Giant spontaneous magnetization jumps in LaFe12B6

被引：26

作者：

Diop, L. V. B. ^{[1
,2
]}

Isnard, O. ^{[1
,2
]}

机构：

[1] Univ Grenoble Alpes, Inst NEEL, F-38042 Grenoble, France

[2] CNRS, Inst NEEL, F-38042 Grenoble, France

来源：

APPLIED PHYSICS LETTERS | 2016年 / 108卷 / 13期

关键词：

SMALL-PARTICLE SYSTEMS; FIELD; RELAXATION;

D O I：

10.1063/1.4944904

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Unexpected giant metamagnetic transitions consisting of a succession of extremely sharp magnetization steps separated by plateaus are reported at low temperature in LaFe12B6. Under certain combinations of the external parameters (temperature and magnetic field), the time dependence of the magnetization displays an unusual step-like feature. It is demonstrated that this giant spontaneous jump in magnetization takes place after a silent time and shows a striking resemblance with the phenomenon of an "incubation time" found in martensitic-like transformations. (C) 2016 AIP Publishing LLC.

引用

页数：4

共 20 条

[1] Normalization factors for magnetic relaxation of small-particle systems in a nonzero magnetic field [J].

Balcells, L ;

Iglesias, O ;

Labarta, A .

PHYSICAL REVIEW B, 1997, 55 (14) :8940-8944

[2] INSERT FOR REGULATING TEMPERATURES BETWEEN 2-K AND 1000-K IN A LIQUID-HELIUM DEWAR - DESCRIPTION AND CRYOGENIC ANALYSIS [J].

BARLET, A ;

GENNA, JC ;

LETHUILLIER, P .

CRYOGENICS, 1991, 31 (09) :801-805

[3] Ultrasharp magnetization steps in the antiferromagnetic itinerant-electron system LaFe12B6 [J].

Diop, L. V. B. ;

Isnard, O. ;

Rodriguez-Carvajal, J. .

PHYSICAL REVIEW B, 2016, 93 (01)

[4] Itinerant-electron metamagnetic transition and large magnetocaloric effects in La(FexSi1-x)13 compounds and their hydrides -: art. no. 104416 [J].

Fujita, A ;

Fujieda, S ;

Hasegawa, Y ;

Fukamichi, K .

PHYSICAL REVIEW B, 2003, 67 (10)

[5] Magnetism in gallium-doped CeFe2: Martensitic scenario [J].

Haldar, Arabinda ;

Suresh, K. G. ;

Nigam, A. K. .

PHYSICAL REVIEW B, 2008, 78 (14)

[6] Observation of spontaneous magnetization jumps in manganites -: art. no. 220402 [J].

Hardy, V ;

Maignan, A ;

Hébert, S ;

Yaicle, C ;

Martin, C ;

Hervieu, M ;

Lees, MR ;

Rowlands, G ;

Paul, DM ;

Raveau, B .

PHYSICAL REVIEW B, 2003, 68 (22)

[7] Field-induced magnetization steps in intermetallic compounds and manganese oxides:: The martensitic scenario -: art. no. 020407 [J].

Hardy, V ;

Majumdar, S ;

Crowe, SJ ;

Lees, MR ;

Paul, DM ;

Hervé, L ;

Maignan, A ;

Hébert, S ;

Martin, C ;

Yaicle, C ;

Hervieu, M ;

Raveau, B .

PHYSICAL REVIEW B, 2004, 69 (02)

[8] Staircase effect in metamagnetic transitions of charge and orbitally ordered manganites [J].

Hardy, V ;

Hébert, S ;

Maignan, A ;

Martin, C ;

Hervieu, M ;

Raveau, B .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2003, 264 (2-3) :183-191

[9] Magnetic relaxation in terms of microscopic energy barriers in a model of dipolar interacting nanoparticles [J].

Iglesias, O ;

Labarta, A .

PHYSICAL REVIEW B, 2004, 70 (14) :144401-1

[10] Magnetic field scaling of relaxation curves in small particle systems [J].

Iglesias, O ;

Labarta, A .

JOURNAL OF APPLIED PHYSICS, 2002, 91 (07) :4409-4417

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