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首页> 外文期刊>Physica, B. Condensed Matter >Ultrahigh-frequency NMR of Tm3+ ions in single crystals of thulium ethylsulfate at high magnetic fields
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Ultrahigh-frequency NMR of Tm3+ ions in single crystals of thulium ethylsulfate at high magnetic fields

机译:高磁场下硫代硫酸ul单晶中Tm3 +离子的超高频NMR

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摘要

Resonant transitions predicted earlier between low-lying electron-nuclear sublevels of the Tm3+ ground state were observed at frequencies up to 700 MHz in a dielectric Van Vleck paramagnet-thulium ethylsulfate (TmES) single crystal. It is shown that, due to the distortion of the 4f-electron shell of rare-earth ion in an applied magnetic field, the parameters of electron-nuclear interaction become field dependent. Experimental results of second moment of Tm3+ enhanced NMR line in TmES are presented. The possible mechanisms of line broadening are considered, particularly as a result of the first excited doublet splitting. (C) 2003 Elsevier B.V. All rights reserved.
机译:在电介质Van Vleck顺磁体-乙基硫酸th(TmES)单晶中,在高达700 MHz的频率下观察到了Tm3 +基态低电子核子子级之间较早预测的共振跃迁。结果表明,由于稀土离子的4f电子壳在施加的磁场中变形,电子-核相互作用的参数变得与电场有关。给出了TmES中Tm3 +增强NMR谱线第二矩的实验结果。考虑到线变宽的可能机理,特别是由于第一次激发的双峰分裂。 (C)2003 Elsevier B.V.保留所有权利。

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