2013
DOI: 10.1088/1674-1056/22/7/077507
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Progress in bulk MgCu2-type rare-earth iron magnetostrictive compounds

Abstract: Studies of bulk MgCu 2 -type rare-earth iron compounds with Laves phase are reviewed. The relationship between magnetostriction and structural distortion and the consequent crystallographic method for measuring magnetostriction are introduced at first. Then we review recent progress in understanding bulk magnetostrictive Laves phase materials, especially the magnetostriction and the minimization of the anisotropy of the light rare-earth Pr-and Sm-based compounds. Finally, a summary and outlook for this kind of… Show more

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Cited by 47 publications
(26 citation statements)
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“…Similar to ferroelectric MPBs, the already reported Tb 1Àx Dy x Co 2 6 and Tb 1Àx Dy x Fe 2 7 systems also show the flattened free energy landscape, which results in the coexistence of two low-symmetry phases and the significantly enhanced fieldinduced strain at MPB. Consequently, this offers a magnetostructural origin for the well-known Terfenol-D giant magnetostrictive materials (GMMs) with compositions near MPB (typically, Tb 0.3 Dy 0.7 Fe 2 ) , [9][10][11][12] which can generate high magnetostriction at low switching fields. MPB in Tb 1Àx Dy x Fe 2 was previously known as a "spin-orientation transition" that has been explained by single-ion theory, 10 but how maximum magnetostriction appears is unclear.…”
mentioning
confidence: 99%
“…Similar to ferroelectric MPBs, the already reported Tb 1Àx Dy x Co 2 6 and Tb 1Àx Dy x Fe 2 7 systems also show the flattened free energy landscape, which results in the coexistence of two low-symmetry phases and the significantly enhanced fieldinduced strain at MPB. Consequently, this offers a magnetostructural origin for the well-known Terfenol-D giant magnetostrictive materials (GMMs) with compositions near MPB (typically, Tb 0.3 Dy 0.7 Fe 2 ) , [9][10][11][12] which can generate high magnetostriction at low switching fields. MPB in Tb 1Àx Dy x Fe 2 was previously known as a "spin-orientation transition" that has been explained by single-ion theory, 10 but how maximum magnetostriction appears is unclear.…”
mentioning
confidence: 99%
“…[2][3][4][5][6][7][8][9]. Квазибинарные сплавы на основе RFe 2 используются для создания постоянных магнитов, криогенных устройств и различных датчиков, функционирующих в различных средах в широком температурном диапазоне [обзоры 10,11]. Легирование этих соединений другими переходными металлами в ряде случаев вызывает существенный сдвиг температур магнитного упорядочения.…”
Section: Introductionunclassified
“…Данный материал широко используется в высокочувствительных датчиках, источниках ультразвука и других механизмах [11][12][13]. Работы по поиску материалов с компенсированной МКА и высокой магнитострикцией ведутся отечественными учеными давно [14][15][16], а в настоящее время вызывают большой интерес и в мировом сообществе [17,18].…”
Section: Introductionunclassified