Search Results - "Mamniashvili, G."

A Study of the Nature of the NMR Signal in Lithium Ferrite upon Exposure to a Low-Frequency Magnetic Field by Mamniashvili, G. I., Gegechkori, T. O., Gavasheli, Ts. A.

“…The effect of modulation of the decay envelope of the echo signal of 57 Fe nuclei in lithium ferrite is studied experimentally, which demonstrates its…”
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Analogue of the Single Pulse Echo Signal Generated by a Supplementary Magnetic Video Pulse in Lithium Ferrite by Gavasheli, Ts. A., Mamniashvili, G. I., Gegechkori, T. O.

“…An analogue of the single-pulse echo signal in lithium ferrite is obtained under the combined influence of the trailing edge of a sufficiently long exciting…”
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Analog of a Single-Pulse Echo Signal in Cobalt Formed by an Additional Magnetic Videopulse by Mamniashvili, G. I., Gegechkori, T. O.

“…An analog of a single-pulse echo signal (edge magnetic echo) is shown to arise when an additional magnetic video-pulse and the trailing edge of a sufficiently…”
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Investigation of the Characteristics of Domain Wall Fixation Centers in Cobalt by Nuclear Magnetic Resonance by Mamniashvili, G. I., Gegechkori, T. O.

“…The characteristics of fixation centers of cobalt domain walls are studied by two alternative methods of nuclear magnetic resonance as an echo signal under the…”
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Investigation of the pinning and mobility of domain walls in cobalt micro- and nanowires by the nuclear spin echo method under the additional influence of a magnetic video pulse by Gavasheli, T.A., Mamniashvili, G.I., Shermadini, Z.G., Zedginidze, T.I., Petriashvili, T.G., Gegeckori, T.O., Janjalia, M.V.

“…The dynamics of domain walls in magnetic cobalt microwires synthesized using electroless technology was studied by the nuclear spin echo method of 59Co nuclei…”
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Chemical Synthesis of Cobalt Nanowires in an External Magnetic Field and Their Characterization by NMR by Mamniashvili, G. I., Gegechkori, T. O., Zedginidze, T. I., Petriashvili, T. G., Janjalia, M. V., Gavasheli, T. A., Kezerashvili, R. Ya

“…The possibility of measuring the degree of fixing (pinning force) of domain walls in cobalt nanowires by the NMR spin-echo method under the action of an…”
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Magnetic Properties and Photocatalytic Activity of the TiO2 Micropowders and Nanopowders Coated by Ni Nanoclusters by Japaridze, D., Daraselia, D., Chikvaidze, E., Gogoladze, T., Nadareishvili, M., Gegechkori, T., Zedginidze, T., Petriashvili, T., Mamniashvili, G., Shengelaya, A.

“…In this work, TiO 2 micropowders and nanopowders coated by Ni nanoclusters have been prepared by original electroless deposition method. The presence of Ni…”
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Technology for production of magnetic carbon nanopowders doped with iron and cobalt nanoclusters by Gеgechkori, T., Маmniashvili, G., Kutelia, E., Rukhadze, L., Maisuradze, N., Eristavi, B., Gventsadze, D., Аkhalkatsi, А., Gavasheli, T., Daraselia, D., Japaridze, D., Shengelaya, А.

“…Complex scanning electron microscope and Auger electron spectroscope structure and composition measurements, along with the vibrating sample magnetometer and…”
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Production of cobalt nanopowders by electron-beam technology and their NMR and magnetometry study by Маmniashvili, G., Gegechkori, T., Оkrosashvili, М., Kutelia, E., Аkhalkatsi, А., Gavasheli, T., Daraselia, D., Djaparidze, D., Shengelaya, А., Peikrishvili, А., Lesuer, D.

