high field esr
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Author(s):  
Vladislav Kataev

AbstractComplex iridium oxides have attracted recently a substantial interdisciplinary attention due to an intimate entanglement of spin and orbital degrees of freedom which may give rise to a novel spin–orbital Mott insulating behavior and exotic quantum spin liquid phases. Electron spin resonance (ESR) spectroscopy is known to be an instructive tool for studying the spin–orbital coupling (SOC) effects as it can directly access the relevant parameters sensitive to SOC, such as the g factor tensor, magnetic anisotropy gaps and spin dynamics. In this article, a systematic study at the Leibniz IFW Dresden of the static and dynamic properties of selected Ir-based materials with multi-frequency high-field ESR spectroscopy will be reviewed. Specifically, evidence for a surprisingly isotropic antiferromagnetic spin dynamics and the inversion of the orbital states in the prototypical spin–orbital Mott insulator $$\text {Sr}_2\text {IrO}_4$$ Sr 2 IrO 4 , observation of the collective resonance modes in the family of double perovskites $$\text {La}_2$$ La 2 B$$\text {IrO}_6$$ IrO 6 (B = Cu, Co) and the origin of the unexpected magnetism in the double perovskite $$\text {Ba}_2\text {YIrO}_6$$ Ba 2 YIrO 6 will be highlighted.


2018 ◽  
Vol 47 (11) ◽  
pp. 3992-4000 ◽  
Author(s):  
L. Androš Dubraja ◽  
M. Jurić ◽  
J. Popović ◽  
D. Pajić ◽  
Y. Krupskaya ◽  
...  

Magneto-structural correlations in 1D oxalate-bridged Sr(ii)Cr(iii) coordination polymers with two crystallographically and magnetically non-equivalent Cr(iii) ions are studied by HF-ESR spectroscopy.


Polyhedron ◽  
2017 ◽  
Vol 126 ◽  
pp. 120-126 ◽  
Author(s):  
D. Žilić ◽  
K. Molčanov ◽  
M. Jurić ◽  
J. Habjanič ◽  
B. Rakvin ◽  
...  

2015 ◽  
Vol 46 (9) ◽  
pp. 1053-1058 ◽  
Author(s):  
Shohei Ikeda ◽  
Shigeo Hara ◽  
Takahiro Sakurai ◽  
Susumu Okubo ◽  
Hitoshi Ohta ◽  
...  
Keyword(s):  

2015 ◽  
Vol 46 (9) ◽  
pp. 1035-1039
Author(s):  
S. Kimura ◽  
K. Watanabe ◽  
T. Kashiwagi ◽  
H. Yamaguchi ◽  
M. Hagiwara ◽  
...  
Keyword(s):  
Spin Gap ◽  

2014 ◽  
Vol 26 (23) ◽  
pp. 236001 ◽  
Author(s):  
M Y Ruan ◽  
Z W Ouyang ◽  
Y M Guo ◽  
J J Cheng ◽  
Y C Sun ◽  
...  
Keyword(s):  

2013 ◽  
Vol 18 (2) ◽  
pp. 168-172 ◽  
Author(s):  
T. Sakurai ◽  
K. Fujimoto ◽  
S. Okubo ◽  
H. Ohta ◽  
Y. Uwatoko

2013 ◽  
Vol 44 (8) ◽  
pp. 893-898 ◽  
Author(s):  
Kohdai Fujimoto ◽  
Takahiro Sakurai ◽  
Susumu Okubo ◽  
Hitoshi Ohta ◽  
Kazuyuki Matsubayashi ◽  
...  

2012 ◽  
Vol 400 (3) ◽  
pp. 032119 ◽  
Author(s):  
Tatsuya Yamasaki ◽  
Susumu Okubo ◽  
Hitoshi Ohta ◽  
Takahiro Sakurai ◽  
Shinichi Ikeda ◽  
...  

2012 ◽  
Vol 170 (5-6) ◽  
pp. 383-388 ◽  
Author(s):  
S. Yoshii ◽  
H. Nojiri ◽  
O. Sato

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