Abrupt Change of NMR Line Shape in the Low Temperature Phase of Fe_3O_4

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概要

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• Temperature dependences of' the NMR line shape were nneasured in the lowtemperature phase of magnetite. For the sample which was cooled to 4.2 K in an exter-nal magnetic field, we found an abrupt change of line shape at about 26 K. Thisphenomenon must be caused by the changing of an electron ordering structure in themagnetic domain walls and may be explained by use of a pinning plane model. Thatis, in the magnetically stabilized structure, a kind of plane in which the electron ordering structure is "abnormal" pins the major part of magnetic dornain walls. The planestructure changes at 26 K and an ordinary structure of the magnetic domain isreconstructed drastically by the release of the magnetic domain walls from the plane.

• 社団法人日本物理学会の論文
• 1985-11-15

著者

• Mizoguchi Moriji

  Department of General Education, Tokyo Medical and Dental University

• Mizoguchi Moriji

  Department Of Physics Faculty Of Science The University Of Tokyo

関連論文

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• Absence of Heat Capacity Anomaly at about 10 K in Fe_3O_4
• The Transistorized B-H Loop Tracer and the Asteroid Curve Tracer
• Temparature Dependence of NMR of Magnetic at about 10 K
• Thyratron Switch for Pulsed NMR Apparatus
• Abrupt Change of NMR Line Shape in the Low Temperature Phase of Fe_3O_4
• Structure of Fe_3O_4 in the Low Temperature Phase as Deduced from Advanced Analysis of the NMR Study
• NMR Study of the Low Temperature Phase of Fe_3O_4.II.Electron Ordering Analysis
• NMR Study of the Low Temperature Phase of Fe_3O_4.I.Experiments
• Temperature Dependence of ^V NMR in V_2O_3 up to 1000 K

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