2-DIMENSIONAL ANTIFERROMAGNETISM OF SOLID HE-3 ADSORBED ON PLATED GRAPHITE

Authors
SIQUEIRA M LUSHER CP COWAN BP SAUNDERS J
Citation
M. Siqueira et al., 2-DIMENSIONAL ANTIFERROMAGNETISM OF SOLID HE-3 ADSORBED ON PLATED GRAPHITE, Physical review letters, 71(9), 1993, pp. 1407-1410
Citations number
21
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
71
Issue
9
Year of publication
1993
Pages
1407 - 1410
Database
ISI
SICI code
0031-9007(1993)71:9<1407:2AOSHA>2.0.ZU;2-2
Abstract
We report measurements of the nuclear magnetic susceptibility of the m onolayer two-dimensional solid formed by He-3 adsorbed on graphite pla ted with two atomic layers of HD. A low-density solid is observed, con sistent with a square-root 7 x square-root 7 registered structure, whi ch exhibits large antiferromagnetic exchange. A distinct cusp in the s usceptibility is observed near 1 mK, suggestive of a magnetic phase tr ansition. The evolution of this and other features with surface densit y is discussed.