Investigation of magnetic properties of Rb3C60 single crystal fullerene using torque experiments
Автор: Chigvinadze Jaba, Buntar Victor, Ashimov Sabir, Machaidze Teimuraz, Donadze Giorgi
Журнал: НБИ технологии @nbi-technologies
Рубрика: Технико-технологические инновации
Статья в выпуске: 3 (22), 2016 года.
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For the first time, magnetic properties of fullerides have been studied using a torque technique. A Rb3C60 single crystal has been investigated in these experiments. It was shown that this method is sensitive to the structural phase transition in both superconducting and normal states. In the superconducting state a transition at Tc = 28 K was observed and a pinning force of the magnetic vortices has been estimated. In the normal state, the transition from s.c. to f.c.c. structure has been indicated. A very strong magnetic response has also been observed at temperatures T ~ 200-250 K, which may be explained in terms of the rearrangement on the magnetic system in the material.
Magnetic state, rb3c60, fullerene, superconductivity, normal state
Короткий адрес: https://sciup.org/14968430
IDR: 14968430 | DOI: 10.15688/jvolsu10.2016.3.2
Список литературы Investigation of magnetic properties of Rb3C60 single crystal fullerene using torque experiments
- Buntar V., Haluska M., Kuzmany H., Sauerzopf F.M., Weber H.W. Preparation and Characterization of Rb3C60 Bulk Single Crystals. Supercond. Sci. Technol., 2003, no. 16, p. 907.
- Buntar V., Zauerzopf F.M., Weber H.W., Halushka M., Kuzmany H. Systematic Treatment of Displacements, Strains, and Electric Fields in Densityfunctional Perturbation Theory. Phys. Rev. B, 2005, no. 72, p. 024521.
- Chigvinadze J. Effect of Surface and Volume Defects. JETP, 1972, no. 63, p. 2144.
- Chigvinadze J. Effect of Surface and Volume Defects on the Dissipative Processes in Type-II Superconductors. JETP, 1973, no. 65, p. 1923.
- Fuhrmans M., Heiden C. The Impact of Cryogenics Was Wide and Varied. Cryogenics, 1976, no. 8, p. 451.
- Matus P., Alloul H., Kriza G., Brouet V., Singer P.M., Garaj S., Forro L. Influence of Local Fullerene Orientation on the Electronic Properties of Na2AC60 (A = Cs, Rb, K) Compounds. Phys. Rev. B, 2006, no. 74, p. 214509.
- Nemes N.M., Fischer J.E., Baumgartner G., Forró L., Fehér T., Oszlányi G., Simon F., Jánossy A. Conduction-electron Spin Resonance in the Superconductor K3C60. Phys. Rev. B, 2000, vol. 61, no. 10, p. 7118-7121.
- Yoshinari Y., Alloul H., Brouet V., Kriza G., Holczer K., Forro L. Molecular Motion and Phase Transition in K3C60 and Rb3C60 by Nuclear Magnetic Resonance. Phys. Rev. B, 1996, no. 54, p. 6155.
- Yoshinari Y., Alloul H., Kriza G., Holczer K. Liquid Hydrogen Targets. 93Yo06 Molecular Dynamics in K3C60: A 13C NMR study. Phys. Rev. Lett., 1993, no. 71, p. 2413.
