mita, S., Szymanski, D., Kim, J. H., Guan, Y., … Sitar, Z. (2021, August 3). Journal of Applied Physics, Vol. 8.

By: P. Bagheri n, P. Reddy n, S. Mita n, D. Szymanski n, J. Kim n, Y. Guan n, D. Khachariya n, A. Klump n ...

Contributors: P. Bagheri n, P. Reddy n, S. Mita n, D. Szymanski n, J. Kim n, Y. Guan n, D. Khachariya n, A. Klump n ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Ga2O3 and related materials
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 4, 2021

2021 article

On the characteristics of N-polar GaN Schottky barrier contacts with LPCVD SiN interlayers

Khachariya, D., Szymanski, D., Breckenridge, M. H., Reddy, P., Kohn, E., Sitar, Z., … Pavlidis, S. (2021, March 22). Applied Physics Letters, Vol. 118.

By: D. Khachariya n, D. Szymanski n, M. Breckenridge n, P. Reddy*, E. Kohn n, Z. Sitar n, R. Collazo n, S. Pavlidis n

Contributors: D. Khachariya n, D. Szymanski n, M. Breckenridge n, P. Reddy*, E. Kohn n, Z. Sitar n, R. Collazo n, S. Pavlidis n

topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and interfaces; Semiconductor materials and devices
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 24, 2021

2021 article

Study on avalanche breakdown and Poole–Frenkel emission in Al-rich AlGaN grown on single crystal AlN

Reddy, P., Khachariya, D., Mecouch, W., Breckenridge, M. H., Bagheri, P., Guan, Y., … Sitar, Z. (2021, November 1). Applied Physics Letters, Vol. 11.

By: P. Reddy*, D. Khachariya n, W. Mecouch*, M. Breckenridge n, P. Bagheri n, Y. Guan n, J. Kim n, S. Pavlidis n ...

Contributors: P. Reddy*, D. Khachariya n, W. Mecouch*, M. Breckenridge n, P. Bagheri n, Y. Guan n, J. Kim n, S. Pavlidis n ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Semiconductor materials and devices; Ga2O3 and related materials
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 3, 2021

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