Spin transfer nano-oscillators

被引:178
作者
Zeng, Zhongming [1 ]
Finocchio, Giovanni [2 ]
Jiang, Hongwen [3 ]
机构
[1] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China
[2] Univ Messina, Dept Elect Engn Ind Chem & Engn, I-98166 Messina, Italy
[3] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
基金
美国国家科学基金会;
关键词
TRANSFER-TORQUE; MICROWAVE GENERATION; MAGNETIC MULTILAYER; PHASE-LOCKING; VOLTAGE-DEPENDENCE; ROOM-TEMPERATURE; DRIVEN; MAGNETORESISTANCE; EMISSION; EXCITATION;
D O I
10.1039/c2nr33407k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The use of spin transfer nano-oscillators (STNOs) to generate microwave signals in nanoscale devices has aroused tremendous and continuous research interest in recent years. Their key features are frequency tunability, nanoscale size, broad working temperature, and easy integration with standard silicon technology. In this feature article, we give an overview of recent developments and breakthroughs in the materials, geometry design and properties of STNOs. We focus in more depth on our latest advances in STNOs with perpendicular anisotropy, showing a way to improve the output power of STNO towards the mu W range. Challenges and perspectives of the STNOs that might be productive topics for future research are also briefly discussed.
引用
收藏
页码:2219 / 2231
页数:13
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