Nuclear and magnetic structure of an epitaxial La0.67Sr0.33MnO3 film using diffraction methods

被引：1

作者：

Himanshu, H. ^{[1
,2
]}

Rebolini, E. ^{[1
]}

Beauvois, K. ^{[3
]}

Grenier, S. ^{[4
]}

Mercey, B. ^{[5
]}

Domenges, B. ^{[5
]}

Ouladdiaf, B. ^{[1
]}

Lepetit, M. B. ^{[1
,4
]}

Simon, C. ^{[2
]}

机构：

[1] Inst Laue Langevin, 71 Ave Martyrs, F-38042 Grenoble, France

[2] Univ Grenoble Alpes, CNRS, Lab Natl Champs Magnet Intenses LNCMI, 25 Ave Martyrs, F-38000 Grenoble, France

[3] Univ Grenoble Alpes, Commissariat Energie Atom CEA, IRIG, MEM,MDN, F-38000 Grenoble, France

[4] Univ Grenoble Alpes, Inst Neel, CNRS, Grenoble INP, F-38000 Grenoble, France

[5] CRISMAT, CNRS, ENSICAEN, UMR6508, 6 Bd Marechal Juin, F-14050 Caen, France

来源：

THIN SOLID FILMS | 2024年 / 800卷

关键词：

Thin film; Magnetism; Neutron diffraction; X-ray diffraction; Crystal symmetry; GIANT MAGNETORESISTANCE; PHASE-DIAGRAM; MAGNETOTRANSPORT; POLARIZATION; TRANSITION; LORENTZ; STRAIN;

D O I：

10.1016/j.tsf.2024.140411

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We use a combination of transmission electron microscopy, X-ray and neutron diffraction, Superconducting Quantum Interference Device (SQUID) magnetometry and symmetry analysis to determine the nuclear and magnetic structure of an epitaxial La0.67Sr0.33MnO3 film, deposited on a Si substrate. The film undergoes a magnetic ordering transition at 260 K. At 300 K, in the paramagnetic phase, the manganite film has a I4/m space group. In the magnetic phase, SQUID and neutron diffraction results lead us to assign a ferromagnetic spin-order to the film, associated to magnetic moments with a slightly out-of-plane component, namely (3.5, 0, 0.3) mu(B). Symmetry analysis further shows that only the P (1) over bar ' group is compatible with such a magnetic ordering.

引用

页数：10

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