High /sub i/H/sub c/ perpendicular anisotropy Nd-Fe-B sputtered films
Conference
·
· IEEE Trans. Magn.; (United States)
OSTI ID:6806802
Film samples of Nd/sub 2/Fe/sub 14/B which exhibit perpendicular anisotropy have been synthesized by selectively thermalized sputtering onto heated substrates. Minor hysteresis loops measured with fields up to 20 kOe perpendicular to the film plane exhibited a remanent moment of 9.3 kG and an intrinsic coercive force, /sub i/H/sub c/, of 14.8 kOe at room temperature. The easy axis of magnetization was perpendicular to the film plane which correlated with a preferential texturing of the c-axis out of the film plane as observed by x-ray diffraction. Effective large perpendicular anisotropy constants of 1.2 x 10/sup 7/ erg/cc have been observed. Films sputtered at deposition rates lower than 1.8 A/sec exhibited perpendicular anisotropy while those deposited at rates greater than this exhibited in the plane anisotropy.
- Research Organization:
- Phys. Dept., Queens College of CUNY, Flushing, NY 11367
- OSTI ID:
- 6806802
- Report Number(s):
- CONF-860436-
- Conference Information:
- Journal Name: IEEE Trans. Magn.; (United States) Journal Volume: MAG-22:5
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
AMBIENT TEMPERATURE
ANISOTROPY
BORON ALLOYS
COERCIVE FORCE
COHERENT SCATTERING
DEPOSITION
DIFFRACTION
FABRICATION
FILMS
IRON ALLOYS
MAGNETIZATION
NEODYMIUM ALLOYS
ORIENTATION
RARE EARTH ALLOYS
SCATTERING
SPUTTERING
STRUCTURAL CHEMICAL ANALYSIS
SUBSTRATES
X-RAY DIFFRACTION
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
AMBIENT TEMPERATURE
ANISOTROPY
BORON ALLOYS
COERCIVE FORCE
COHERENT SCATTERING
DEPOSITION
DIFFRACTION
FABRICATION
FILMS
IRON ALLOYS
MAGNETIZATION
NEODYMIUM ALLOYS
ORIENTATION
RARE EARTH ALLOYS
SCATTERING
SPUTTERING
STRUCTURAL CHEMICAL ANALYSIS
SUBSTRATES
X-RAY DIFFRACTION