Magnetic correlations near the critical concentration for ferromagnetism

Journal Article · Thu Dec 31 23:00:00 EST 1981 · AIP Conf. Proc.; (United States)

DOI:https://doi.org/10.1063/1.33673· OSTI ID:6489566

Rainford, B D; Burke, S K; Davis, J R; Howarth, W

The onset of ferromagnetism in Fe Cr alloys and amorphous Fe Mn alloys has been studied using neutron small angle scattering. The technique allows the magnetic phase boundaries to be delineated and reveals the evolution of the magnetic correlations as a function of temperature and concentration. The data for Fe Cr are consistent with behavior expected at a percolation multicritical point. The amorphous Fe Mn alloys undergo a transition from ferromagnetism to a spin glass phase with a re-entrant phase boundary. In both systems the correlation lengths fail to diverge at the ferromagnetic critical temperatures.

• Research Organization: Southampton Univ., England
• OSTI ID: 6489566
• Journal Information: AIP Conf. Proc.; (United States), Journal Name: AIP Conf. Proc.; (United States) Vol. 89; ISSN APCPC
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
AMORPHOUS STATE
BARYONS
CHROMIUM ALLOYS
CORRELATIONS
DATA
ELEMENTARY PARTICLES
EXPERIMENTAL DATA
FERMIONS
FERROMAGNETISM
HADRONS
INFORMATION
IRON ALLOYS
MAGNETISM
NEUTRONS
NUCLEONS
NUMERICAL DATA
PHASE TRANSFORMATIONS
QUANTITY RATIO
SCATTERING
SMALL ANGLE SCATTERING
TEMPERATURE DEPENDENCE