Study on spin-splitting phenomena in the band structure of GdN
authors Vidyasagar, R; Kitayama, S; Yoshitomi, H; Kita, T; Sakurai, T; Ohta, H
journal APPLIED PHYSICS LETTERS
keywords SPINTRONICS
abstract An exceptional kind of spin splitting in the band structure of AlN/GdN/AlN double heterostructures has been studied by employing temperature-dependent spectroscopy. This spin splitting can be attributed to both the band-gap shrink and the difference between minority and majority band energies in GdN below the Curie point; these results have been established by evaluating the optical band gaps at the X-point. The temperature-dependent magnetization measurements that provide direct evidence of the magnetic ordering below 32 K and it is described by long-range spin correlation in GdN. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4727903]
publisher AMER INST PHYSICS
issn 0003-6951
year published 2012
volume 100
issue 23
digital object identifier (doi) 10.1063/1.4727903
web of science category Physics, Applied
subject category Physics
unique article identifier WOS:000305089900056
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