Search Results - "Wickramasinghe, Kaushini S"

Gate controlled anomalous phase shift in Al/InAs Josephson junctions by Mayer, William, Dartiailh, Matthieu C., Yuan, Joseph, Wickramasinghe, Kaushini S., Rossi, Enrico, Shabani, Javad

“…In a standard Josephson junction the current is zero when the phase difference between superconducting leads is zero. This condition is protected by parity and…”
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Phase Signature of Topological Transition in Josephson Junctions by Dartiailh, Matthieu C, Mayer, William, Yuan, Joseph, Wickramasinghe, Kaushini S, Matos-Abiague, Alex, Žutić, Igor, Shabani, Javad

“…Topological superconductivity holds promise for fault-tolerant quantum computing. While planar Josephson junctions are attractive candidates to realize this…”
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Missing Shapiro steps in topologically trivial Josephson junction on InAs quantum well by Dartiailh, Matthieu C., Cuozzo, Joseph J., Elfeky, Bassel H., Mayer, William, Yuan, Joseph, Wickramasinghe, Kaushini S., Rossi, Enrico, Shabani, Javad

“…Josephson junctions hosting Majorana fermions have been predicted to exhibit a 4 π periodic current phase relation. One experimental consequence of this…”
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Molecular Beam Epitaxy of Twin-Free Bi2Se3 and Sb2Te3 on In2Se3/InP(111)B Virtual Substrates by Wickramasinghe, Kaushini S., Forrester, Candice, Tamargo, Maria C.

“…Three-dimensional topological insulators (3D-TIs) are a new generation of materials with insulating bulk and exotic metallic surface states that facilitate a…”
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Superconducting proximity effect in epitaxial Al-InAs heterostructures by Mayer, William, Yuan, Joseph, Wickramasinghe, Kaushini S., Nguyen, Tri, Dartiailh, Matthieu C., Shabani, Javad

“…Semiconductor-based Josephson junctions provide a platform for studying the proximity effect due to the possibility of tuning junction properties by gate…”
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Epitaxial Al-InAs Heterostructures as Platform for Josephson Junction Field-Effect Transistor Logic Devices by Wen, Feng, Yuan, Joseph, Wickramasinghe, Kaushini S., Mayer, William, Shabani, Javad, Tutuc, Emanuel

“…We fabricate Josephson junction field-effect transistors (JJ-FETs) using InAs quantum well heterostructure as the channel, epitaxial Al as superconducting…”
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Transport properties of near surface InAs two-dimensional heterostructures by Wickramasinghe, Kaushini S., Mayer, William, Yuan, Joseph, Nguyen, Tri, Jiao, Lucy, Manucharyan, Vladimir, Shabani, Javad

“…Two-dimensional electron systems confined to the surface of narrowband semiconductors have attracted great interest since they can easily integrate with…”
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Formation of Twin-Free Single Phase β‑In2Se3 Layers via Selenium Diffusion into InP(111)B Substrate by Wickramasinghe, Kaushini S., Forrester, Candice R., McCartney, Martha R., Smith, David J., Tamargo, Maria C.

“…Indium selenide, In2Se3, has recently attracted growing interest due to its remarkable properties, including room temperature ferroelectricity, outstanding…”
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Superconducting Proximity Effect in InAsSb Surface Quantum Wells with In Situ Al Contacts by Mayer, William, Schiela, William F, Yuan, Joseph, Hatefipour, Mehdi, Sarney, Wendy L, Svensson, Stefan P, Leff, Asher C, Campos, Tiago, Wickramasinghe, Kaushini S, Dartiailh, Matthieu C, Žutić, Igor, Shabani, Javad

“…We demonstrate a robust superconducting proximity effect in InAs0.5Sb0.5 quantum wells grown with epitaxial Al contacts, which has important implications for…”
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Formation of Twin-Free Single Phase β-In 2 Se 3 Layers via Selenium Diffusion into InP(111)B Substrate by Wickramasinghe, Kaushini S., Forrester, Candice R., McCartney, Martha R., Smith, David J., Tamargo, Maria C.

