Single Crystal Functional Oxides on Silicon

Single crystalline thin films of complex oxides show a rich variety of functional properties such as ferroelectricity, piezoelectricity, ferro and antiferromagnetism etc. that have the potential for completely new electronic applications (1-2). Direct synthesis of such oxides on Si remains challengi...

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Published inarXiv.org
Main Authors Saidur Rahman Bakaul, Claudy Rayan Serrao, Lee, Michelle, Yeung, Chun Wing, Sarker, Asis, Shang-Lin, Hsu, Yadav, Ajay, Dedon, Liv, Long, You, Asif Islam Khan, Clarkson, James David, Hu, Chenming, Ramamoorthy Ramesh, Salahuddin, Sayeef
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 21.11.2015
Subjects
Antiferromagnetism
Crystal structure
Crystallinity
Ferroelectricity
Field effect transistors
Incompatibility
Organic chemistry
Oxide coatings
Oxides
Piezoelectricity
Semiconductor devices
Silicon substrates
Single crystals
Thin films
Unit cell
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Summary:Single crystalline thin films of complex oxides show a rich variety of functional properties such as ferroelectricity, piezoelectricity, ferro and antiferromagnetism etc. that have the potential for completely new electronic applications (1-2). Direct synthesis of such oxides on Si remains challenging due to the fundamental crystal chemistry and mechanical incompatibility of dissimilar interfaces (3-16). Here we report integration of thin (down to 1 unit cell) single crystalline, complex oxide films onto Si substrates, by epitaxial transfer at room temperature. In a field effect transistor using a transferred Pb0.2Zr0.8TiO3 (PZT) layer as the gate insulator, we demonstrate direct reversible control of the semiconductor channel charge with polarization state. These results represent the realization of long pursued but yet to be demonstrated single crystal functional oxides on-demand on silicon.
ISSN:2331-8422