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Temperature - Pressure phase diagram of the cubic Laves phase AuPb
K. W. Chen, D. Graf, T. Besara +6
The temperature () as a function of pressure () phase diagram is reported for the cubic Laves phase compound AuPb, which was recently proposed to support linearly dispers…
Non-stoichiometry and Defects in the Weyl Semimetals TaAs, TaP, NbP, and NbAs
Tiglet Besara, Daniel Rhodes, Kuan-Wen Chen +6
We report a structural study of the Weyl semimetals TaAs, TaP, NbP, and NbAs, utilizing diffraction techniques (single crystal x-ray diffraction and energy dispersive spectroscopy)…
Metal to insulator quantum-phase transition in few-layered ReS
Nihar R. Pradhan, Amber McCreary, Daniel Rhodes +11
In ReS a layer-independent direct band-gap of 1.5 eV implies a potential for its use in optoelectronic applications. ReS crystallizes in the 1T-structure which l…
Optoelectronic switch based on intrinsic dual Schottky diodes in ambipolar MoSe field-effect transistors
Nihar R. Pradhan, Zhengguang Lu, Daniel Rhodes +3
Here, we report the observation of a hitherto unreported optoelectronic effect, namely a light-induced diode-like response in multi-layered MoSe field-effect transistors whose…
Unconventional Fermi surface in an insulating state
B. S. Tan, Y. -T. Hsu, B. Zeng +13
Insulators occur in more than one guise, a recent finding was a class of topological insulators, which host a conducting surface juxtaposed with an insulating bulk. Here we report…
High Photoresponsivity and Short Photo Response Times in Few-Layered WSe Transistors
Nihar R. Pradhan, Jonathan Ludwig, Zhengguang Lu +6
Here, we report the photoconducting response of field-effect transistors based on three atomic layers of chemical vapor transport grown WSe crystals mechanically exfoliated ont…