Transições de Spin em Minerais do Manto Terrestre | Colóquio IFUSP

Colóquio com o Profª Renata Maria Mattosinho Wentzcovitch
Professor in the Departments of Applied Physics and Applied Mathematics, and Earth and Environmental Sciences, Lamont-Doherty Earth Observatory.
Columbia University
Resumo: Pressure and temperature-induced spin-state change in iron in lower mantle minerals is an unusual phenomenon with previously unknown consequences. High-pressure and high-temperature experiments have offered a wealth of new information about this class of materials problems. I will discuss key experimental data, contrast them with ab initio results and thermodynamic models, show the implications for fundamental phenomena taking place at the atomic scale and their macroscopic manifestations, and discuss potential geophysical consequences of this phenomenon.
Sobre a palestrante:
She is a former Professor in the Department of Chemical Engineering and Materials Science at the University of Minnesota and a former member of the graduate faculties at the School of Physics and Astronomy, Department of Earth Sciences, Chemical Physics Program, and Scientific Computation Program, where she was Director of Graduate Studies. Originally from Brazil, she holds BSc and MSc n Physics from Universidade de Sao Paulo and a Ph.D. in Condensed Matter Physics from UC Berkeley. She was a regular visiting professor at the International School for Advanced Studies (SISSA), Trieste (IT) from 1998 to 2006, and at Tokyo Institute of Technology since 2002, where she is a principal investigator in the Earth-Life Science Institute. Over the past two decades, her research has been focused primarily on Earth and planetary materials with particular emphasis on acoustic/seismic properties of minerals, including those containing iron and undergoing spin state change. She is a fellow of the American Physical Society, American Geophysical Union, Mineralogical Society of America, American Association for the Advancement of Science, and the American Academy of Arts and Sciences. She has received the Senior US Scientist Award from the Humboldt Foundation and the 2016 Wilhelm Heraeus visiting.
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► Acompanhe toda a programação científica e cultural gratuita que o IF promove também pelos canais:
• fisicaUSP
• fisicaUSP
• fisicaUSP
☺ Esse canal é uma iniciativa do Instituto de Física da USP, o maior centro de Ensino e Pesquisa em Física do Brasil.

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