Zobrazeno 1 - 10 of 26 pro vyhledávání: '"Pinku Saha"'
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Akademický článek
Ultrahigh‐Pressure Acoustic Velocities of Aluminous Silicate Glass up to 155 GPa With Implications for the Structure and Dynamics of the Deep Terrestrial Magma Ocean
Autor: Pinku Saha, Motohiko Murakami, Catherine McCammon, Christian Liebske, Ewa Krymarys
Publikováno v: Geophysical Research Letters, Vol 50, Iss 14, Pp n/a-n/a (2023)
Abstract We have carried out in situ high‐pressure acoustic velocity measurements of (Fe2+, Al)‐bearing MgSiO3 glass up to pressures of 155 GPa, which confirmed a distinct pressure‐induced trend change in the transverse acoustic velocity (VS) p
Externí odkaz: https://doaj.org/article/f00911545c534fe9b90ae8e3bc3a8180
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2
Akademický článek
High pressure anomalies in exfoliated MoSe2: resonance Raman and x-ray diffraction studies
Autor: Pinku Saha, Bishnupada Ghosh, Aritra Mazumder, Goutam Dev Mukherjee
Publikováno v: Materials Research Express, Vol 7, Iss 2, p 025902 (2020)
Detailed high pressure Resonance Raman ( RR ) Spectroscopy and x-ray diffraction ( XRD ) studies are carried out on 3–4 layered MoSe _2 obtained by liquid exfoliation. Analysis of ambient XRD pattern and RR spectra indicate the presence of a tricli
Externí odkaz: https://doaj.org/article/c407a8b9b27844a2ae52c591c0acc872
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4
Monitoring of the recovery of ion-damaged 4H-SiC with in-situ synchrotron X-ray diffraction as a tool for strain-engineering
Autor: Anusmita Chakravorty, Alexandre Boulle, Aurélien Debelle, Isabelle Monnet, Gouranga Manna, Pinku Saha, Mrinmay Kumar Mukhopadhyay, Debdulal Kabiraj
Publikováno v: Journal of Materials Science
Journal of Materials Science, 2022, 57 (43), pp.20309-20319. ⟨10.1007/s10853-022-07876-4⟩
International audience; In-situ thermal annealing (673-1273 K) during X-ray diffraction synchrotron measurements was performed to monitor the strain level as a proxy to follow the recovery of 300 keV Ar ion irradiated 4H-SiC single crystals. Results
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5dd8bbf6c54e3114dd1289ed32fd6a8
https://hal.science/hal-03861321/file/text.pdf
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6
Pressure-Induced Emergence of Visible Luminescence in Lead Free Halide Perovskite Cs3Bi2Br9: Effect of Structural Distortion
Autor: Pinku Saha, Goutam Dev Mukherjee, Swastika Chatterjee, Sonu Pratap Chaudhary, Sayan Bhattacharyya, Bishnupada Ghosh, Debabrata Samanta
Publikováno v: The Journal of Physical Chemistry C. 125:3432-3440
We report a detailed high pressure study involving X-ray diffraction, Raman spectroscopy, and photoluminescence measurements on a model Pb-free solar cell material Cs3Bi2Br9 halide perovskite. The ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b013fa114c9146060b18da08ceed17a
https://doi.org/10.1021/acs.jpcc.0c10624
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7
Thermal conductivity of dense hcp iron: Direct measurements using laser heated diamond anvil cell
Autor: Pinku Saha, Aritra Mazumder, Goutam Dev Mukherjee
Publikováno v: Geoscience Frontiers, Vol 11, Iss 5, Pp 1755-1761 (2020)
Thermal conductivity (k) of iron is measured up to about 134 ​GPa. The measurements are carried out using the single sided laser heated diamond anvil cell, where the power absorbed by a Fe metal foil at hotspot is calculated using a novel thermodyn
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7be733827e49958e953d602a379055a
https://doi.org/10.1016/j.gsf.2019.12.010
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9
Temperature measurement in double-sided laser-heated diamond anvil cell and reaction of carbon
Autor: Pinku Saha, Goutam Dev Mukherjee
Publikováno v: Indian Journal of Physics. 95:621-628
In this work, a double-sided laser-heated diamond anvil cell facility for studies at extreme conditions of pressure and temperature that has been developed is described in detail. Phase transitions occurring at extreme conditions can be mapped by acc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd9474940ed8fb1ab99fcc5a808f4224
https://doi.org/10.1007/s12648-020-01699-2
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10
Anomalous structural behavior and antiferroelectricity in BiGdO
Autor: Rajesh, Jana, Apurba, Dutta, Pinku, Saha, Kapil, Mandal, Bishnupada, Ghosh, Amreesh, Chandra, I, Das, Goutam Dev, Mukherjee
Publikováno v: Journal of physics. Condensed matter : an Institute of Physics journal. 33(49)
A comprehensive temperature and high-pressure investigation on BiGdO
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a98c08f6720505fd9305e676a2d1ecbb
https://pubmed.ncbi.nlm.nih.gov/34517357
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