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Electric field driven phase transition and possible twining quasi-tetragonal phase in compressively strained BiFeO3 thin films

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Electric field driven phase transition and possible twining quasi-tetragonal phase in compressively strained BiFeO3 thin films
นักวิจัย : Lu, Cheng-Liang , Liu, Jun-Ming , Wu, Tao
คำค้น : DRNTU::Science::Physics.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Lu, C. L., Liu, J. M., & Wu, T. (2012). Electric field driven phase transition and possible twining quasi-tetragonal phase in compressively strained BiFeO3 thin films. Frontiers of physics, 7(4), 424-428. , http://hdl.handle.net/10220/16262 , http://dx.doi.org/10.1007/s11467-011-0241-9
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Frontiers of physics
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Highly compressively strained BiFeO3 thin films with different thickness are epitaxially grown on (001) LaAlO3 substrates and characterized using various techniques. The quasi-tetragonal phase with a giant axial ratio of ∼ 1.25 and its thickness-dependent evolution are investigated. An interesting twining structure of the quasi-tetragonal phase is evidenced in thicker films through detailed reciprocal space mapping, which becomes more pronounced with increasing film thickness. Moreover, an interesting electric-field driven phase transition was evidenced in the film with a thickness of 38 nm, in which the quasi-tetragonal and rhombohedral phases are close to each other in energy landscape.

บรรณานุกรม :
Lu, Cheng-Liang , Liu, Jun-Ming , Wu, Tao . (2555). Electric field driven phase transition and possible twining quasi-tetragonal phase in compressively strained BiFeO3 thin films.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Lu, Cheng-Liang , Liu, Jun-Ming , Wu, Tao . 2555. "Electric field driven phase transition and possible twining quasi-tetragonal phase in compressively strained BiFeO3 thin films".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Lu, Cheng-Liang , Liu, Jun-Ming , Wu, Tao . "Electric field driven phase transition and possible twining quasi-tetragonal phase in compressively strained BiFeO3 thin films."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Lu, Cheng-Liang , Liu, Jun-Ming , Wu, Tao . Electric field driven phase transition and possible twining quasi-tetragonal phase in compressively strained BiFeO3 thin films. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.