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Titolo: Structure and magnetic and magnetostrictive properties of (Tb0.7Dy0.3) Pr0.7(0.3) (Fe1xCox) (1.85) (0 <= x <= 0.6)
Autore: Guo, ZJ; Busbridge, SC; Wang, BW; Zhang, ZD; Zhao, XG;
 Indirizzi:
 Acad Sinica, Inst Met Res, Shenyang 110015, Peoples R China Acad Sinica Shenyang Peoples R China 110015 yang 110015, Peoples R China Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China Acad Sinica Shenyang Peoples R China 110015 yang 110015, Peoples R China Univ Brighton, Sch Engn, Brighton BN2 4GJ, E Sussex, England Univ Brighton Brighton E Sussex England BN2 4GJ N2 4GJ, E Sussex, England
 Titolo Testata:
 IEEE TRANSACTIONS ON MAGNETICS
fascicolo: 4,
volume: 37,
anno: 2001,
parte:, 2
pagine: 3025  3027
 SICI:
 00189464(200107)37:4<3025:SAMAMP>2.0.ZU;2W
 Fonte:
 ISI
 Lingua:
 ENG
 Soggetto:
 ALLOYS; CO;
 Tipo documento:
 Article
 Natura:
 Periodico
 Settore Disciplinare:
 Physical, Chemical & Earth Sciences
 Citazioni:
 12
 Recensione:
 Indirizzi per estratti:
 Indirizzo: Guo, ZJ Acad Sinica, Inst Met Res, Shenyang 110015, Peoples R China Acad Sinica Shenyang Peoples R China 110015 015, Peoples R China



 Citazione:
 Z.J. Guo et al., "Structure and magnetic and magnetostrictive properties of (Tb0.7Dy0.3) Pr0.7(0.3) (Fe1xCox) (1.85) (0 <= x <= 0.6)", IEEE MAGNET, 37(4), 2001, pp. 30253027
Abstract
Measurements of the structure, magnetic properties, and magnetostriction were made on aremelted polycrystalline (Tb0.7Dy0.3)(0.7)TPr0.3(Fe1xCox)1.135 (0 less than or equal to x less than or equal to 0.6) alloys by Xray diffraction, initial susceptibility, vibrating sample magnetometry, and standard strain gauge techniques. The measurements showed that the matrix of (Tb0.7Dy0.3)(0.7)Pr0.3(Fe1xCox)(1.85) predominantly consists of the MgCu2type cubic Laves phase, with a small amount of PuNi3type and rareearth richphases. The amount of (Tb, Dy, Pr)(Fe, Co)(2) in (Tb0.7Dy0.3)(0.7)Pr0.3(Fe1xCox)(1.85) increases with increasing Co concentration and becomes almost the only phase present when x greater than or equal to 0.4. The lattice parameter decreases approximately linearly with increasing x from 0.7357 nm when x = 0 to 0.7300 nm when x = 0.6. The Curie temperature increases with increasing x from 640 K when x = 0 to 677 K when x = 0.3, and then decreases to 572 K when x = 0.6. The saturation magnetization Ms exhibits a minimum near x = 0.3. The polycrystalline magnetostriction of (Tb0.7Dy0.3)(0.7)Pr0.3(Fe1xCox)(1.85) decreases monotonically with increasing x. There is noevidence of an anomalously large lambda (100) value as is the case for other R(Fe1xCox)(2) compounds.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/20 alle ore 06:43:33