Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions

Rohit Soni, Adrian Petraru, Harikrishnan S. Nair, Ondrej Vavra, Martin Ziegler, Seong Keun Kim, Doo Seok Jeong, Hermann Kohlstedt

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A multiferroic tunnel junction (MFTJ) promisingly offers multinary memory states in response to electric- and magnetic-fields, referring to tunneling electroresistance (TER) and tunneling magnetoresistance (TMR), respectively. In spite of recent progress, a substantial number of questions concerning the understanding of these two intertwined phenomena still remain open, e.g. the role of microstructural/chemical asymmetry at the interfaces of the junction and the effect of an electrode material on the MFTJ properties. In this regard, we look into the multiferroic effect of all-complex-oxide MFTJ (La0.7Sr0.3MnO3/Pb(Zr0.3Ti0.7)O3/La0.7Sr0.3MnO3). The results reveal apparent TER-TMR interplay - captured by the reversible electric-field control of the TMR effect. Finally, microscopy analysis on the MFTJ revealed that the observed TER-TMR interplay is perhaps mediated by microstructural and chemical asymmetry in our nominally symmetric MFTJ.

Original languageEnglish
Pages (from-to)10799-10805
Number of pages7
JournalNanoscale
Volume8
Issue number20
DOIs
StatePublished - 2016 May 28

Fingerprint

Tunnelling magnetoresistance
Tunnel junctions
Oxides
Electric fields
Microscopic examination
Magnetic fields
Data storage equipment
Electrodes

Cite this

Soni, R., Petraru, A., Nair, H. S., Vavra, O., Ziegler, M., Kim, S. K., ... Kohlstedt, H. (2016). Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions. Nanoscale, 8(20), 10799-10805. https://doi.org/10.1039/c6nr01277a
Soni, Rohit ; Petraru, Adrian ; Nair, Harikrishnan S. ; Vavra, Ondrej ; Ziegler, Martin ; Kim, Seong Keun ; Jeong, Doo Seok ; Kohlstedt, Hermann. / Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions. In: Nanoscale. 2016 ; Vol. 8, No. 20. pp. 10799-10805.
@article{c921f72262304d9c999dcaedf2b6872f,
title = "Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions",
abstract = "A multiferroic tunnel junction (MFTJ) promisingly offers multinary memory states in response to electric- and magnetic-fields, referring to tunneling electroresistance (TER) and tunneling magnetoresistance (TMR), respectively. In spite of recent progress, a substantial number of questions concerning the understanding of these two intertwined phenomena still remain open, e.g. the role of microstructural/chemical asymmetry at the interfaces of the junction and the effect of an electrode material on the MFTJ properties. In this regard, we look into the multiferroic effect of all-complex-oxide MFTJ (La0.7Sr0.3MnO3/Pb(Zr0.3Ti0.7)O3/La0.7Sr0.3MnO3). The results reveal apparent TER-TMR interplay - captured by the reversible electric-field control of the TMR effect. Finally, microscopy analysis on the MFTJ revealed that the observed TER-TMR interplay is perhaps mediated by microstructural and chemical asymmetry in our nominally symmetric MFTJ.",
author = "Rohit Soni and Adrian Petraru and Nair, {Harikrishnan S.} and Ondrej Vavra and Martin Ziegler and Kim, {Seong Keun} and Jeong, {Doo Seok} and Hermann Kohlstedt",
year = "2016",
month = "5",
day = "28",
doi = "10.1039/c6nr01277a",
language = "English",
volume = "8",
pages = "10799--10805",
journal = "Nanoscale",
issn = "2040-3364",
number = "20",

}

Soni, R, Petraru, A, Nair, HS, Vavra, O, Ziegler, M, Kim, SK, Jeong, DS & Kohlstedt, H 2016, 'Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions', Nanoscale, vol. 8, no. 20, pp. 10799-10805. https://doi.org/10.1039/c6nr01277a

Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions. / Soni, Rohit; Petraru, Adrian; Nair, Harikrishnan S.; Vavra, Ondrej; Ziegler, Martin; Kim, Seong Keun; Jeong, Doo Seok; Kohlstedt, Hermann.

In: Nanoscale, Vol. 8, No. 20, 28.05.2016, p. 10799-10805.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions

AU - Soni, Rohit

AU - Petraru, Adrian

AU - Nair, Harikrishnan S.

AU - Vavra, Ondrej

AU - Ziegler, Martin

AU - Kim, Seong Keun

AU - Jeong, Doo Seok

AU - Kohlstedt, Hermann

PY - 2016/5/28

Y1 - 2016/5/28

N2 - A multiferroic tunnel junction (MFTJ) promisingly offers multinary memory states in response to electric- and magnetic-fields, referring to tunneling electroresistance (TER) and tunneling magnetoresistance (TMR), respectively. In spite of recent progress, a substantial number of questions concerning the understanding of these two intertwined phenomena still remain open, e.g. the role of microstructural/chemical asymmetry at the interfaces of the junction and the effect of an electrode material on the MFTJ properties. In this regard, we look into the multiferroic effect of all-complex-oxide MFTJ (La0.7Sr0.3MnO3/Pb(Zr0.3Ti0.7)O3/La0.7Sr0.3MnO3). The results reveal apparent TER-TMR interplay - captured by the reversible electric-field control of the TMR effect. Finally, microscopy analysis on the MFTJ revealed that the observed TER-TMR interplay is perhaps mediated by microstructural and chemical asymmetry in our nominally symmetric MFTJ.

AB - A multiferroic tunnel junction (MFTJ) promisingly offers multinary memory states in response to electric- and magnetic-fields, referring to tunneling electroresistance (TER) and tunneling magnetoresistance (TMR), respectively. In spite of recent progress, a substantial number of questions concerning the understanding of these two intertwined phenomena still remain open, e.g. the role of microstructural/chemical asymmetry at the interfaces of the junction and the effect of an electrode material on the MFTJ properties. In this regard, we look into the multiferroic effect of all-complex-oxide MFTJ (La0.7Sr0.3MnO3/Pb(Zr0.3Ti0.7)O3/La0.7Sr0.3MnO3). The results reveal apparent TER-TMR interplay - captured by the reversible electric-field control of the TMR effect. Finally, microscopy analysis on the MFTJ revealed that the observed TER-TMR interplay is perhaps mediated by microstructural and chemical asymmetry in our nominally symmetric MFTJ.

UR - http://www.scopus.com/inward/record.url?scp=84971299632&partnerID=8YFLogxK

U2 - 10.1039/c6nr01277a

DO - 10.1039/c6nr01277a

M3 - Article

AN - SCOPUS:84971299632

VL - 8

SP - 10799

EP - 10805

JO - Nanoscale

JF - Nanoscale

SN - 2040-3364

IS - 20

ER -

Soni R, Petraru A, Nair HS, Vavra O, Ziegler M, Kim SK et al. Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions. Nanoscale. 2016 May 28;8(20):10799-10805. https://doi.org/10.1039/c6nr01277a