Hyperfine interaction of111Cd in antiferromagnetic cobalt oxide |
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Authors: | Z Inglot D Wegner K P Lieb |
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Institution: | 1. II. Physikalisches Institut, Universit?t G?ttingen, and Sonderforschungsbereich 126, G?ttingen/Clausthal, 3400, G?ttingen, FRG
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Abstract: | The temperature dependence of the hyperfine field of substitutional111Cd in antiferromagnetic CoO has been measured by means of the perturbed angular correlation technique. The Larmor frequency
ωL is found to obey a power law ωL(t=ω0
t
β) up tot
max=0.4 wheret=1−T/T
N is the reduced temperature withT
N=291.2(3) K and β=0.393 (5) the critical exponent. The results are discussed and compared with PAC experiments on111Cd in NiO and Ni and with results obtained by other methods. |
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Keywords: | |
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