SQUARED-SPIN-MODULATED VERSUS SPIRAL-LIKE MAGNETIC-STRUCTURES IN GDNI2B2C - A GD-155 MOSSBAUER-EFFECT INVESTIGATION

Authors
TOMALA K SANCHEZ JP VULLIET P CANFIELD PC DRZAZGA Z WINIARSKA A
Citation
K. Tomala et al., SQUARED-SPIN-MODULATED VERSUS SPIRAL-LIKE MAGNETIC-STRUCTURES IN GDNI2B2C - A GD-155 MOSSBAUER-EFFECT INVESTIGATION, Physical review. B, Condensed matter, 58(13), 1998, pp. 8534-8541
Citations number
21
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
58
Issue
13
Year of publication
1998
Pages
8534 - 8541
Database
ISI
SICI code
0163-1829(1998)58:13<8534:SVSMIG>2.0.ZU;2-9
Abstract
Gd-155 Mossbauer spectroscopy has been used to study the magnetic prop erties of GdNi2B2C. It was shown that below T-R congruent to 14 K this compound orders in a bunched spiral-like magnetic structure with. gad olinium magnetic moments rotating within the (b,c) plane. Between T = 14 K and the Neel temperature of T(N)congruent to 20 K the magnetic st ructure is of sine-modulated type with gadolinium moments perpendicula r to the tetragonal c axis. The observation of high-order harmonics in dicates, however, a partial squaring of the sine modulation.