Hyperfine Fields of Non-Magnetic Atoms in Ferromagnetic Heusler Alloys:Co_2TiAl and Co_2TiGa

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概要

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• The hyperfine fields of Ti""', Al" and Ga""' in ferromagnetic Heusleralloys Co.TiAl and Co.TiGa are measured, and the Knight shifts of AN" andGa""' are also measured in the paramagnetic state above the Curie temperature.The hyperfine fields of Ti""' are -24.1.[0.4k0e in Co.TiAI and -26.6-30.4k0e in Co.TiGa, They contrast with the positive fields of Co". The hyperfinefield of Al" in Co.TiAl is - l.78f0.2 k0e and that of Ga""' in Co.TiGa is-l-2.76:l-0.2k0e. The Kniuht shifts at hieh temr>erature limit are -l-0.06Z forAl" and -F-0.16% for Ga""'. These small fields and Knight shifts originatefrom the reduction of the density of s electrons at Fermi level as seen for AN inalloys with transition elements.

• 社団法人日本物理学会の論文
• 1984-01-15

著者

• ENDO Keizo

  Department of Physics, Faculty of Science, Tokyo Metropolitan University

• Endo Keizo

  Department Of Physics Faculty Of Science Tohoku Metropolitan University

• SHINOGI Akira

  Department of Physics,Faculty of Science,Tokyo Metropolitan University

• Shinogi Akira

  Department Of Physics Faculty Of Science Tokyo Metropolitan University

関連論文

• Magnetic Properties of the Heusler Alloys M_2XSn (M=Co or Ni, X=Zr, Nb or Hf)
• Magnetic Properties of Cl_b Compounds; CoVSb, CoTiSb and NiTiSb
• Magnetic Susceptibilities of Cl_b Compounds CoVSb and CoTiSb
• Magnetic Studies of Cl_b-Compounds Ni_xCu_MnSb
• Anomalous High Field Magnetization in Sc (Co_Al_x)_2
• GMR in Heusler Type Alloys Fe_V_Al : Condensed Matter: Electronic Properties, etc.
• Anomalous Giant Magnetoresistance in Heusler-Type Alloys Fe_VGa
• The Density of States of 3d-Electron Band in Pseudobinary Alloys CoTi_AI_x by Photoelectron Spectroscopy Using Synchrotron Radiation
• The Transition from Nonmagnetic State to Ferromagnetic State of Co in a Pseudobinary Alloy CoTi_Al_x
• Weak Itinerant Ferromagnetism in Sc (Co_Al_x)_2
• The Metamagnetic Transition in Pseudobinary Laves Phase Compounds Lu (Co_Al_x)_2
• Exchange Enhanced Pauli Paramagnetism of ScCo_2
• Coexistence of Nonmagnetic and Magnetic Co in Cubic Laves Phase Compounds Lu (Co_Al_x)_2
• Antiferromagnetism in a Heusler Alloy Fe_2VSi
• The Hyperfine Fields in the Heusler Alloy Pd_2MnSb
• Anomalous Line Shift in Nuclear Magnetic Resonance of Ferromagnetic Compounds Ni_Cu_xMnSb
• Anomalies Due to s-d Interaction in a Heusler Type Dilute Alloy Cu_2NiSn-Mn
• Hyperfine Fields of Non-Magnetic Atoms in Ferromagnetic Heusler Alloys:Co_2TiAl and Co_2TiGa
• Magnetic Studies of Cl_b-Compounds CuMnSb, PdMnSb and Cu_(Ni or Pd)_x MnSb
• Positive Contributions to the Hyperfine Fields at Co Nucleus in the Heusler Alloys; Co_2TiSn and Co_(Ni,Fe)_xTiSn
• The Nuclear Magnetic Relaxation of an Exchange Enhanced Paramagnet:CoTi : Temperature-Induced Local Moment Behavior
• Ferromagnetic Resonance in a Ferromagnetic Heusler Alloy Co_2TiAl
• Positive Hyperfine Field at Co^ in CoTi
• NMR Study of Co^ in Co_2TiAl below and above the Curie Temperature
• Antiferromagnetism of CuMnSb
• On the Magnetic Mement of Mn in Aluminum Housler Alloy
• A partially Ordered Structure of the Heusler Alloy Cu_2MnAl at High Temperature
• On the Decomposition of the Ferromagnetic Phase of the Heusler Alloy, Cu_2MnAl
• The Origin of the Positive Hyperfine Field at ^Co in a Ferromagnetic Heusler Alloy:Co_2TiAl

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