ELECTRONSTOPPING

Electronic stopping power from first principles

 Coordinatore Asociacion - Centro de Investigacion Cooperativa en Nanociencias - CIC NANOGUNE 

 Organization address address: Tolosa Hiribidea 76
city: San Sebastian
postcode: 20018

contact info
Titolo: Mr.
Nome: Miguel
Cognome: Odriozola
Email: send email
Telefono: +34 943 574000
Fax: +34 943 574001

 Nazionalità Coordinatore Spain [ES]
 Totale costo 100˙000 €
 EC contributo 100˙000 €
 Programma FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call FP7-PEOPLE-2012-CIG
 Funding Scheme MC-CIG
 Anno di inizio 2014
 Periodo (anno-mese-giorno) 2014-03-01   -   2018-02-28

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    Asociacion - Centro de Investigacion Cooperativa en Nanociencias - CIC NANOGUNE

 Organization address address: Tolosa Hiribidea 76
city: San Sebastian
postcode: 20018

contact info
Titolo: Mr.
Nome: Miguel
Cognome: Odriozola
Email: send email
Telefono: +34 943 574000
Fax: +34 943 574001

ES (San Sebastian) coordinator 100˙000.00

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

explore    stopping    then    behavior    water    electronic    ions    power    materials   

 Obiettivo del progetto (Objective)

'Ions traveling through matter at enough speed give rise to non-adiabatic processes by which the electrons of the system become excited. The quantitative understanding of these processes and the ability to reproduce them accurately on the computer is of direct relevance to, among others, the nuclear and space industries and to cancer radiotherapy with ions. In spite o this importance, ab initio calculations of the electronic stopping power in materials represent a research field still to flourish. We have recently demonstrated the possibility of accurate calculation and analysis of such processes in two paradigmatic cases (light projectiles in LiF and in Au). This project proposes to establish the method with flexibility and generality, so that it can be applied to a large variety of systems by agents in the mentioned fields, while we explore the behavior of the electronic excitation processes in a set of varied materials and situations. We will start by (i) simulating the electronic stopping of H and He in aluminum, to address recent interesting and unexplained experimental observations. We will then proceed to (ii) a systematic comparison of electronic stopping among insulating solids of different chemistries, studying the behavior of the threshold effect in the electronic stopping power when changing band gap and bond type. We will then (iii) explore the dependence of the electronic stopping power on impact parameter when in channeling conditions, allowing for trajectories to deviate from the channel direction along the way. Finally (iv) we will study the electronic stopping power in liquid water, and in (v) a guanine -cytosine nucleoside pair in water.'

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