Different crystal chemistries of the117Cd→117 | Zendy

Y. Ohkubo | Zendy; Yukihiro Murakami | Zendy; Tadashi Saito | Zendy; Akihiko Yokoyama | Zendy; S. Uehara | Zendy; Seiichi Shibata | Zendy; Yōichi Kawase | Zendy

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Different crystal chemistries of the117Cd→117

Author(s) -

Y. Ohkubo,

Yukihiro Murakami,

Tadashi Saito,

Akihiko Yokoyama,

S. Uehara,

Seiichi Shibata,

Yōichi Kawase

Publication year - 1999

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.60.11963

Subject(s) - differential (mechanical device) , crystal (programming language) , materials science , molecular physics , atomic physics , physics , thermodynamics , computer science , programming language

The temperature dependences of the nuclear-electric-quadrupole frequency vQ of 117In doped in LiTaO3(TC5938 K) and Li12xInx/3TaO3 with x50.2 (TC5818 K) show that the order-disorder of the Li ions is notthe driving mechanism for the ferroelectric instability in LiNbO3 and LiTaO3 systems, and imply that theoxygen order-disorder is the driving mechanism. The significantly different temperature dependences of vQ of111Cd in these materials compared, to those of 117In, demonstrate that this order-disorder is of dynamiccharacter

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