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The structural and magnetic properties of the compound Tm5Ge4

TitleThe structural and magnetic properties of the compound Tm5Ge4
Publication TypeJournal Article
Year of Publication2015
AuthorsZou, JD, Yan, M, Yao, JL
JournalRsc Advances
Date Published03
Type of ArticleArticle
ISBN Number2046-2069
Accession NumberWOS:000351556800051
Keywordsalloys, coexistence, crystal-structure, gd-5(sixge1-x)(4), neutron-diffraction, phase-relationships, pressure, silicon, system, transition

= 13 and T-N = 21 K. The paramagnetic Curie temperature of Tm5Ge4 is positive (theta(p) = 16 K), and the effective magnetic moment (p(eff) = 7.4 mu(B)/Tm) is in good agreement with the theoretical value of 7.56 mu(B)/Tm3+. The ac susceptibility of Tm5Ge4 shows obvious frequency dependence behaviors suggesting the existence of a ferromagnetic cluster in the antiferromagnetic substance. According to the magnetic hysteresis loop, the intrinsic coercivity of Tm5Ge4 is 2616 Oe at 2 K. Tm5Ge4 exhibits an oscillating magnetocaloric effect owing to a metamagnetic-like transformation induced by a critical magnetic field below 21 K.

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