“…Complex structure, magnetometry and NMR investigation of nanostructural cobalt powders synthesized using electron-beam technology was carried out. The…”
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Fabrication of Cu-W Nanocomposites by Integration of Self-Propagating High-Temperature Synthesis and Hot Explosive Consolidation Technologies by S. V. Aydinyan, H. V. Kirakosyan, M. K. Zakaryan, L. S. Abovyan, S. L. Kharatyan, A. Peikrishvili, G. Mamniashvili, B. Godibadze, E. Sh. Chagelishvili, D. R. Lesuer, M. Gutierrez

“…Manufacturing W-Cu composite nanopowders was performed via joint reduction of CuO and WO3 oxides with various ratios (W:Cu = 2:1, 1:1, 1:3, 1:13.5) using…”
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Two-pulse stimulated echo in magnets by Zviadadze, M. D., Mamniashvili, G. I., Gegechkori, T. O., Akhalkatsi, A. M., Gavasheli, Ts. A.

“…Results obtained by experimentally studying two-pulse stimulated echo in ferromagnetic materials of two types are presented. Ferromagnetic Co and half-metal…”
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NMR Spin-Echo Spectroscopy in Magnets Using Arbitrary Duration Radio-Frequency Pulses by Zviadadze, M. D., Mamniashvili, G. I., Gegechkori, T. O., Akhalkatsi, A. M., Gavasheli, T. A.

“…The work is devoted to the quantum-statistical investigation of echo-processes in magnets excited by a series of radio-frequency arbitrary duration pulses. The…”
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Timing and Spectral Diagrams of Magnetic Video-Pulse Excitation Influence on NMR Spin–Echo in Magnets by Mamniashvili, G. I., Gegechkori, T. O., Akhalkatsi, A. M., Gavasheli, T. A., Kutelia, E. R., Rukhadze, L. N., Gventsadze, D. I.

“…NMR methods are successfully used in obtaining the microscopic information on the internal magnetic structure and dynamical processes in magnets. The important…”
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On the mechanism of formation of multiple echo in magnetic materials by Mamniashvili, G. I., Gegechkori, T. O., Akhalkatsi, A. M., Gavasheli, Ts. A.

“…The nature of main components of the multiple echo-response in magnetic materials upon the action of two broad resonance pulses has been revealed. It has been…”
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Multiple signals of nuclear spin echoes in ferromagnets excited by radio-frequency pulses of arbitrary duration by Zviadadze, M. D., Lepsveridze, R. L., Mamniashvili, G. I., Akhalkatsi, A. M.

“…Calculations have been performed of multiple signals of nuclear spin echoes excited in ferromagnets by two radio-frequency pulses whose duration can exceed the…”
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Magnetic video-pulse action on the nuclear spin echo in multidomain magnetic materials by Akhalkatsi, A. M., Gegechkori, T. O., Mamniashvili, G. I., Shermadini, Z. G., Pogorelyi, A. N., Kuz’mak, O. M.

“…The dependences of the intensities of two-pulse and single-pulse echoes on the time of the application of the pulses of magnetostatic field (video pulses) and…”
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Proton spin-lattice relaxation time in ordering VHx alloys by MAMNIASHVILI, G. I, NAMORADZE, N. Z, RATISHVILI, I. G, SHARIMANOV, Yu. G

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Relaxation Oscillations of Zeeman and Dipole Magnetizations of a Paramagnet under Conditions of a Deep Low-Frequency Modulation by Zviadadze, M. D., Kvirikadze, A. G., Lepsveridze, R. L., Mamniashvili, G. I., Sozashvili, N. M.

“… The relaxation oscillations of Zeeman and dipole magnetizations in the spin system of a solid paramagnet are theoretically analyzed in conditions of…”
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On some new modulation effects in magnetic resonance by Akhalkatsi, A., Zviadadze, M., Mamniashvili, G., Pogorely, A., Kuzmak, O.

“…Two new modulation effects are considered: the appearance of relaxation oscillations of Zeeman and dipole magnetizations in nuclear and electron paramagnets,…”
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NMR inversion echo analog in cobalt and lithium ferrite under the combined action of radiofrequency and magnetic pulses by Mamniashvili, G., Gegechkori, T., Gavasheli, T.

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