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Piezo‐Phototronic Effect‐Induced Dual‐Mode Light and Ultrasound Emissions from ZnS:Mn/PMN–PT Thin‐Film Structures
Author(s) -
Zhang Yang,
Gao Guanyin,
Chan Helen L.W.,
Dai Jiyan,
Wang Yu,
Hao Jianhua
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201104584
Subject(s) - materials science , piezoelectricity , luminescence , optoelectronics , substrate (aquarium) , dual mode , electric field , light emission , thin film , ultrasonic sensor , converse , nanotechnology , composite material , acoustics , electronic engineering , oceanography , physics , quantum mechanics , engineering , geology , geometry , mathematics
Electric‐field‐controllable luminescence of a ZnS:Mn/PMN–PT system is demonstrated. The light‐emission of ZnS:Mn is caused by the piezoelectric potential, resulting from the converse piezoelectric effect of the PMN–PT substrate. Simultaneous generation of light and ultrasound waves is observed in this single system, which offers great potential to develop a dual‐modal source combing light and ultrasonic waves for various applications.