Fritz-Haber-Institut der Max-Planck-Gesellschaft
 
     Department of Physical Chemistry   

 Terahertz Physics Group  Tobias Kampfrath
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Department of
Physical Chemistry
Fritz Haber Institute

Research method: Detection of ultrashort current bursts
Pump-induced charge transfer generates THz transient;
measuring THz means measuring the current burst.
•  Spin currents at interfaces of ferromagnetic iron films
  Sample symmetry: emitted THz pulse is generated at interfaces. 
Emitted THz pulse depends drastically whether 2-nm cap layer is Ru or Au.
  THz data allow one to infer current burst along the Fe film interfaces. 
May be used as interface probe.

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