Scanning Probe Manipulation of Magnetism at the LaAlO3/SrTiO3 Heterointerface

Beena Kalisky; Julie A. Bert; Christopher Bell; Yanwu Xie; Hiroki K. Sato; Masayuki Hosoda; Yasuyuki Hikita; Harold Y. Hwang; Kathryn A. Moler; Chris Bell

doi:10.1021/nl301451e

Scanning Probe Manipulation of Magnetism at the LaAlO3/SrTiO3 Heterointerface

Beena Kalisky^*, Julie A. Bert, Christopher Bell, Yanwu Xie, Hiroki K. Sato, Masayuki Hosoda, Yasuyuki Hikita, Harold Y. Hwang, Kathryn A. Moler, Chris Bell

^*Corresponding author for this work

School of Physics

Research output: Contribution to journal › Article (Academic Journal) › peer-review

42 Citations (Scopus)

Abstract

Manipulation of magnetism is a longstanding goal of research in exotic materials. In this work, we demonstrate that the small ferromagnetic patches in LaAlO3/SrTiO3 heterostructures can be dramatically changed by in situ contact of a scanning probe. Our results provide a platform for manipulation of small magnets through either a strong magneto-elastic coupling or sensitivity to surface modification. The ability to locally control magnetism is particularly interesting due to the presence of superconductivity with strong spin orbit coupling in LaAlO3/SrTiO3.

Original language	English
Pages (from-to)	4055-4059
Number of pages	5
Journal	Nano Letters
Volume	12
Issue number	8
DOIs	https://doi.org/10.1021/nl301451e
Publication status	Published - Aug 2012

Keywords

Heterointerfaces
complex oxides
magnetism
scanning SQUID microscopy
ELECTRON-GAS
OXIDE HETEROINTERFACE
INTERFACE
SUPERCONDUCTIVITY
HETEROSTRUCTURES
FERROMAGNETISM
COEXISTENCE

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@article{d18396dc7b744dea960797a817736eb6,

title = "Scanning Probe Manipulation of Magnetism at the LaAlO3/SrTiO3 Heterointerface",

abstract = "Manipulation of magnetism is a longstanding goal of research in exotic materials. In this work, we demonstrate that the small ferromagnetic patches in LaAlO3/SrTiO3 heterostructures can be dramatically changed by in situ contact of a scanning probe. Our results provide a platform for manipulation of small magnets through either a strong magneto-elastic coupling or sensitivity to surface modification. The ability to locally control magnetism is particularly interesting due to the presence of superconductivity with strong spin orbit coupling in LaAlO3/SrTiO3.",

keywords = "Heterointerfaces, complex oxides, magnetism, scanning SQUID microscopy, ELECTRON-GAS, OXIDE HETEROINTERFACE, INTERFACE, SUPERCONDUCTIVITY, HETEROSTRUCTURES, FERROMAGNETISM, COEXISTENCE",

author = "Beena Kalisky and Bert, {Julie A.} and Christopher Bell and Yanwu Xie and Sato, {Hiroki K.} and Masayuki Hosoda and Yasuyuki Hikita and Hwang, {Harold Y.} and Moler, {Kathryn A.} and Chris Bell",

year = "2012",

month = aug,

doi = "10.1021/nl301451e",

language = "English",

volume = "12",

pages = "4055--4059",

journal = "Nano Letters",

issn = "1530-6984",

publisher = "American Chemical Society",

number = "8",

}

TY - JOUR

T1 - Scanning Probe Manipulation of Magnetism at the LaAlO3/SrTiO3 Heterointerface

AU - Kalisky, Beena

AU - Bert, Julie A.

AU - Bell, Christopher

AU - Xie, Yanwu

AU - Sato, Hiroki K.

AU - Hosoda, Masayuki

AU - Hikita, Yasuyuki

AU - Hwang, Harold Y.

AU - Moler, Kathryn A.

AU - Bell, Chris

PY - 2012/8

Y1 - 2012/8

N2 - Manipulation of magnetism is a longstanding goal of research in exotic materials. In this work, we demonstrate that the small ferromagnetic patches in LaAlO3/SrTiO3 heterostructures can be dramatically changed by in situ contact of a scanning probe. Our results provide a platform for manipulation of small magnets through either a strong magneto-elastic coupling or sensitivity to surface modification. The ability to locally control magnetism is particularly interesting due to the presence of superconductivity with strong spin orbit coupling in LaAlO3/SrTiO3.

AB - Manipulation of magnetism is a longstanding goal of research in exotic materials. In this work, we demonstrate that the small ferromagnetic patches in LaAlO3/SrTiO3 heterostructures can be dramatically changed by in situ contact of a scanning probe. Our results provide a platform for manipulation of small magnets through either a strong magneto-elastic coupling or sensitivity to surface modification. The ability to locally control magnetism is particularly interesting due to the presence of superconductivity with strong spin orbit coupling in LaAlO3/SrTiO3.

KW - Heterointerfaces

KW - complex oxides

KW - magnetism

KW - scanning SQUID microscopy

KW - ELECTRON-GAS

KW - OXIDE HETEROINTERFACE

KW - INTERFACE

KW - SUPERCONDUCTIVITY

KW - HETEROSTRUCTURES

KW - FERROMAGNETISM

KW - COEXISTENCE

U2 - 10.1021/nl301451e

DO - 10.1021/nl301451e

M3 - Article (Academic Journal)

C2 - 22769056

SN - 1530-6984

VL - 12

SP - 4055

EP - 4059

JO - Nano Letters

JF - Nano Letters

IS - 8

ER -

Scanning Probe Manipulation of Magnetism at the LaAlO3/SrTiO3 Heterointerface

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