Zirconium Aided Epitaxial Growth of InxSey on InP(111) Substrates
- 1 July 2020
- journal article
- research article
- Published by IOP Publishing in Chinese Physics Letters
Abstract
Layered material indium selenide (In x Se y ) is a promising candidate for building next-generation electronic and photonic devices. We report a zirconium aided MBE growth of this van der Waals material. When co-depositing zirconium and selenium onto an indium phosphide substrate with a substrate temperature of 400°C at a constant zirconium flux rate of 0.01 ML/min, the polymorphic In x Se y layer emerges on top of the insulating ZrSe2 layer. Different archetypes, such as InSe, α-In2Se3 and β-In2Se3, are found in the In x Se y layers. A negative magnetoresistance of 40% at 2K under 9T magnetic field is observed. Such an In x Se y /ZrSe2 heterostructure with good lattice-matching may serve as a candidate for device applications.Keywords
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