Excellent Magnetocaloric Effect in Er60Al18Co22 Bulk Metallic Glass

被引：12

作者：

Hui Xi-Dong ^{[1
]}

Xu Zhi-Yi ^{[1
]}

Wang En-Rui ^{[1
]}

Chen Guo-Liang ^{[1
]}

Lu Zhao-Ping ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2010年 / 27卷 / 11期

关键词：

MEAN-FIELD ANALYSIS; MAGNETIC-PROPERTIES; THERMAL-STABILITY; TRANSITION; ALLOYS;

D O I：

10.1088/0256-307X/27/11/117502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Excellent magnetocaloric effect with a maximum entropy change and refrigeration capacity of 17.6 J.kg(-1).K-1 and 546 J.kg(-1), respectively, has been discovered in the Er60Al18Co22 bulk metallic glass under the field of 50 kOe in the temperature range of helium liquefaction. This MCE results from the second-order magnetic transition from the paramagnetic to the ferromagnetic state. Our analysis based on mean-field theory suggests that the excellent MCE is attributed to the strong exchange of magnetic moment in the glassy structure.

引用

页数：4

共 32 条

[1] A mean-field study on the thermo-magnetic properties of GdxCo1-x amorphous alloys (0.16≤x≤0.25) [J].

Aly, SH .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2001, 232 (03) :168-174

[2] Magnetic entropy change in Fe74-xCrxCu1Nb3Si13B9 (x=14 and 17) amorphous alloys [J].

Atalay, S ;

Gencer, H ;

Kolat, VS .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 2005, 351 (30-32) :2373-2377

[3] Making and breaking covalent bonds across the magnetic transition in the giant magnetocaloric material Gd5(Si2Ge2) [J].

Choe, W ;

Pecharsky, VK ;

Pecharsky, AO ;

Gschneidner, KA ;

Young, VG ;

Miller, GJ .

PHYSICAL REVIEW LETTERS, 2000, 84 (20) :4617-4620

[4] Large magnetocaloric effect and enhanced magnetic refrigeration in ternary Gd-based bulk metallic glasses [J].

Du, J. ;

Zheng, Q. ;

Li, Y. B. ;

Zhang, Q. ;

Li, D. ;

Zhang, Z. D. .

JOURNAL OF APPLIED PHYSICS, 2008, 103 (02)

[5] MAGNETIC MEASUREMENTS - A POWERFUL TOOL IN MAGNETIC REFRIGERATOR DESIGN [J].

FOLDEAKI, M ;

CHAHINE, R ;

BOSE, TK .

JOURNAL OF APPLIED PHYSICS, 1995, 77 (07) :3528-3537

[6] The influence of Co addition on the magnetocaloric effect of Nanoperm-type amorphous alloys [J].

Franco, V. ;

Blazquez, J. S. ;

Conde, A. .

JOURNAL OF APPLIED PHYSICS, 2006, 100 (06)

[7] Influence of Co addition on the magnetocaloric effect of FeCoSiAlGaPCB amorphous alloys [J].

Franco, V ;

Borrego, JM ;

Conde, A ;

Roth, S .

APPLIED PHYSICS LETTERS, 2006, 88 (13)

[8] Large magnetocaloric effect in La(FexSi1-x)13 itinerant-electron metamagnetic compounds [J].

Fujieda, S ;

Fujita, A ;

Fukamichi, K .

APPLIED PHYSICS LETTERS, 2002, 81 (07) :1276-1278

[9] MEAN FIELD ANALYSIS OF MAGNETIC-PROPERTIES OF AMORPHOUS TRANSITION-METAL RARE-EARTH ALLOYS [J].

GANGULEE, A ;

KOBLISKA, RJ .

JOURNAL OF APPLIED PHYSICS, 1978, 49 (09) :4896-4901

[10] A THEORY OF METALLIC FERROMAGNETISM AND ANTIFERROMAGNETISM ON ZENERS MODEL [J].

KASUYA, T .

PROGRESS OF THEORETICAL PHYSICS, 1956, 16 (01) :45-57

← 1 2 3 4 →