凯发

Speaker-Pablo Ordejón

Pablo Ordejón
ICN2 and CSIC

Pablo Ordejónis Director of the Foundation"Institut Català de Nanociènciai Nanotecnologia" - ICN2 since 2012.With a publication record of nearly 200 scientific publications, more than 20.000 citations and an h-index of 52, Prof. Ordejón has made breakthrough contributions to the development of efficient methods for the study of materials properties at the atomic scale from first principles. He is a founding member of the team that developes the SIESTA method and code, which is used by thousands of groups to perform computer simulations of materials. He has worked on the theoretical understanding of the physics and chemistry of graphene since 2002, focusing on the electronic and vibrational properties of graphene and other 2D materials, with special emphasis onelectronic transport and on electronically-drivenstructural instabilities. In 2003, he received the Price of the Spanish Association of Scientists for his contributions in the area of Materials Sciences, and 2005 he was appointedFellow of the American Physical Society. He has served as Responsible for the Area of Condensed Matter Physics of the Spanish National Agency for Scientific Evaluation (ANEP) from 2004 to 2007, and as Chairman of the Physics and Engineering panel of the Spanish National Super computing Network from 2004 to 2010, besides other numerous advisory committees. He has also served as Co-Editor of EPL since 2010 to 2015, and is a member of the Editorial Board of Physica Status Solidi since 2004. He is co-founder of the spin-off company SIMUNE that provides materials simulations services to the industry. Since 2015, he is a member of the Board of Trustees of the Barcelona Institute of Science and Technology (BIST).

Title:Layered and 2D materials: electronic properties and structural instabilities from first principles
SymposiumMultiscale Simulation
Starting Time
Ending Time
Abstract

I will present recent work on the understanding of the electronic properties of layered materials and their 2D relatives by means of first principles electronic structure calculations. In particular, I will focus on the correlation between the crystal structure and the electronic properties, with special emphasis on the structural instabilities with an electronic origin. This will be done in connection to recent experimental studies that have been able to demonstrate the presence of charge density waves (CDW) in several 2D materials like NbSe2 and TiSe2. I will also discuss the correlation between the electronic structure and the experimental STM images and STS spectra on some of these systems, which provide crucial insight for the understanding of their CDW and superconducting instabilities.







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E-mail: meeting@c-gia.org

Abstract: Minyang Lu

Sponsor: Wenyang Yang

Media: Liping Wang

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