Cluster-spin-glass behavior in new ternary RE2PtGe3 compounds (RE = Tb, Dy, Ho)

被引：2

作者：

Litzbarski, L. S. ^{[1
,2
,3
]}

Winiarski, M. J. ^{[1
,2
]}

Oshchapovsky, I ^{[1
,2
,4
]}

Skokowski, P. ^{[5
]}

Synoradzki, K. ^{[5
]}

Klimczuk, T. ^{[1
,2
]}

Andrzejewski, B. ^{[5
]}

机构：

[1] Gdansk Univ Technol, Fac Appl Phys & Math, Narutowicza 11-12, PL-80233 Gdansk, Poland

[2] Gdansk Univ Technol, Adv Mat Ctr, Narutowicza 11-12, PL-80233 Gdansk, Poland

[3] Gdansk Univ Technol, Fac Elect & Control Engn, Dept Elect & High Voltage Engn, Narutowicza 11-12, PL-80233 Gdansk, Poland

[4] Ivan Franko Natl Univ Lviv, Dept Inorgan Chem, Kyryla & Mefodiya 6, UA-79005 Lvov, Ukraine

[5] Polish Acad Sci, Inst Mol Phys, Smoluchowskiego 17, PL-60179 Poznan, Poland

来源：

MATERIALS RESEARCH EXPRESS | 2024年 / 11卷 / 09期

关键词：

RE2PtGe3; cluster-spin-glass; AlB2 - derived structure; structural disorder; magnetic frustration; CRYSTAL-STRUCTURE;

D O I：

10.1088/2053-1591/ad7444

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two new ternary germanides Tb2Pt1.2Ge2.8, Dy2Pt1.15Ge2.85 and one already known germanium Ho(2)Pt(1.1)Ge(2.9.)were synthesized using an arc melting technique. The obtained samples were investigated by powder x-ray diffraction, which indicated that all of them crystallized in a hexagonal structure with P6/mmm (no. 191) space group. This structure is a disordered variant of the AlB2 aristotype that favors the formation of a spin-glass-like state. The physical properties were examined by measuring magnetic susceptibility, heat capacity and electrical resistance. Experiments indicated that all of the compounds can be classified as cluster-spin-glasses with the freezing temperature of T-f = 12.0 K, T-f = 6.0 K and T-f = 2.9 K for Tb2Pt1.2Ge2.8, Dy2Pt1.15Ge2.85 and Ho2Pt1.1Ge2.9 respectively.

引用

页数：16

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