Dynamical shift of NMR lines in nanostructured Ga–In–Sn melt

A. V. Uskov; D. Yu Nefedov; E. V. Charnaya; D. Yu Podorozhkin; A. O. Antonenko; J. Haase; D. Michel; M. K. Lee; L. J. Chang; Yu A. Kumzerov; A. V. Fokin; A. S. Bugaev

doi:10.1134/S1063783417120319

Dynamical shift of NMR lines in nanostructured Ga–In–Sn melt

A. V. Uskov, D. Yu Nefedov, E. V. Charnaya, D. Yu Podorozhkin, A. O. Antonenko, J. Haase, D. Michel, M. K. Lee, L. J. Chang, Yu A. Kumzerov, A. V. Fokin, A. S. Bugaev

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Abstract

NMR spectrum and recovery of longitudinal nuclear magnetization after inverting pulses were measured for isotopes ⁶⁹Ga and ⁷¹Ga in a liquid eutectic alloy Ga–In–Sn introduced in porous glasses having pores with the sizes of 25 and 7 nm. The measurements were conducted in the fields of 9.4, 11.7, and 17.6 T and compared with those for the bulk melt sample. Differences between the shape and position of the NMR lines in various fields and for different gallium isotopes were revealed in the melt introduced into the porous glass with the pores size of 7 nm. Data obtained for this sample were interpreted based on the theoretical model of dynamic quadrupolar shift, and correlation time of atomic motion was found within this model. Characteristics of the atomic motion calculated based on the dynamic shift model and from the spin relaxation data were shown to agree with each other.

Original language	English
Pages (from-to)	2481-2485
Number of pages	5
Journal	Physics of the Solid State
Volume	59
Issue number	12
DOIs	https://doi.org/10.1134/S1063783417120319
Publication status	Published - 2017 Dec 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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@article{79571e5315f84dfb87af34b1b2dcc8db,

title = "Dynamical shift of NMR lines in nanostructured Ga–In–Sn melt",

abstract = "NMR spectrum and recovery of longitudinal nuclear magnetization after inverting pulses were measured for isotopes 69Ga and 71Ga in a liquid eutectic alloy Ga–In–Sn introduced in porous glasses having pores with the sizes of 25 and 7 nm. The measurements were conducted in the fields of 9.4, 11.7, and 17.6 T and compared with those for the bulk melt sample. Differences between the shape and position of the NMR lines in various fields and for different gallium isotopes were revealed in the melt introduced into the porous glass with the pores size of 7 nm. Data obtained for this sample were interpreted based on the theoretical model of dynamic quadrupolar shift, and correlation time of atomic motion was found within this model. Characteristics of the atomic motion calculated based on the dynamic shift model and from the spin relaxation data were shown to agree with each other.",

author = "Uskov, {A. V.} and Nefedov, {D. Yu} and Charnaya, {E. V.} and Podorozhkin, {D. Yu} and Antonenko, {A. O.} and J. Haase and D. Michel and Lee, {M. K.} and Chang, {L. J.} and Kumzerov, {Yu A.} and Fokin, {A. V.} and Bugaev, {A. S.}",

note = "Funding Information: ACKNOWLEDGMENTS The work was supported by the Russian Foundation for Basic Research (project no. 16-57-52009). Part of the measurements was performed at the resource center “Center for diagnostics of functional materials in medicine, pharmacology, and nanoelec-tronics” of St. Petersburg State University. Publisher Copyright: {\textcopyright} 2017, Pleiades Publishing, Ltd.",

year = "2017",

month = dec,

day = "1",

doi = "10.1134/S1063783417120319",

language = "English",

volume = "59",

pages = "2481--2485",

journal = "Physics of the Solid State",

issn = "1063-7834",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "12",

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TY - JOUR

T1 - Dynamical shift of NMR lines in nanostructured Ga–In–Sn melt

AU - Uskov, A. V.

AU - Nefedov, D. Yu

AU - Charnaya, E. V.

AU - Podorozhkin, D. Yu

AU - Antonenko, A. O.

AU - Haase, J.

AU - Michel, D.

AU - Lee, M. K.

AU - Chang, L. J.

AU - Kumzerov, Yu A.

AU - Fokin, A. V.

AU - Bugaev, A. S.

N1 - Funding Information: ACKNOWLEDGMENTS The work was supported by the Russian Foundation for Basic Research (project no. 16-57-52009). Part of the measurements was performed at the resource center “Center for diagnostics of functional materials in medicine, pharmacology, and nanoelec-tronics” of St. Petersburg State University. Publisher Copyright: © 2017, Pleiades Publishing, Ltd.

PY - 2017/12/1

Y1 - 2017/12/1

N2 - NMR spectrum and recovery of longitudinal nuclear magnetization after inverting pulses were measured for isotopes 69Ga and 71Ga in a liquid eutectic alloy Ga–In–Sn introduced in porous glasses having pores with the sizes of 25 and 7 nm. The measurements were conducted in the fields of 9.4, 11.7, and 17.6 T and compared with those for the bulk melt sample. Differences between the shape and position of the NMR lines in various fields and for different gallium isotopes were revealed in the melt introduced into the porous glass with the pores size of 7 nm. Data obtained for this sample were interpreted based on the theoretical model of dynamic quadrupolar shift, and correlation time of atomic motion was found within this model. Characteristics of the atomic motion calculated based on the dynamic shift model and from the spin relaxation data were shown to agree with each other.

AB - NMR spectrum and recovery of longitudinal nuclear magnetization after inverting pulses were measured for isotopes 69Ga and 71Ga in a liquid eutectic alloy Ga–In–Sn introduced in porous glasses having pores with the sizes of 25 and 7 nm. The measurements were conducted in the fields of 9.4, 11.7, and 17.6 T and compared with those for the bulk melt sample. Differences between the shape and position of the NMR lines in various fields and for different gallium isotopes were revealed in the melt introduced into the porous glass with the pores size of 7 nm. Data obtained for this sample were interpreted based on the theoretical model of dynamic quadrupolar shift, and correlation time of atomic motion was found within this model. Characteristics of the atomic motion calculated based on the dynamic shift model and from the spin relaxation data were shown to agree with each other.

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JO - Physics of the Solid State

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Dynamical shift of NMR lines in nanostructured Ga–In–Sn melt

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