High curie temperature Bi1.85Mn0.15Te3 nanoplates

Lina Cheng, Zhi Gang Chen*, Song Ma, Zhi Dong Zhang, Yong Wang, Hong Yi Xu, Lei Yang, Guang Han, Kevin Jack, Gaoqing Lu, Jin Zou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

Bi1.85Mn0.15Te3 hexagonal nanoplates with a width of ∼200 nm and a thickness of ∼20 nm were synthesized using a solvothermal method. According to the structural characterization and compositional analysis, the Mn2+ and Mn3+ ions were found to substitute Bi3+ ions in the lattice. High-level Mn doping induces significant lattice distortion and decreases the crystal lattice by 1.07% in the a axis and 3.18% in the c axis. A high ferromagnetic state with a Curie temperature of ∼45 K is observed in these nanoplates due to Mn2+ and Mn3+ ion doping, which is a significant progress in the field of electronics and spintronics.

Original languageEnglish
Pages (from-to)18920-18923
Number of pages4
JournalJournal of the American Chemical Society
Volume134
Issue number46
DOIs
Publication statusPublished - 21 Nov 2012

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