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AbstractAbstract
[en] We report a systematic investigation on the structural and magnetic properties of molecular-beam epitaxial growth of CrTe thin films with different layer thicknesses and Cr/Te flux ratios. A phase diagram of the growth parameters is established based on the detailed analyses of the reflection high-energy electron diffraction patterns, atomic force microscopy, and magnetization. Our high-resolution transmission electron microscopy results show that under appropriate growth conditions, a metastable zinc-blende (ZB) phase of CrTe film can be achieved with a nominal thickness of 5 nm. The magnetic properties of ZB CrTe exhibit a strong in-plane anisotropy with an easy axis along the [001] direction and hard axes along the [011] and [011] directions. Correspondingly, the uniaxial (KU) and cubic (KC) anisotropy constants are obtained through the fitting of the [011] hard-axis direction. The temperature dependence of the remanent magnetization indicates the TC∼100 K of ZB CrTe is attained
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Source
(c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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Country of publication
ANISOTROPY, ATOMIC FORCE MICROSCOPY, CHROMIUM COMPOUNDS, CRYSTAL GROWTH, ELECTRON DIFFRACTION, FERROMAGNETIC MATERIALS, MAGNETIC PROPERTIES, MAGNETIZATION, MOLECULAR BEAM EPITAXY, PHASE DIAGRAMS, TELLURIUM COMPOUNDS, TEMPERATURE DEPENDENCE, TEMPERATURE RANGE 0065-0273 K, THICKNESS, THIN FILMS, TRANSMISSION ELECTRON MICROSCOPY, ZINC SULFIDES
CHALCOGENIDES, COHERENT SCATTERING, CRYSTAL GROWTH METHODS, DIAGRAMS, DIFFRACTION, DIMENSIONS, ELECTRON MICROSCOPY, EPITAXY, FILMS, INFORMATION, INORGANIC PHOSPHORS, MAGNETIC MATERIALS, MATERIALS, MICROSCOPY, PHOSPHORS, PHYSICAL PROPERTIES, SCATTERING, SULFIDES, SULFUR COMPOUNDS, TEMPERATURE RANGE, TRANSITION ELEMENT COMPOUNDS, ZINC COMPOUNDS
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