Study on optical, dielectric, and magnetic properties of Ba2MnGe2O7 ceramics

被引：0
|
作者：
Su, Jie [1 ,2 ]
Guo, Yunfeng [1 ,2 ]
Zhang, Junting [1 ]
Sun, Hui [1 ]
He, Ju [1 ]
Lu, Xiaomei [1 ]
Lu, Chaojing [2 ]
Zhu, Jinsong [1 ]
机构：
[1] Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Qingdao Univ, Coll Phys Sci, Qingdao 266071, Peoples R China
来源：
2012 INTERNATIONAL SYMPOSIUM ON APPLICATIONS OF FERROELECTRICS HELD JOINTLY WITH 11TH IEEE ECAPD AND IEEE PFM (ISAF/ECAPD/PFM) | 2012年
基金：
美国国家科学基金会;
关键词：
component; Ba2MnGe2O7; ceramics; UV-Vis absorption; dielectric relaxation; antiferromagnetic order;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Ba2MnGe2O7 ceramics were prepared by the solid-state reaction method. The prepared powders had a good photon absorption performance in the range of 300800 nm with the direct band gap energy of 3.1 eV. A dielectric relaxation behavior at low temperature is observed which may come from the dipolar effects associated with the changeable valence of transition metal ions. In addition, antiferromagnetic order was also observed bellow 5.1 K.
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页数：3
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