Slowdown of atomic diffusion in liquid gallium-indium alloy under different nanoconfinements

被引：3

作者：

Podorozhkin, D. Yu. ^{[1
]}

Tien, Cheng ^{[2
,3
]}

Charnaya, E. V. ^{[1
,2
]}

Lee, M. K. ^{[2
]}

Chang, L. J. ^{[2
]}

Michel, D. ^{[4
]}

Haase, J. ^{[4
]}

Kumzerov, Yu. A. ^{[5
]}

机构：

[1] St Petersburg State Univ, Inst Phys, St Petersburg 198504, Petrodvorets, Russia

[2] Natl Cheng Kung Univ, Dept Phys, Tainan 70101, Taiwan

[3] Natl Cheng Kung Univ, Ctr Micro Nano Sci & Technol, Tainan 70101, Taiwan

[4] Univ Leipzig, Fac Phys & Geosci, D-04103 Leipzig, Germany

[5] AF Ioffe Phys Tech Inst RAS, St Petersburg 194021, Russia

来源：

PHYSICA B-CONDENSED MATTER | 2012年 / 407卷 / 12期

关键词：

Confined geometry; NMR; Ga-In alloy; Melt; Atomic mobility; Nuclear spin relaxation; RELAXATION; GA;

D O I：

10.1016/j.physb.2012.02.005

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

NMR studies were carried out on three isotopes, Ga-71, Ga-69, and In-115, in liquid gallium-indium (Ga-In) alloy embedded into glasses with 200 and 5 nm pore sizes at two magnetic fields, 9.4 and 17.6 T. Spin-lattice relaxation and the Knight shift were found to depend on pore size. For porous glass with 5 nm pores the relaxation rate was field-dependent which evidenced that the extreme narrowing limit was no longer valid. Magnetization recovery data were used to evaluate the correlation times of atomic mobility and the quadrupole constants under nonoconfinement. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：2063 / 2067

页数：5

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