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The MSR-investigation of antiferromagnetic phase transitions in erbium |
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| Authors: | S. G. Barsov S. V. Fomichev A. L. Getalov V. G. Grebinnik V. A. Gordeev I. I. Gurevich A. I. Klimov S. P. Kruglov L. A. Kuzmin A. B. Lazarev S. M. Mikirtychyants N. I. Moreva V. A. Morozova B. A. Nikolsky A. V. Pirogov A. N. Ponomarev V. I. Selivanov G. V. Shcherbakov V. A. Suetin V. A. Zhukov |
| Affiliation: | (1) I.V. Kurchatov Institute of Atomic Energy, USA;(2) B. P. Konstantinov Leningrad Institute of Nuclear Physics, USA;(3) Joint Institute of Nuclear Research, USA |
| Abstract: | The muon spin relaxation rate (T) in an orientated polycrystalline sample of erbium constructed of large monocrystals has been measured for temperatures 20 <T<300 K. It has been shown that the (T) for erbium is bounded from above asT  TN, whereTN=84.4 K is the Néel temperature. This fact may be explained by assuming that atT=TN erbium undergoes a weak phase-transition of the first order. |
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