High-Field ESR Measurements of the Spin-Gap System in Polarized Microwaves

Verfasser / Beitragende:
[S. Kimura, K. Watanabe, T. Kashiwagi, H. Yamaguchi, M. Hagiwara, Z. Honda]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Magnetic Resonance, 46/9(2015-09-01), 1035-1039
Format:
Artikel (online)
ID: 605545367
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024 7 0 |a 10.1007/s00723-015-0661-8  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00723-015-0661-8 
245 0 0 |a High-Field ESR Measurements of the Spin-Gap System in Polarized Microwaves  |h [Elektronische Daten]  |c [S. Kimura, K. Watanabe, T. Kashiwagi, H. Yamaguchi, M. Hagiwara, Z. Honda] 
520 3 |a We have performed high-field electron spin resonance (ESR) measurements of the isolated antiferromagnetic dimer system Na2Co2(C2O4)3(H2O)2 by illuminating circularly polarized microwaves at 162GHz. Different from a usual ESR signal by the magnetic dipole transition, the resonance signal, coming from the direct transition between the singlet and triplet states in this compound, is suggested to show absence of circular dichroism. From this curious behavior, we consider that the direct transition in Na2Co2(C2O4)3(H2O)2 is driven by oscillating electric fields of microwaves. We propose that the spin current mechanism is responsible to induce a finite probability for the electric-dipole-active transition between the singlet and the triplet states in Na2Co2(C2O4)3(H2O)2. 
540 |a Springer-Verlag Wien, 2015 
700 1 |a Kimura  |D S.  |u Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan  |4 aut 
700 1 |a Watanabe  |D K.  |u Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan  |4 aut 
700 1 |a Kashiwagi  |D T.  |u Graduate School of Pure and Applied Sciences, University of Tsukuba, 305-8573, Tsukuba, Japan  |4 aut 
700 1 |a Yamaguchi  |D H.  |u College of Integrated Arts and Science, Osaka Prefecture University, 588-8531, Sakai, Japan  |4 aut 
700 1 |a Hagiwara  |D M.  |u Center for Advanced High Magnetic Field Science, Graduate School of Science, Osaka University, 560-0043, Osaka, Japan  |4 aut 
700 1 |a Honda  |D Z.  |u Graduate School of Science and Engineering, Saitama University, 338-8570, Saitama, Japan  |4 aut 
773 0 |t Applied Magnetic Resonance  |d Springer Vienna  |g 46/9(2015-09-01), 1035-1039  |x 0937-9347  |q 46:9<1035  |1 2015  |2 46  |o 723 
856 4 0 |u https://doi.org/10.1007/s00723-015-0661-8  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00723-015-0661-8  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kimura  |D S.  |u Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Watanabe  |D K.  |u Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kashiwagi  |D T.  |u Graduate School of Pure and Applied Sciences, University of Tsukuba, 305-8573, Tsukuba, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yamaguchi  |D H.  |u College of Integrated Arts and Science, Osaka Prefecture University, 588-8531, Sakai, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hagiwara  |D M.  |u Center for Advanced High Magnetic Field Science, Graduate School of Science, Osaka University, 560-0043, Osaka, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Honda  |D Z.  |u Graduate School of Science and Engineering, Saitama University, 338-8570, Saitama, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Magnetic Resonance  |d Springer Vienna  |g 46/9(2015-09-01), 1035-1039  |x 0937-9347  |q 46:9<1035  |1 2015  |2 46  |o 723