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Epitaxial superconductor-semiconductor two-dimensional systems for superconducting quantum circuits by O’Connell Yuan, Joseph, Wickramasinghe, Kaushini S., Strickland, William M., Dartiailh, Matthieu C., Sardashti, Kasra, Hatefipour, Mehdi, Shabani, Javad

“…Qubits on solid state devices could potentially provide the rapid control necessary for developing scalable quantum information processors. Materials…”
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Molecular Beam Epitaxy of Twin-Free Bi[sub.2]Se[sub.3] and Sb[sub.2]Te[sub.3] on In[sub.2]Se[sub.3]/InPB Virtual Substrates by Wickramasinghe, Kaushini S, Forrester, Candice, Tamargo, Maria C

“…Three-dimensional topological insulators (3D-TIs) are a new generation of materials with insulating bulk and exotic metallic surface states that facilitate a…”
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Molecular Beam Epitaxy of Twin-Free Bi2Se3 and Sb2Te3 on In2Se3/InP(111)B Virtual Substrates by Wickramasinghe, Kaushini S, Forrester, Candice, Tamargo, Maria C

“…Three-dimensional topological insulators (3D-TIs) are a new generation of materials with insulating bulk and exotic metallic surface states that facilitate a…”
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Formation of Beta-Indium Selenide Layers Grown via Selenium Passivation of InP(111)B Substrate by Wickramasinghe, Kaushini S, Forrester, Candice, McCartney, Martha R, Smith, David J, Tamargo, Maria C

“…Indium selenide, In2Se3, has recently attracted growing interest due to its novel properties, including room temperature ferroelectricity, outstanding…”
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Phase signature of topological transition in Josephson Junctions by Dartiailh, Matthieu C, Mayer, William, Yuan, Joseph, Wickramasinghe, Kaushini S, Matos-Abiague, Alex, Žutić, Igor, Shabani, Javad

“…Phys. Rev. Lett. 126, 036802 (2021) Topological superconductivity holds promise for fault-tolerant quantum computing. While planar Josephson junctions are…”
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Epitaxial Superconductor-Semiconductor Two-Dimensional Systems for Superconducting Quantum Circuits by Yuan, Joseph O'Connell, Wickramasinghe, Kaushini S, Strickland, William M, Dartiailh, Matthieu C, Sardashti, Kasra, Hatefipour, Mehdi, Shabani, Javad

“…Journal of Vacuum Science & Technology A 39, 033407 (2021) Qubits on solid state devices could potentially provide the rapid control necessary for developing…”
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Missing Shapiro steps in topologically trivial Josephson Junction on InAs quantum well by Dartiailh, Matthieu C, Cuozzo, Joseph J, Mayer, William, Yuan, Joseph, Wickramasinghe, Kaushini S, Rossi, Enrico, Shabani, Javad

“…Nature Communications, 12, 78 (2021) Josephson junctions hosting Majorana fermions have been predicted to exhibit a 4$\pi$ periodic current phase relation. The…”
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Gate Controlled Anomalous Phase Shift in Al/InAs Josephson Junctions by Mayer, William, Dartiailh, Matthieu C, Yuan, Joseph, Wickramasinghe, Kaushini S, Rossi, Enrico, Shabani, Javad

“…Nature Communications 11, 212 (2020) In a standard Josephson junction the current is zero when the phase difference between the superconducting leads is zero…”
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Experimental Measurements of Effective Mass in Near Surface InAs Quantum Wells by Yuan, Joseph, Hatefipour, Mehdi, Magill, Brenden A, Mayer, William, Dartiailh, Matthieu C, Sardashti, Kasra, Wickramasinghe, Kaushini S, Khodaparast, Giti A, Matsuda, Yasuhiro H, Kohama, Yoshimitsu, Yang, Zhuo, Thapa, Sunil, Stanton, Christopher J, Shabani, Javad

“…Phys. Rev. B 101, 205310 (2020) Near surface indium arsenide quantum wells have recently attracted a great deal of interest since they can be interfaced…”
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Superconducting proximity effect in InAsSb surface quantum wells with in-situ Al contact by Mayer, William, Schiela, William F, Yuan, Joseph, Hatefipour, Mehdi, Sarney, Wendy L, Svensson, Stefan P, Leff, Asher C, Campos, Tiago, Wickramasinghe, Kaushini S, Dartiailh, Matthieu C, Zutic, Igor, Shabani, Javad

“…ACS Applied Electronic Materials 2020 We demonstrate robust superconducting proximity effect in InAs$_{0.5}$Sb$_{0.5}$ quantum wells grown with epitaxial Al…”
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