Metallic one-dimensional heterostructure for gas molecule sensing.

Prabal Dev Bhuyan, Sanjeev K Gupta, Rajeev Ahuja, P N Gajjar

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In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Prabal Dev BhuyanComputational Materials and Nanoscience Group, Department of Physics and Electronics, St. Xavier's College, Ahmedabad, 380009, India.

Sanjeev K GuptaComputational Materials and Nanoscience Group, Department of Physics and Electronics, St. Xavier's College, Ahmedabad, 380009, India. sanjeev.gupta@sxca.edu.in.

Rajeev AhujaCondensed Matter Theory Group, Department of Physics and Astronomy, Uppsala University, Box 516, 75120, Uppsala, Sweden.

P N GajjarDepartment of Physics, University School of Sciences, Gujarat University, Ahmedabad, 380009, India. pngajjar@gujaratuniversity.ac.in.

Funding

Science and Engineering Research Board YSS/2015/001269

6 · The paper itself

Abstract

We have investigated a new metallic core-shell nanowire (NW) geometry of that could be obtained experimentally, that is silicon (Si) and germanium (Ge) NWs with cores constituted by group-10 elements palladium (Pd) and platinum (Pt). These NWs are optimized with two different diameters of 1.5 Å and 2.5 Å. The nanowires having diameter of 1.5 Å show semi-metallic nature with GGA-PBE calculation and metallic nature while spin orbit interaction (SOC) is included. The quantum conductance of the NWs increases with the diameter of the nanowire. We have investigated current-voltage (IV) characteristics for the considered NWs. It has been found that current values in accordance with applied voltage show strong dependence on the diameter of the NWs. The optical study of the NWs shows that absorption co-efficient peak moves to lower energies; due to quantum confinement effect. Furthermore, we have extensively studied optical response of Pd and Pt based core-shell NWs in O

Identifiers

PMID33432069

DOI10.1038/s41598-020-79921-8

PMCPMC7801624

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.