Magnetic studies of a detonation nanodiamond with the surface modified by gadolinium ions

被引：0
|
作者：
V. Yu. Osipov
A. E. Aleksenskiy
K. Takai
A. Ya. Vul’
机构：
[1] Russian Academy of Sciences,Ioffe Physical
[2] Hosei University,Technical Institute
来源：
Physics of the Solid State | 2015年 / 57卷
关键词：
Electron Paramagnetic Resonance; Electron Paramagnetic Resonance Spectrum; Electron Paramagnetic Resonance Signal; Diamond Particle; Detonation NANODIAMOND;
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学科分类号：
摘要：
The diamond nanoparticle surface is modified with Gd(III) ions by ion exchange with carboxyl group protons during the reaction of nanodiamond hydrosol with an aqueous solution of gadolinium nitrate. The results of the study by electron paramagnetic resonance and static magnetization measurements at low temperatures confirm the attachment of gadolinium ions to the surface of the diamond particle ∼5 nm in size. A spatial model of the arrangement of ions, in which the ion is located away from the surface by no more than 0.4 nm, is proposed.
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页码：2314 / 2319
页数：5
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