NMR evidence for enhanced orbital diamagnetism in topologically nontrivial half-Heusler semimetals

209Bi nuclear magnetic resonance (NMR) spectroscopy was employed to probe potential spin-orbit effects on orbital diamagnetism in YPtBi and YPdBi crystals. The observed opposite sign and temperature dependent magnitude of 209Bi NMR shifts of both crystals reveal experimental signatures of enhanced o...

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Published inarXiv.org
Main Authors Shi, Chenglong, Xi, Xuekui, Hou, Zhipeng, Zhang, Xiaoming, Xu, Guizhou, Liu, Enke, Wang, Wenquan, Wang, Wenhong, Wu, Guangheng
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 28.11.2014
Subjects
Bismuth isotopes
Diamagnetism
Electron spin
Metalloids
NMR
Nuclear magnetic resonance
Orbital resonances (celestial mechanics)
Physics - Materials Science
Physics - Strongly Correlated Electrons
Spin-orbit interactions
Temperature dependence
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Summary:209Bi nuclear magnetic resonance (NMR) spectroscopy was employed to probe potential spin-orbit effects on orbital diamagnetism in YPtBi and YPdBi crystals. The observed opposite sign and temperature dependent magnitude of 209Bi NMR shifts of both crystals reveal experimental signatures of enhanced orbital diamagnetism induced by spin-orbit interactions. This investigation indicates that NMR isotropic shifts might be beneficial in search of interesting spin-electronic phases among a vast number of topological nontrivial half-Heusler semimetals.
ISSN:2331-8422
DOI:10.48550/arxiv.1408.0078