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@INPROCEEDINGS{Bhatnagar:877256,
author = {Bhatnagar, Tanvi},
title = {{V}oltage control of magnetism in {LSMO}/{PMNPT}(001)
heterostructures},
reportid = {FZJ-2020-02082},
year = {2020},
abstract = {The demand for energy-efficient devices for future
technological applications is driving research in the field
of “voltage control of magnetism”. New developments in
oxide heterostructures offer great promise for improvements
in magnetic data storage, spintronics and high frequency
magnetic devices. Most current information storage devices
require high current densities to read or write information
in the form of local variations in magnetization. Since
correlated complex oxides possess strong coupling between
lattice, charge, spin and orbital degrees of freedom, they
offer the prospect of device concepts based on
magnetoelectric (ME) coupling. Here, I will talk about the
growth and characterization of epitaxial multiferroic
ferromagnetic/ (ferroelectric, piezoelectric)
heterostructures of
La0.67Sr0.33MnO3/0.7(Pb(Mg1/3Nb2/3)O3)-0.3(PbTiO3)(001):
LSMO/PMN-PT(001). Magnetic properties of LSMO/PMNPT (001)
heterostructure are studied using SQUID-VSM, which reveals a
clear existence of non-volatile ME coupling due to
asymmetric butterfly loop obtained on voltage application.
LSMO/PMNPT shows varying behavior of magnetoelectric
coupling as function of temperature which is observed
clearly in SQUID measurements. Using polarized neutron
reflectometry (PNR) magnetic depth profiles are probed as a
function of applied voltage. The interfacial morphology of
the heterostructure is characterized using transmission
electron microscopy, which agrees with PNR measurements
confirming the presence of an interlayer.},
month = {Apr},
date = {2020-04-02},
organization = {Institutsseminar des JCNS-2,
Forschungszentrum Jülich (Germany), 2
Apr 2020 - 2 Apr 2020},
subtyp = {Invited},
cin = {JCNS-2 / PGI-4 / JARA-FIT},
cid = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
$I:(DE-82)080009_20140620$},
pnm = {144 - Controlling Collective States (POF3-144) / 524 -
Controlling Collective States (POF3-524) / 6212 - Quantum
Condensed Matter: Magnetism, Superconductivity (POF3-621) /
6213 - Materials and Processes for Energy and Transport
Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
G:(DE-HGF)POF3-6G4},
typ = {PUB:(DE-HGF)31},
url = {https://juser.fz-juelich.de/record/877256},
}