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Application of Physical Chemistry through experiments, theory and in the field to understand timescales and mechanisms of geochemical and cosmochemical processes. Understanding the atomistic mechanisms of flow and creep of silicates and oxides. Application of diffusion controlled processes in Materials Science problems.
Experiments carried out at high pressures (to 15 GPa) and/or temperatures (upto 1800°C) provide kinetic (e.g. diffusion coefficients) and thermodynamic (e.g. activity coefficients) data. Many of the experiments use nanometer scale thin films of complex oxides and silicates produced using Pulsed Laser Deposition (PLD). This facility is unique in the Geosciences and enables us to produce thin films with complex geometry and chemistry. Analytical methods used include a particle accelerator (e.g. RBS, NRA, PIXE) at RUBION on campus, electron microprobes with high resolution FEG capability, SEM with EBSD attachment, CL-microscopes and white light interference microscopes in the department, and SIMS and analytical transmission electron microscopy (ATEM) with collaborators. Facilities for sample thinning using focused ion beams (FIB) and atomic force microscopy (AFM) are available on campus.
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Carlo Pelullo,Hélène Balcone-Boissard, Bruna Cariddi,Sumit Chakraborty, Massimo D'Antonio,Maddalena De Lucia,Sandro de Vita, Mauro Antonio Di Vito,Paola Petrosino,Monica Piochi, Nicolas Rividi, Germano Solomita,
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Proceedings in Applied Mathematics & Mechanicsno. 4 (2023)
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTHno. 5 (2023)
Sampriti Basak,Eric Hasenstab,Santanu Kumar Bhowmik,Axel Gerdes,Somnath Dasgupta,Carsten Muenker, Gr. Ravindra Kumar,Sumit Chakraborty
JOURNAL OF PETROLOGYno. 5 (2023)
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