${\mathrm{Fe}}_{3}{\mathrm{GeTe}}_{2}$ is a two-dimensional van der Waals bonded layered compound that shows high-temperature itinerant ferromagnetism. We study aspects of the scattering mechanism in single crystal high-${T}_{\text{C}}\phantom{\rule{4pt}{0ex}}{\mathrm{Fe}}_{3}{\mathrm{GeTe}}_{2}$ via resistivity, magnetotransport, and Hall effect measurements. The quadratic temperature dependence electrical resistivity below ${T}_{\text{C}}$ (210 K) points towards dominance electron-magnon...

The concept of realization Weyl points close to the Fermi level in materials with broken time-reversal symmetry has significant theoretical and technological ramifications. Here, we review investigation magneto-transport measurements single crystals magnetic semimetal Co3Sn2S2. We see a turn-on like behaviour followed by saturation resistivity under field low temperature region which is allocated topological surface states. A non-saturating magnetoresistance, linear at high fields, observed...

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A discrepancy has been observed between the experimental behavior of electrical resistivity and temperature coefficient as a function film thickness in thin single-crystal silver films when compared with geometrical size effect theory. The attributed to change microstructure shown by transmission electron microscopy study lattice well energy quantization on conduction. calls for an exact calculation role structurally perfect films.

${\mathrm{Co}}_{3}{\mathrm{Sn}}_{2}{\mathrm{S}}_{2}$ has recently emerged as a ferromagnetic Weyl semimetal. Theoretical investigation of the spin-split bands predicted half metallicity in compound. Here, we report detection spin-polarized supercurrent through $\mathrm{Nb}/{\mathrm{Co}}_{3}{\mathrm{Sn}}_{2}{\mathrm{S}}_{2}$ point contact where Andreev reflection is seen to be large, indicating large deviation from metallicity. In fact, analysis spectra reveals very small spin polarization at...

In this paper, we present structural, magnetic, magnetocaloric, and critical study of perovskite La0.7Ag0.2Bi0.1MnO3 (LABMO) nanocrystalline compound synthesized by the sol–gel method. Temperature dependent magnetization measurements reveal significant suppression ferromagnetism in LABMO sample upon Bi-doping on a La-site. The downturn inverse magnetic susceptibility (χ−1) observed just above TC (236 K) paramagnetic regime corroborates presence short-range ferromagnetic correlations, which...

Hydatid disease is a lesion caused by larval form of Echinococcus granulosus and seen endemically in sheep-rearing countries. Humans are intermediate hosts this organism. The liver the first filter that stops about 75% embryos lungs another 10%, leaving only 15% to develop into cysts other organs body.

Abstract Experimental access to massless Weyl fermions through topological materials promises substantial technological ramifications. Here, we report magneto-transport properties of Bi 1− x Sb alloy near the quantum critical point = 3% and 3.5%. The two compositions that are synthesized studied single crystals 0.97 0.03 0.965 0.035 . We observe a transition from semimetal semiconductor with application magnetic field in both specimens. An extremely large transverse magnetoresistance (MR)...

We report the detailed study of structural/micro-structural and high magnetic field magneto transport properties Bi2Se3 single crystal. crystal is grown through conventional solid-state reaction route via self-flux method. Rietveld analysis on Powder X-ray Diffraction (PXRD) showed that studied crystallized in single-phase without any impurity. The surface morphology analyzed Scanning Electron Microscopy (SEM) which shows as-grown exhibit layered type structure quantitative weight% atomic...

We have studied the resistivity and magnetoresistance (MR) properties of recently predicted type-II Weyl semimetal WP2. Polycrystalline WP2 is synthesized using solid state reaction crystallizes in an orthorhombic structure with Cmc21 spacegroup. The temperature dependent enhanced application magnetic field a plateau observed at low temperatures. find small dip around 30K 5T suggesting that there might be metal-insulator-like transition higher fields. A non-saturating temperatures maximum MR...

An analysis of the results electrical resistivity measurements from 4.2 to 56 °K for single-crystal Ag films shows nature temperature variation as predicted by theory Azbel and Gurzhi based on Olsen effect.

The resistivity and transverse magnetoresistance properties of recently discovered magnetic Weyl semimetal Co3Sn2S2 is studied. synthesized using solid state reaction technique crystallizes in trigonal structure with space group R-3m(166). temperature dependent increases the application field plateau observed at low temperatures. A highest MR ∼ 215% 2K 6T no signs saturation. We find deviation from Kohler's rule non-linearity assigned to multiband effect.

We report successful growth of magnetic topological insulator (MTI) MnBi2Te4 single crystal by solid state reaction route via self flux method. The phase formation is strongly dependent on the heat treatment. grown in various phases i.e., MnBi4Te7, MnBi6Te10 and MnTe as seen powder X-ray diffraction (PXRD) crushed resultant crystal. Rietveld analysis shows some impurity lines along with main MnBi2Te4. Low temperature (10K) magneto-resistance (MR) applied field up to 6 Tesla exhibited –ve MR...

Topological semimetals with superconducting properties provide an emergent platform to explore the of topological superconductors. We report magnetization, and magneto-transport measurements on high quality single crystals transition metal dichalcogenide SnTaS2. It is a nodal line semimetal below Tc = 2.9 K. Moderate anisotropy (3.1) observed in upper critical fields along H||c H||ab plane. In normal state we observe large magneto-resistance weak anti-localization effect that unambiguous...

Recent experimental evidence for Weyl fermions in topological semimetals has attracted considerable attention. These materials are three-dimensional analogue of graphene. The present work is motivated by the recent prediction semi-metallic phase Bi1-xSbx alloys. In this paper we electronic transport properties studied under high applied magnetic fields Bi0.96Sb0.04 sample exhibits extremely magneto-resistance; MR(5 K, 8 T) = 9.8×104 %. This value comparable to MR observed recently discovered...