Výsledky vyhledávání - "Umesh V. Waghmare"

Akademický článek

Accelerating search for the polar phase stability of ferroelectric oxide by machine learning

Autor: Md Mokhlesur Rahman, Shazia Janwari, Minsu Choi, Umesh V. Waghmare, Jaichan Lee

Publikováno v: Materials & Design, Vol 236, Iss , Pp 112518- (2023)

Machine learning emerges to accelerate first-principles calculations in materials discovery and property prediction, but developing high-accuracy prediction models requires training on large datasets of relaxed structures, which can be computationall

Externí odkaz: https://doaj.org/article/e3e3fdc4923746c5864def8899143568

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Akademický článek

Glassy thermal conductivity in Cs3Bi2I6Cl3 single crystal

Autor: Paribesh Acharyya, Tanmoy Ghosh, Koushik Pal, Kewal Singh Rana, Moinak Dutta, Diptikanta Swain, Martin Etter, Ajay Soni, Umesh V. Waghmare, Kanishka Biswas

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)

The investigation of thermal conductivity is crucial to the success of many modern technologies. Here the authors have reported an unusual glass-like thermal conductivity in a single crystal of layered halide perovskite, Cs3Bi2I6Cl3.

Externí odkaz: https://doaj.org/article/b8245d95510e4c2c9a819ef335bf6cc9

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Akademický článek

Local ferroelectricity in thermoelectric SnTe above room temperature driven by competing phonon instabilities and soft resonant bonding

Autor: Leena Aggarwal, Ananya Banik, Shashwat Anand, Umesh V. Waghmare, Kanishka Biswas, Goutam Sheet

Publikováno v: Journal of Materiomics, Vol 2, Iss 2, Pp 196-202 (2016)

We report direct observation of local ferroelectric ordering above room temperature in rocksalt SnTe, which is a topological crystalline insulator and a good thermoelectric material. Although SnTe is known to stabilize in a ferroelectric ground state

Externí odkaz: https://doaj.org/article/11063c5019144924996cfd20f86c7348

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Akademický článek

Characterization of few-layer 1T-MoSe2 and its superior performance in the visible-light induced hydrogen evolution reaction

Autor: Uttam Gupta, B. S. Naidu, Urmimala Maitra, Anjali Singh, Sharmila N. Shirodkar, Umesh V. Waghmare, C. N. R. Rao

Publikováno v: APL Materials, Vol 2, Iss 9, Pp 092802-092802-8 (2014)

Based on earlier results on the photocatalytic properties of MoS2, the 1T form of MoSe2, prepared by lithium intercalation and exfoliation of bulk MoSe2, has been employed for the visible-light induced generation of hydrogen. 1T-MoSe2 is found to be

Externí odkaz: https://doaj.org/article/d9277c737e86414d84b4f4a216b696d7

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