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Magnetic and magnetoelastic anomalies of an Er.sub.2./sub.Co.sub.17./sub. single crystal in high magnetic fields
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SYSNO ASEP 0361454 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Magnetic and magnetoelastic anomalies of an Er2Co17 single crystal in high magnetic fields Tvůrce(i) Andreev, Alexander V. (FZU-D) RID, ORCID
Skourski, Y. (DE)
Kuz'min, M.D. (DE)
Yasin, S. (DE)
Zherlitsyn, S. (DE)
Daou, R. (DE)
Wosnitza, J. (DE)
Iwasa, A. (JP)
Kondo, A. (JP)
Matsuo, A. (JP)
Kindo, K. (JP)Zdroj.dok. Physical Review. B - ISSN 1098-0121
Roč. 83, č. 18 (2011), "184422-1"-"184422-9"Poč.str. 9 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova magnetic and magnetoelastic anomalies ; high magnetic fields ; anisotropy constants Vědní obor RIV BM - Fyzika pevných látek a magnetismus CEP GA202/09/0339 GA ČR - Grantová agentura ČR CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000290863900002 DOI 10.1103/PhysRevB.83.184422 Anotace A high-field study of magnetization (up to 68 T) and magnetoelastic properties (up to 60 T) of Er2Co17 is reported. The most significant effect - a first-order transition from the collinear ferrimagnetic to a canted state - is observed at about 40 T with H ll [001]. The transition is accompanied by a prominent magnetization jump as well as by step-wise anomalies of the magnetoelastic properties. The volume of the crystal reduces by about 4 per mil, while the speed of transverse sound in the [001] direction increases by as much as 5 per mil. At higher temperatures, the anomalies gradually become smaller and less sharp, before they finally disappear at 50 K. The anisotropy constants of the Er sublattice and the molecular field thereon have been determined from the magnetization curves. Pracoviště Fyzikální ústav Kontakt Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Rok sběru 2012
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