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A metal–insulator transition of the buried MnO2 monolayer in complex oxide heterostructure

DOI: 10.1002/adma.201602281 DOI Help

Authors: Heng-Jui Liu (National Chiao Tung University) , Jheng-Cyuan Lin (Institute of Physics, Academia Sinica) , Yue-Wen Fang (East China Normal University) , Jing-Ching Wang (National Sun Yat-sen University) , Bo-Chao Huang (Institute of Physics, Academia Sinica) , Xiang Gao (Japan Fine Ceramics Center) , Rong Huang (East China Normal University; Japan Fine Ceramics Center) , Philip R. Dean (Durham University) , Peter Hatton (Durham University) , Yi-Ying Chin (National Synchrotron Radiation Research Center) , Hong-Ji Lin (National Synchrotron Radiation Research Center) , Chien-Te Chen (National Synchrotron Radiation Research Center) , Yuichi Ikuhara (The University of Tokyo; Japan Fine Ceramics Center) , Ya-Ping Chiu (National Taiwan Normal University; National Sun Yat-sen University) , Chia-Seng Chang (Institute of Physics, Academia Sinica) , Chun-Gang Duan (East China Normal University) , Qing He (Durham University) , Ying-Hao Chu (National Chiao Tung University; Institute of Physics, Academia Sinica)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Advanced Materials , VOL 28 , PAGES 9142 - 9151

State: Published (Approved)
Published: November 2016

Abstract: A novel artificially created MnO2 monolayer system is demonstrated in atomically controlled epitaxial perovskite heterostructures. With careful design of different electrostatic boundary conditions, a magnetic transition as well as a metal–insulator transition of the MnO2 monolayer is unveiled, providing a fundamental understanding of dimensionality-confined strongly correlated electron systems and a direction to design new electronic devices.

Journal Keywords: 2D materials; complex oxide heterostructures; manganites; MnO2 monolayer

Diamond Keywords: Ferromagnetism; Antiferromagnetism

Subject Areas: Materials, Physics

Instruments: I06-Nanoscience (XPEEM)

Added On: 05/05/2017 09:05

Discipline Tags:

Quantum Materials Physics Hard condensed matter - structures Magnetism Materials Science

Technical Tags:

Spectroscopy Circular Dichroism (CD) X-ray Absorption Spectroscopy (XAS) X-ray Magnetic Circular Dichroism (XMCD)