光子学
纳米技术
数码产品
工程物理
超短脉冲
材料科学
相变
绝缘体(电)
光电子学
物理
电气工程
激光器
工程类
凝聚态物理
光学
作者
Zheng Yang,Changhyun Ko,Shriram Ramanathan
出处
期刊:Annual Review of Materials Research
[Annual Reviews]
日期:2011-08-04
卷期号:41 (1): 337-367
被引量:888
标识
DOI:10.1146/annurev-matsci-062910-100347
摘要
Although phase transitions have long been a centerpiece of condensed matter materials science studies, a number of recent efforts focus on potentially exploiting the resulting functional property changes in novel electronics and photonics as well as understanding emergent phenomena. This is quite timely, given a grand challenge in twenty-first-century physical sciences is related to enabling continued advances in information processing and storage beyond conventional CMOS scaling. In this brief review, we discuss synthesis of strongly correlated oxides, mechanisms of metal-insulator transitions, and exploratory electron devices that are being studied. Particular emphasis is placed on vanadium dioxide, which undergoes a sharp metal-insulator transition near room temperature at ultrafast timescales. The article begins with an introduction to metal-insulator transition in oxides, followed by a brief discussion on the mechanisms leading to the phase transition. The role of materials synthesis in influencing functional properties is discussed briefly. Recent efforts on realizing novel devices such as field effect switches, optical detectors, nonlinear circuit components, and solid-state sensors are reviewed. The article concludes with a brief discussion on future research directions that may be worth consideration.
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