Zobrazeno 1 - 10 of 419 pro vyhledávání: '"Umesh V. Waghmare"'
1
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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2
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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9
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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10
Heterostructure from heteromixture: unusual OER activity of FeP and CoP nanostructures on physical mixing
Autor: Divya Bhutani, Sisir Maity, Shashank Chaturvedi, Divya Chalapathi, Umesh V. Waghmare, Chandrabhas Narayana, Vinod C. Prabhakaran, Eswaramoorthy Muthusamy
Publikováno v: Journal of Materials Chemistry A. 10:22354-22362
A physical mixture of FeP and CoP shows enhanced performance for the oxygen evolution reaction with low overpotential, high stability and a high mass activity of 18 987 A g−1.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84ef8e624c24c8a5fc84303b4a4d7f94
https://doi.org/10.1039/d2ta04296g
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