Magnetostriction of RFe11Ti and RFe10Cr2

Chin. Phys. Lett.

1993, Vol. 10

Issue (3): 179-182 DOI:

Original Articles

Magnetostriction of RFe₁₁Ti and RFe₁₀Cr₂

LI Jingyuan;LI Qing an;YANG Fuming;LI Ruqi;FAN Xiaoli;ZMAO Xuegen;JIA Kechang

Magnetism Laboratory, Institute of Physics, Academia Sinica, Beijing 100080

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LI Jingyuan, LI Qing an, YANG Fuming et al 1993 Chin. Phys. Lett. 10 179-182

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Abstract The magnetostriction of polycrystal RFe₁₁Ti (R=Nd, Sm, Gd, Tb, Dy, Ho, Er and Y) and RFe₁₀Cr₂(R=Tb and Dy) compounds with ThMn₁₂-typestructure have been investigated at 77K and room temperature in magnetic fields up to 20kOe. The values ofmagnetastriction λ_t = λ_|| - λ_⊥ in H=20kOe at 300K are 180 x10^-6 for TbFe₁₁Ti and 106x10^-6 for Tb₁₀Cr₂. The magnetostrictions for compounds with R=Nd, Sm, Dy, Ho and Er are very small. The signs of λ_t for all these compounds are in agreement with that predicted by the singleion crystal field theory. All studied samples show a volume magnetostriction feature. Their forced magnetostrictions Δω/ΔH have a value which is close to that of YFe₁₁Ti, 27 x 10^-10/Oe. It reveals that the Fe sublattice is responsible for the volumc magnetostriction.

Keywords: 75.80.+q

Published: 01 March 1993

PACS:

75.80.+q

(Magnetomechanical effects, magnetostriction)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1993/V10/I3/0179

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	LI Jingyuan
	LI Qing an
	YANG Fuming
	LI Ruqi
	FAN Xiaoli
	ZMAO Xuegen
	JIA Kechang

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