Effects of altermagnetic order, strain and doping on the optical and vibrational properties of RuO$_2$

Authors: Wickramaratne, Darshana, Currie, Marc, Fields, Shelby S., Cress, Cory D., Bennett, Steven P.

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2502.08872

Nonradiative quenching of EPR signals in germanium-doped AlGaN: evidence for DX-center formation

Authors: Forbus, Jason, Wickramaratne, Darshana, Lyons, John L., Zvanut, M. E.

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2411.12896

Direct evidence for carbon incorporation on the nitrogen site in AlN

Authors: Wickramaratne, Darshana, Siford, Mackenzie, Mollik, Md Shafiqul Islam, Lyons, John L., Zvanut, M. E.

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2405.13299

Assessing the SCAN functional for deep defects and small polarons in wide-bandgap semiconductors and insulators

Authors: Wickramaratne, Darshana, Lyons, John L.

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2311.03634

The deep-acceptor nature of the chalcogen vacancies in 2D transition-metal dichalcogenides

Authors: Khalid, Shoaib, Medasani, Bharat, Lyons, John L., Wickramaratne, Darshana, Janotti, Anderson

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2309.14544

Ising superconductivity: a first-principles perspective

Authors: Wickramaratne, Darshana, Mazin, Igor I.

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2304.03759

Protection of Ising spin-orbit coupling in bulk misfit superconductors

Authors: Samuely, Tomas, Wickramaratne, Darshana, Gmitra, Martin, Jaouen, Thomas, Šofranko, Ondrej, Volavka, Dominik, Kuzmiak, Marek, Haniš, Jozef, Szabó, Pavol, Monney, Claude, Kremer, Geoffroy, Fèvre, Patrick Le, Bertran, François, Cren, Tristan, Sasaki, Shunsuke, Cario, Laurent, Calandra, Matteo, Mazin, Igor I., Samuely, Peter

Subject Terms: Condensed Matter - Superconductivity

Access URL: http://arxiv.org/abs/2304.03074

Modeling carrier trapping at semiconductor/dielectric interfaces based on first-principles calculations of nonradiative capture.

Authors: Shin, Yongjin¹, vandewalle@mrl.ucsb.edu, Turiansky, Mark E.², Wickramaratne, Darshana^1,3, Lee, Byounghak⁴, Van de Walle, Chris G.¹

Source: Journal of Applied Physics; 2/14/2025, Vol. 137 Issue 6, p1-13, 13p

Highly Efficient Spin—Orbit Torque Switching in Bi2Se3/Fe3GeTe2 van der Waals Heterostructures

Authors: Lohmann, Mark, Wickramaratne, Darshana, Moon, Jisoo, Noyan, Mehmet, Chuang, Hsun-Jen, Jonker, Berend T., Li, Connie H.

Source: ACS NANO. 18(1):680-690

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN632772261&indx=1&recIds=ETOCRN632772261

Defects in semiconductors.

Authors: Dreyer, Cyrus E.^1,2, Janotti, Anderson³, Lyons, John L.⁴, john.l.lyons27.civ@us.navy.mil, Wickramaratne, Darshana⁴

Source: Journal of Applied Physics; 11/21/2024, Vol. 136 Issue 19, p1-6, 6p

Nontrivial doping evolution of electronic properties in Ising-superconducting alloys

Authors: Wan, Wen, Wickramaratne, Darshana, Dreher, Paul, Harsh, Rishav, Mazin, I. I., Ugeda, Miguel M.

Source: Advanced Materials (2022)

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Strongly Correlated Electrons, Condensed Matter - Superconductivity

Access URL: http://arxiv.org/abs/2203.07432

Laser-patterned submicron Bi2Se3-WS2 pixels with tunable circular polarization at room temperature

Authors: Hennighausen, Zachariah, Wickramaratne, Darshana, McCreary, Kathleen M., Hudak, Bethany M., Brintlinger, Todd, Chuang, Hsun-Jen, Noyan, Mehmet A., Jonker, Berend T., Stroud, Rhonda M., Erve, Olaf M. vant

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Applied Physics, Physics - Chemical Physics, Physics - Optics

Access URL: http://arxiv.org/abs/2202.07495

Metallic vs. Semiconducting Properties of Quasi-One-Dimensional Tantalum Selenide van der Waals Nanoribbons

Authors: Kargar, Fariborz, Krayev, Andrey, Wurch, Michelle, Ghafouri, Yassamin, Debnath, Topojit, Wickramaratne, Darshana, Salguero, Tina T., Lake, Roger, Bartels, Ludwig, Balandin, Alexander A.

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Mesoscale and Nanoscale Physics

Access URL: http://arxiv.org/abs/2111.12829

Role of carbon and hydrogen in limiting $n$-type doping of monoclinic (Al$_x$Ga$_{1-x}$)$_2$O$_3$

Authors: Mu, Sai, Wang, Mengen, Varley, Joel B., Lyons, John L., Wickramaratne, Darshana, Van de Walle, Chris G.

Source: Physical Review B 105, 155201(2022)

Subject Terms: Condensed Matter - Materials Science, Physics - Computational Physics

Access URL: http://arxiv.org/abs/2111.07194

Stacking-Dependent Optical Properties in Bilayer WSe2

Authors: McCreary, Kathleen M., Phillips, Madeleine, Chuang, Hsun-Jen, Wickramaratne, Darshana, Rosenberger, Matthew, Hellberg, C. Stephen, Jonker, Berend T.

Source: Nanoscale, 2022, 14, 147

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2111.05704

Ising superconductivity in monolayer niobium dichalcogenide alloys

Authors: Wickramaratne, Darshana, Mazin, I. I.

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2108.05426

Dopants and defects in ultra-wide bandgap semiconductors

Authors: Lyons, John L., Wickramaratne, Darshana, Janotti, Anderson

Source: In Current Opinion in Solid State & Materials Science June 2024 30

Magnetism-driven unconventional effects in Ising superconductors: role of proximity, tunneling, and nematicity

Authors: Wickramaratne, Darshana, Haim, Menashe, Khodas, Maxim, Mazin, I. I.

Source: Phys. Rev. B 104, 060501 (2021)

Subject Terms: Condensed Matter - Superconductivity, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2101.12674

Nonrad: Computing Nonradiative Capture Coefficients from First Principles

Authors: Turiansky, Mark E., Alkauskas, Audrius, Engel, Manuel, Kresse, Georg, Wickramaratne, Darshana, Shen, Jimmy-Xuan, Dreyer, Cyrus E., Van de Walle, Chris G.

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2011.07433

Chiral charge-density wave in TiSe$_2$ due to photo-induced structural distortions

Authors: Wickramaratne, Darshana, Schaller, Richard, Wiederrecht, Gary, Karapetrov, Goran, Mazin, I. I.

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2010.00766