Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8161279 | Physica B: Condensed Matter | 2018 | 12 Pages |
Abstract
We report magnetic studies on the charge and spin ordering in La2â xSrxCoO4 for x=1/3, 0.60, and 0.75. The magnetic susceptibility displays a clear cusp which we attribute to a spin glass freezing transition in all three compositions stduied. The behaviors of the evaluated effective magnetic moment and Curie-Weiss temperature indicate that the antiferromagnetic (AFM) interaction among Co2+ ions surrounded by the non-magnetic Co3+ weakens with increasing the doping concentration x. In addition, we have found that the incommensurate AFM short range order is frozen at Tg which is further below the onset temperature TIC of the neutron intensity of the incommensurate AFM correlation.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Masahiro Yoshida, Daichi Ueta, Yoichi Ikeda, Tetsuya Yokoo, Shinichi Itoh, Hideki Yoshizawa,