论文标题

旋转链中缺陷的电子自旋共振。 O-(DMTTF)2x:一种多功能系统,其表现像分子磁铁

Electron Spin Resonance of Defects in Spin Chains. o-(DMTTF)2X : a versatile system behaving like molecular magnet

论文作者

Soriano, L., Zeisner, J., Kataev, V., Pilone, O., Fourmigué, M., Jeannin, O., Vezin, H., Orio, M., Bertaina, S.

论文摘要

本文使用连续波和脉冲技术介绍了自旋链O-(DMTTF)2X家族中缺陷的电子顺磁共振研究。自旋链中的缺陷密切相关,并具有与分子磁体相似的显微镜结构。通过2D馆和DFT计算,我们显示了缺陷和核自旋浴之间的超精细耦合的大幅度降低。我们假设还原是由于海森贝格交换相互作用引起的,该交流相互作用筛选了核的效果。

The paper presents the Electron Paramagnetic Resonance study of defects in the spin chain o- (DMTTF)2X family using continuous wave and pulsed techniques. The defects in spin chains are strongly correlated and present similar microscopic structure as a molecular magnet. By means of 2D-HYSCORE and DFT calculations we show a strong reduction of hyperfine coupling between the defects and the nuclear spin bath. We assume that the reduction is due to the Heisenberg exchange interaction which screens the effect of the nuclei.

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