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Lateral-grain- rich polycrystalline MoS2 films have been prepared using sulfurization of the Mo-coated glass substrate. The goal of such synthesis is to achieve electrical bistability without fabricating a sandwiched structure that generally utilizes other materials, such as graphene or N-vinylcarbazole. These films show a symmetrical three-stage electrical behavior that follows a different charge...
The experimental discernment of TCIs (topological crystalline insulators) and other Dirac materials in recent times, has opened a new platform for their applications in spin-electronics and quantum computing. A very promising material in thermoelectric and photovoltaic applications, namely SnTe, has been increasingly investigated by band engineering, however, there is not sufficient verification of...
In a single-bandgap solar cell, efficiency is limited by the inability to efficiently convert the broad range of energy that photons possess in the solar spectrum. One of the effective ways of enhancing the efficiency of solar cells is to split the broad solar spectrum into smaller energy ranges and to utilize each range with a photovoltaic (PV) cell of the appropriately tuned bandgap. The conventional...
The clinical use of volatile organic compounds (VOCs) detection for improved and rapid diagnoses of various diseases possesses a significant potential for the correct and timely screening of such diseases. Tuberculosis (TB) is a major pulmonary disease of concern, and can potentially be diagnosed using breath analysis techniques. Various sensing methods have been demonstrated and utilized to detect...
Layered materials of metal based tellurides such as ZrTe5 have been investigated recently as 3D Dirac semi-metals using ARPES and Landau level spectroscopy. These materials have exhibited exotic transport, topological, diamagnetic and chiral magnetic properties making them potentially useful for spintronics and topological qubits applications. In this line of investigation, we study a novel class...
The design and development of topological insulators (TIs) as well as novel Dirac materials including Weyl semimetals has expanded a new field of condensed matter physics due to their potential applications in spin-electronics, quantum computing, and thermoelectrical device. Various new materials have been proposed and investigated, however, Pb and Sn based topological insulators are a top choice...
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