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Broadband electrical detection of spin excitations in Ga0.98Mn0.02As using a photovoltage technique

Wirthmann, André, Hui, Xiong, Mecking, N., Gui, Y. S., Chakraborty, T., Hu, C. M., Reinwald, Matthias, Schüller, Christian and Wegscheider, Werner (2008) Broadband electrical detection of spin excitations in Ga0.98Mn0.02As using a photovoltage technique. Applied Physics Letters 92, p. 232106.

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Abstract

We report on microwave photovoltage and simultaneous magnetotransport measurements in a Ga, Mn As film oriented normal to the magnetic field. We detect the ferromagnetic resonance over a broad frequency range of 2–18.5 GHz and determine the spectroscopic g-factor and separate the Gilbert from the inhomogeneous contribution to magnetization relaxation. Temperature dependent measurements below the ...

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Item type:Article
Date:11 June 2008
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller
Identification Number:
ValueType
10.1063/1.2943280DOI
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:9490
Owner only: item control page

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