Výsledky vyhledávání - "Singh, Anupam K."

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Pressure induced isostructural phase transition in biskyrmion host hexagonal MnNiGa

Autor: Singh, Anupam K., Devi, Parul, Jena, Ajit K., Modanwal, Ujjawal, Lee, Seung-Cheol, Bhattacharjee, Satadeep, Joseph, Boby, Singh, Sanjay

Magnetic skyrmions are vortex-like spin textures, which can be manipulated by external stress or pressure via magnetoelastic effects. Here, we present the observation of isostructural phase transition in a biskyrmion host hexagonal MnNiGa at a pressu

Externí odkaz: http://arxiv.org/abs/2204.03228

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Robust evidence for the stabilization of the premartensite phase in Ni-Mn-In magnetic shape memory alloys by chemical pressure

Autor: Singh, Anupam K., Singh, Sanjay, Dutta, B., Dubey, K. K., Joseph, Boby, Rawat, R., Pandey, Dhananjai

Publikováno v: Physical Review MATERIALS 5, 113607 (2021)

The thermodynamic stability of the premartensite (PM) phase has been a topic of extensive investigation in shape memory alloys as it affects the main martensite phase transition and the related physical properties. In general, the PM phase is stable

Externí odkaz: http://arxiv.org/abs/2110.12154

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Anomalous Hall effect from gapped nodal line in Co2FeGe Heusler compound

Autor: Shukla, Gaurav K., Sau, Jyotirmay, Shahi, Nisha, Singh, Anupam K., Kumar, Manoranjan, Singh, Sanjay

Full Heusler compounds with Cobalt as a primary element show anomalous transport properties owing to the Weyl fermions and broken time-reversal symmetry. We present here the study of anomalous Hall effect (AHE) in Co2FeGe Heusler compound. The experi

Externí odkaz: http://arxiv.org/abs/2110.10677

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Precursor of the premartensite in Ni2MnGa magnetic shape memory alloy: A pair distribution function study

Autor: Singh, Anupam K., Singh, Sanjay, Pandey, Dhananjai

Publikováno v: Phys. Rev. B 104, 064110 (2021)

Precursor phenomena observed prior to the martensite phase transition plays a critical role towards the understanding of important technological properties of shape memory and magnetic shape memory alloys (MSMAs). The premartensite (PM) phase, consid

Externí odkaz: http://arxiv.org/abs/2102.13024

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Temperature dependence of the anomalous Nernst effect in Ni$_{2}$MnGa shape memory alloy

Autor: De, Avirup, Singh, Anupam K., Singh, Sanjay, Nair, Sunil

Publikováno v: Phys. Rev. B 103, 020404 (2021)

We report a detailed investigation of the Ni$_{2}$MnGa shape memory alloy through magnetic, electronic, and thermal measurements. Our measurements of the anomalous Nernst effect (ANE) reveal that this technique is very sensitive to the onset of the p

Externí odkaz: http://arxiv.org/abs/2004.12562

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Improved crystallographic compatibility and magnetocaloric reversibility in Pt substituted Ni2Mn1.4In0.6 magnetic shape memory Heusler alloy

Autor: Dubey, K. K., Devi, P., Singh, Anupam K., Singh, Sanjay

Publikováno v: Journal of Magnetism and Magnetic Materials, Volume 507, 1 August 2020, 166818

We present here the improved crystallographic/geometric compatibility and magnetocaloric reversibility by measurement of magnetic entropy change using different protocols in 10% Pt substituted Ni2Mn1.4In0.6 magnetic shape memory alloy. The substituti

Externí odkaz: http://arxiv.org/abs/2004.01854

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