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In Situ Control of Separate Electronic Phases on SrTiO 3 Surfaces by Oxygen Dosing
Author(s) -
Dudy Lenart,
Sing Michael,
Scheiderer Philipp,
Denlinger Jonathan D.,
Schütz Philipp,
Gabel Judith,
Buchwald Mathias,
Schlueter Christoph,
Lee TienLin,
Claessen Ralph
Publication year - 2016
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.201600046
Subject(s) - materials science , exploit , oxygen , service (business) , order (exchange) , nanotechnology , computer science , chemistry , business , organic chemistry , computer security , finance , marketing
Insulating SrTiO 3 (STO) can host 2D electron systems (2DESs) on its surfaces, caused by oxygen defects. This study shows that the STO surface exhibits phase separation once the 2DES is formed and relates this inhomogeneity to recently reported magnetic order at STO surfaces and interfaces. The results open pathways to exploit oxygen defects for engineering the electronic and magnetic properties of oxides.