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| http://dx.doi.org/10.1016/j.anai.2020.09.004 | DOI Listing |
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Synthesis of Layered Gold Tellurides AuSbTe and AuTe and Their Semiconducting and Metallic Behavior.
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Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.
Previous studies on natural samples of pampaloite (AuSbTe) revealed the crystal structure of a potentially cleavable and/or exfoliable material, while studies on natural and synthetic montbrayite (Sb-containing AuTe) claimed various chemical compositions for this low-symmetry compound. Few investigations of synthetic samples have been reported for both materials, leaving much of their chemical, thermal, and electronic characteristics unknown. Here, we investigate the stability, electronic properties, and synthesis of the gold antimony tellurides AuSbTe and AuSbTe (montbrayite).
View Article and Find Full Text PDFComputational Assessment of - Curves and Tunability of 2D Semiconductor van der Waals Heterostructures.
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Department of Physics, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.
Two-dimensional (2D) transition metal dichalcogenides (TMDs) have received significant interest for use in tunnel field-effect transistors (TFETs) due to their ultrathin layers and tunable band gap features. In this study, we used density functional theory (DFT) to investigate the electronic properties of six TMD heterostructures, namely, MoSe/HfS, MoTe/ZrS, MoTe/HfS, WSe/HfS, WTe/ZrS, and WTe/HfS, focusing on variations in band alignments. We demonstrate that WTe/ZrS and WTe/HfS have the smallest band gaps (close to 0 or broken) from the considered set.
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Department of Population Health Sciences, Duke University School of Medicine, Durham, North Carolina.
Importance: More than 4 million Medicare beneficiaries have enrolled in dual-eligible Special Needs Plans (D-SNPs), and coordination-only D-SNPs are common. Little is known about the impact of coordination-only D-SNPs on Medicaid-covered services and spending, including long-term services and supports, which are financed primarily by Medicaid.
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