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Title: Magnetic and crystallographic properties of the permanent magnet systems (R/sub 1-//sub x/Sc/sub x/)/sub 2/Fe/sub 14/B (R = Y, Nd, Dy, Er, Lu)

Abstract

Magnetic and crystallographic measurements have been made on the rare-earth iron boride systems (R/sub 1-//sub x/Sc/sub x/)/sub 2/Fe/sub 14/B (R = Y, Nd, Dy, Er, Lu). Powder x-ray diffraction data indicate that a Nd/sub 2/Fe/sub 14/B-type single phase persists up to x = 0.2 with lattice parameters decreasing slightly due to the smaller metallic radius of the Sc/sup 3 +/ ions. The variation of magnetic moments per formula unit with nonmagnetic Sc substitution depends on the smaller Sc size and the nature of the magnetic alignment of the rare-earth sublattice (nonmagnetic in Y and Lu, ferromagnetic axial in Nd, ferromagnetic planar in Er, and antiferromagnetic axial in Dy) with respect to the iron sublattice. The Curie temperature T/sub C/ decreases monotonically with progressive addition of Sc atoms.

Authors:
; ;
Publication Date:
Research Org.:
Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan 30043, Republic of China
OSTI Identifier:
6729738
Resource Type:
Journal Article
Journal Name:
J. Appl. Phys.; (United States)
Additional Journal Information:
Journal Volume: 64:10
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; BORON ALLOYS; CRYSTAL STRUCTURE; MAGNETIC SUSCEPTIBILITY; DYSPROSIUM ALLOYS; ERBIUM ALLOYS; IRON ALLOYS; LUTETIUM ALLOYS; NEODYMIUM ALLOYS; SCANDIUM ALLOYS; YTTRIUM ALLOYS; CURIE POINT; IRON BORIDES; ALLOYS; BORIDES; BORON COMPOUNDS; IRON COMPOUNDS; MAGNETIC PROPERTIES; PHYSICAL PROPERTIES; RARE EARTH ALLOYS; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; TRANSITION TEMPERATURE; 360102* - Metals & Alloys- Structure & Phase Studies; 360104 - Metals & Alloys- Physical Properties

Citation Formats

Chen, S K, Duh, J G, and Ku, H C. Magnetic and crystallographic properties of the permanent magnet systems (R/sub 1-//sub x/Sc/sub x/)/sub 2/Fe/sub 14/B (R = Y, Nd, Dy, Er, Lu). United States: N. p., 1988. Web. doi:10.1063/1.342331.
Chen, S K, Duh, J G, & Ku, H C. Magnetic and crystallographic properties of the permanent magnet systems (R/sub 1-//sub x/Sc/sub x/)/sub 2/Fe/sub 14/B (R = Y, Nd, Dy, Er, Lu). United States. doi:10.1063/1.342331.
Chen, S K, Duh, J G, and Ku, H C. Tue . "Magnetic and crystallographic properties of the permanent magnet systems (R/sub 1-//sub x/Sc/sub x/)/sub 2/Fe/sub 14/B (R = Y, Nd, Dy, Er, Lu)". United States. doi:10.1063/1.342331.
@article{osti_6729738,
title = {Magnetic and crystallographic properties of the permanent magnet systems (R/sub 1-//sub x/Sc/sub x/)/sub 2/Fe/sub 14/B (R = Y, Nd, Dy, Er, Lu)},
author = {Chen, S K and Duh, J G and Ku, H C},
abstractNote = {Magnetic and crystallographic measurements have been made on the rare-earth iron boride systems (R/sub 1-//sub x/Sc/sub x/)/sub 2/Fe/sub 14/B (R = Y, Nd, Dy, Er, Lu). Powder x-ray diffraction data indicate that a Nd/sub 2/Fe/sub 14/B-type single phase persists up to x = 0.2 with lattice parameters decreasing slightly due to the smaller metallic radius of the Sc/sup 3 +/ ions. The variation of magnetic moments per formula unit with nonmagnetic Sc substitution depends on the smaller Sc size and the nature of the magnetic alignment of the rare-earth sublattice (nonmagnetic in Y and Lu, ferromagnetic axial in Nd, ferromagnetic planar in Er, and antiferromagnetic axial in Dy) with respect to the iron sublattice. The Curie temperature T/sub C/ decreases monotonically with progressive addition of Sc atoms.},
doi = {10.1063/1.342331},
journal = {J. Appl. Phys.; (United States)},
number = ,
volume = 64:10,
place = {United States},
year = {1988},
month = {11}
}