Nanoscale Physics & Devices Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
Nanoscale Physics & Devices Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
Organic Solids Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China;
Nanoscale Physics & Devices Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
Department of Electronics, Peking University, Beijing 100871, China;
Department of Electronics, Peking University, Beijing 100871, China;
Nanoscale Physics & Devices Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
optical recording; thin film; electrical switching;