Femtosecond insulator-metal transition in VO2 induced by intense multi-THz transients

Femtosecond insulator-metal transition in VO2 induced by intense multi-THz transients
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强烈的多太赫兹瞬态引起的 VO2 飞秒绝缘体-金属转变

DOI:
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发表时间:
2014
期刊:
Conference on Lasers and Electro-Optics
影响因子:
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通讯作者:
Alexej Pashkin
Alexej Pashkin
中科院分区:
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文献类型:
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作者:
A. Grupp;B. Mayer;C. Schmidt;Jannis Oelmann;R. Marvel;Richard F. Haglund;A. Leitenstorfer;Alexej Pashkin

文献摘要

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VO2 中的非热绝缘体-金属转变是由频率约为 25 THz 的非共振激励驱动的。发现开关时间为 80 fs,对应于驱动场的大约两个周期。
A non-thermal insulator-metal transition in VO2 has been driven by a non-resonant excitation at frequencies around 25 THz. A switching time of 80 fs is found, corresponding to approximately two cycles of the driving field.