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UID:DSC-13123
DTSTART;TZID=Europe/Berlin:20170706T130000
SEQUENCE:1499327158
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20170706T140000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/13123
LOCATION:TUD Materials Science - HAL\, Hallwachsstraße 301069 Dresden
SUMMARY:Vazquez: Tuning elastic and inelastic electron transport across sin
 gle molecule circuits
CLASS:PUBLIC
DESCRIPTION:Speaker: Dr. Hector Vazquez\nInstitute of Speaker: Institute of
  Physics\, Academy of Sciences of the Czech Republic\nTopics:\nMaterialien
 \n Location:\n  Name: TUD Materials Science - HAL (24a)\n  Street: Hallwac
 hsstraße 3\n  City: 01069 Dresden\n  Phone: \n  Fax: \nDescription: Singl
 e molecule circuits are ideal systems for studying a wide range of quantum
  phenomena. The flow of an electric current across individual molecules pl
 aced between metal electrodes is determined by the junction electronic str
 ucture\, which in turn is strongly affected by both the nature of the mole
 cular backbone and the metal-molecule links. Calculations based on Density
 -Functional Theory and non-Equilibrium Green’s Functions can 
 be used to understand and predict the conductance of molecular nanostructu
 res.  I will start by discussing elastic transport focusing on the couplin
 g between metal and molecule. I will compare the signature in conductance 
 of different Au-molecule links and examine their behaviour under an applie
 d bias. I will then turn to the other main ‘componentâ€
 ™ of the circuit: the molecular backbone. Backbone properties\, often 
 with no classical equivalent\, can bring important consequences for conduc
 tance. The second part of my talk will address our recent work on the inte
 raction of electronic and vibrational degrees of freedom. I will show how 
 an analysis of the different contributions which make up the inelastic pea
 ks can completely characterize the formation of the inelastic signal. I wi
 ll also discuss the current-induced heating and cooling of the junction fr
 om the calculation of rates of absorption or emission of molecular vibrati
 ons by the tunneling electrons
DTSTAMP:20260702T025245Z
CREATED:20170629T080059Z
LAST-MODIFIED:20170706T074558Z
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