Amit Vashist
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View article: Electrochemical detection techniques and usage of nanoparticles in cancer detection
Electrochemical detection techniques and usage of nanoparticles in cancer detection Open
This paper reviews electrochemical detection techniques for cancer, focusing on the use of biomarkers and nanomaterials. The research explains that cancer, characterized by abnormal cell division, is often terminal in its late stages but t…
View article: Exploring unconventional superconductivity in PdTe via Point Contact Spectroscopy
Exploring unconventional superconductivity in PdTe via Point Contact Spectroscopy Open
Palladium Telluride (PdTe), a non-layered intermetallic crystalline compound, has captured attention for its unique superconducting properties and strong spin-orbit coupling. In this work, we investigate the superconducting state of PdTe u…
View article: A quantized anomalous Hall effect above 4.2 K in stacked topological insulator/magnet bilayers
A quantized anomalous Hall effect above 4.2 K in stacked topological insulator/magnet bilayers Open
Quantized anomalous Hall effects (QAHEs) occur in remarkable electronic states which possess not only quantized Hall signals but in some cases regions of dissipationless electron transport. The initial demonstrations of a QAHE in a magneti…
View article: Multigap superconductivity with non-trivial topology in a Dirac semimetal PdTe
Multigap superconductivity with non-trivial topology in a Dirac semimetal PdTe Open
Recently, PdTe has been identified as a Dirac semimetal with potential for unconventional superconductivity based on ARPES measurements. This study presents electrical transport and magnetization measurements conducted on high-quality sing…
View article: Gate-Tunable Anomalous Hall Effect in a 3D Topological Insulator/2D Magnet van der Waals Heterostructure
Gate-Tunable Anomalous Hall Effect in a 3D Topological Insulator/2D Magnet van der Waals Heterostructure Open
We demonstrate advantages of samples made by mechanical stacking of exfoliated van der Waals materials for controlling the topological surface state of a 3-dimensional topological insulator (TI) via interaction with an adjacent magnet laye…
View article: Nanomechanical Characterization of an Antiferromagnetic Topological Insulator
Nanomechanical Characterization of an Antiferromagnetic Topological Insulator Open
The antiferromagnetic topological insulator MnBi2Te4 (MBT) exhibits an ideal platform to study exotic topological phenomena and magnetic properties. The transport signatures of magnetic phase transitions in the MBT family materials have be…
View article: Anomalous negative longitudinal magnetoresistance and violation of Ohm's law deep in the topological insulating regime in Bi$$_{1-x}$$Sb$$_x$$
Anomalous negative longitudinal magnetoresistance and violation of Ohm's law deep in the topological insulating regime in Bi$$_{1-x}$$Sb$$_x$$ Open
View article: The de Haas–van Alphen Effect Study of the Fermi Surface of LaBi
The de Haas–van Alphen Effect Study of the Fermi Surface of LaBi Open
We report temperature dependent transport and magnetization measurements on high quality single crystal of rare earth monopnictide LaBi.Extremely large and nonsaturating magnetoresistance (MR ~ 10 5 %) has been observed at low temperature …
View article: Fermi surface topology and large magnetoresistance in the topological semimetal candidate PrBi
Fermi surface topology and large magnetoresistance in the topological semimetal candidate PrBi Open
We report a detailed magnetotransport study on single crystals of PrBi. The\npresence of $f$-electrons in this material raises the prospect of realizing a\nstrongly correlated version of topological semimetals. PrBi shows a magnetic\nfield…
View article: Observation of planar Hall effect in Type-II Dirac semimetal PtTe$_{2}$
Observation of planar Hall effect in Type-II Dirac semimetal PtTe$_{2}$ Open
We report experimental observation of the Planar Hall effect (PHE) in a type-II Dirac semimetal PtTe$_2$. This unusual Hall effect is not expected in nonmagnetc materials such as PtTe$_2$, and has been observed previously mostly in magneti…