Mixed structural face-centered cubic and body-centered cubic orders in near stoichiometric Fe2MnGa alloys

被引：17

作者：

Kudryavtsev, Y. V. ^{[1
,2
]}

Perekos, A. E. ^{[1
]}

Uvarov, N. V. ^{[1
]}

Kolchiba, M. R. ^{[1
]}

Synoradzki, K. ^{[3
]}

Dubowik, J. ^{[3
]}

机构：

[1] NAS Ukraine, Inst Met Phys, Vernadsky 36, UA-03680 Kiev 142, Ukraine

[2] NAS Ukraine, Donetsk Phys & Tech Inst, Nauki 46, UA-03028 Kiev, Ukraine

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

来源：

JOURNAL OF APPLIED PHYSICS | 2016年 / 119卷 / 20期

关键词：

TEMPERATURE-DEPENDENCE; ELECTRICAL-RESISTIVITY; METALLIC FERROMAGNETS; ELECTRONIC-STRUCTURE; HEUSLER ALLOYS; CONDUCTIVITY; FE;

D O I：

10.1063/1.4952392

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magnetic and transport properties of near stoichiometric metastable FexMnyGaz alloys (46 <= x <= 52, 17 <= y <= 25, 26 <= z <= 30) with face-centered cubic (FCC), body-centered cubic (BCC), and two-phase (FCC + BCC) structures are investigated. The experimental results are analyzed in terms of first-principles calculations of stoichiometric Fe2MnGa alloy with the L2(1), L1(2), and the tetragonally distorted L2(1) structural orderings. It is shown that the pure BCC and FCC phases have distinct magnetic and transport properties. Two-phase Fe2MnGa alloys have magnetic and transport properties typical of the mixed BCC and FCC phases. Among the investigated alloys, Fe46Mn24Ga30 has a martensitic transformation accompanied with significant changes of its magnetic and transport properties. Published by AIP Publishing.

引用

页数：9

共 34 条

[1]

ALTSHULER BL, 1978, ZH EKSP TEOR FIZ+, V75, P1330

[2] POSSIBLE EXPLANATION OF NON-LINEAR CONDUCTIVITY IN THIN-FILM METAL WIRES [J].

ANDERSON, PW ;

ABRAHAMS, E ;

RAMAKRISHNAN, TV .

PHYSICAL REVIEW LETTERS, 1979, 43 (10) :718-720

[3] Itinerant half-metallic ferromagnets Co2TiZ (Z=Si, Ge, Sn): Ab initio calculations and measurement of the electronic structure and transport properties [J].

Barth, Joachim ;

Fecher, Gerhard H. ;

Balke, Benjamin ;

Ouardi, Siham ;

Graf, Tanja ;

Felser, Claudia ;

Shkabko, Andrey ;

Weidenkaff, Anke ;

Klaer, Peter ;

Elmers, Hans J. ;

Yoshikawa, Hideki ;

Ueda, Shigenori ;

Kobayashi, Keisuke .

PHYSICAL REVIEW B, 2010, 81 (06)

[4]

Blaha P., 2001, Calculating Cryst. Prop., V60

[5] Magnetism and electronic transport in (Ni,Cu)(2)MnSn Heusler alloys under ambient and elevated pressures [J].

Bose, S. K. ;

Kudrnovsky, J. ;

Drchal, V. .

WORLD JOURNAL OF ENGINEERING, 2012, 9 (01) :13-21

[6]

Dugdale J. S., 1995, The Electrical Properties of Disordered Metals

[7] Modelling the phase diagram of magnetic shape memory Heusler alloys [J].

Entel, P ;

Buchelnikov, VD ;

Khovailo, VV ;

Zayak, AT ;

Adeagbo, WA ;

Gruner, ME ;

Herper, HC ;

Wassermann, EF .

JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2006, 39 (05) :865-889

[8] Structural and magnetic properties of the Heusler compound Fe2MnGa [J].

Gasi, Teuta ;

Nayak, Ajaya K. ;

Nicklas, Michael ;

Felser, Claudia .

JOURNAL OF APPLIED PHYSICS, 2013, 113 (17)

[9] Colloquium: Saturation of electrical resistivity [J].

Gunnarsson, O ;

Calandra, M ;

Han, JE .

REVIEWS OF MODERN PHYSICS, 2003, 75 (04) :1085-1099

[10] Temperature-induced martensite in magnetic shape memory Fe2MnGa observed by photoemission electron microscopy [J].

Jenkins, C. A. ;

Scholl, A. ;

Kainuma, R. ;

Elmers, H. J. ;

Omori, T. .

APPLIED PHYSICS LETTERS, 2012, 100 (03)

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