Toward Versatile Sr2FeMoO6-Based Spintronics by Exploiting Nanoscale Defects

M. Saloaro, M. Hoffmann, W. A. Adeagbo, S. Granroth, H. Deniz, H. Palonen, H. Huhtinen, Sayani Majumdar, P. Laukkanen, W. Hergert, A. Ernst, P. Paturi

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

To actualize the high spintronic application potential of complex magnetic oxides, it is essential to fabricate these materials as thin films with the best possible magnetic and electrical properties. Sr2FeMoO6 is an outstanding candidate for such applications, but presently no thin film synthesis route, which would preserve the magnetic properties of bulk Sr2FeMoO6, is currently known. In order to address this problem, we present a comprehensive experimental and theoretical study where we link the magnetic and half metallic properties of Sr2FeMoO6 thin films to lattice strain, Fe—Mo antisite disorder and oxygen vacancies. We find the intrinsic effect of strain on the magnetic properties to be very small, but also that an increased strain will significantly stabilize the Sr2FeMoO6 lattice against the formation of antisite disorder and oxygen vacancies. These defects, on the other hand, are recognized to drastically influence the magnetism of Sr2FeMoO6 in a nonlinear manner. On the basis of the findings, we propose strain manipulation and reductive annealing as optimization pathways for improving the spintronic functionality of Sr2FeMoO6.
Original languageEnglish
Pages (from-to)20440-20447
JournalACS Applied Materials & Interfaces
Volume8
Issue number31
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

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Magnetoelectronics
Magnetic properties
Oxygen vacancies
Thin films
Defects
Magnetism
Oxides
Electric properties
Annealing

Cite this

Saloaro, M., Hoffmann, M., Adeagbo, W. A., Granroth, S., Deniz, H., Palonen, H., ... Paturi, P. (2016). Toward Versatile Sr2FeMoO6-Based Spintronics by Exploiting Nanoscale Defects. ACS Applied Materials & Interfaces, 8(31), 20440-20447. https://doi.org/10.1021/acsami.6b04132
Saloaro, M. ; Hoffmann, M. ; Adeagbo, W. A. ; Granroth, S. ; Deniz, H. ; Palonen, H. ; Huhtinen, H. ; Majumdar, Sayani ; Laukkanen, P. ; Hergert, W. ; Ernst, A. ; Paturi, P. / Toward Versatile Sr2FeMoO6-Based Spintronics by Exploiting Nanoscale Defects. In: ACS Applied Materials & Interfaces. 2016 ; Vol. 8, No. 31. pp. 20440-20447.
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abstract = "To actualize the high spintronic application potential of complex magnetic oxides, it is essential to fabricate these materials as thin films with the best possible magnetic and electrical properties. Sr2FeMoO6 is an outstanding candidate for such applications, but presently no thin film synthesis route, which would preserve the magnetic properties of bulk Sr2FeMoO6, is currently known. In order to address this problem, we present a comprehensive experimental and theoretical study where we link the magnetic and half metallic properties of Sr2FeMoO6 thin films to lattice strain, Fe—Mo antisite disorder and oxygen vacancies. We find the intrinsic effect of strain on the magnetic properties to be very small, but also that an increased strain will significantly stabilize the Sr2FeMoO6 lattice against the formation of antisite disorder and oxygen vacancies. These defects, on the other hand, are recognized to drastically influence the magnetism of Sr2FeMoO6 in a nonlinear manner. On the basis of the findings, we propose strain manipulation and reductive annealing as optimization pathways for improving the spintronic functionality of Sr2FeMoO6.",
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Saloaro, M, Hoffmann, M, Adeagbo, WA, Granroth, S, Deniz, H, Palonen, H, Huhtinen, H, Majumdar, S, Laukkanen, P, Hergert, W, Ernst, A & Paturi, P 2016, 'Toward Versatile Sr2FeMoO6-Based Spintronics by Exploiting Nanoscale Defects', ACS Applied Materials & Interfaces, vol. 8, no. 31, pp. 20440-20447. https://doi.org/10.1021/acsami.6b04132

Toward Versatile Sr2FeMoO6-Based Spintronics by Exploiting Nanoscale Defects. / Saloaro, M.; Hoffmann, M.; Adeagbo, W. A.; Granroth, S.; Deniz, H.; Palonen, H.; Huhtinen, H.; Majumdar, Sayani; Laukkanen, P.; Hergert, W.; Ernst, A.; Paturi, P.

In: ACS Applied Materials & Interfaces, Vol. 8, No. 31, 2016, p. 20440-20447.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Toward Versatile Sr2FeMoO6-Based Spintronics by Exploiting Nanoscale Defects

AU - Saloaro, M.

AU - Hoffmann, M.

AU - Adeagbo, W. A.

AU - Granroth, S.

AU - Deniz, H.

AU - Palonen, H.

AU - Huhtinen, H.

AU - Majumdar, Sayani

AU - Laukkanen, P.

AU - Hergert, W.

AU - Ernst, A.

AU - Paturi, P.

PY - 2016

Y1 - 2016

N2 - To actualize the high spintronic application potential of complex magnetic oxides, it is essential to fabricate these materials as thin films with the best possible magnetic and electrical properties. Sr2FeMoO6 is an outstanding candidate for such applications, but presently no thin film synthesis route, which would preserve the magnetic properties of bulk Sr2FeMoO6, is currently known. In order to address this problem, we present a comprehensive experimental and theoretical study where we link the magnetic and half metallic properties of Sr2FeMoO6 thin films to lattice strain, Fe—Mo antisite disorder and oxygen vacancies. We find the intrinsic effect of strain on the magnetic properties to be very small, but also that an increased strain will significantly stabilize the Sr2FeMoO6 lattice against the formation of antisite disorder and oxygen vacancies. These defects, on the other hand, are recognized to drastically influence the magnetism of Sr2FeMoO6 in a nonlinear manner. On the basis of the findings, we propose strain manipulation and reductive annealing as optimization pathways for improving the spintronic functionality of Sr2FeMoO6.

AB - To actualize the high spintronic application potential of complex magnetic oxides, it is essential to fabricate these materials as thin films with the best possible magnetic and electrical properties. Sr2FeMoO6 is an outstanding candidate for such applications, but presently no thin film synthesis route, which would preserve the magnetic properties of bulk Sr2FeMoO6, is currently known. In order to address this problem, we present a comprehensive experimental and theoretical study where we link the magnetic and half metallic properties of Sr2FeMoO6 thin films to lattice strain, Fe—Mo antisite disorder and oxygen vacancies. We find the intrinsic effect of strain on the magnetic properties to be very small, but also that an increased strain will significantly stabilize the Sr2FeMoO6 lattice against the formation of antisite disorder and oxygen vacancies. These defects, on the other hand, are recognized to drastically influence the magnetism of Sr2FeMoO6 in a nonlinear manner. On the basis of the findings, we propose strain manipulation and reductive annealing as optimization pathways for improving the spintronic functionality of Sr2FeMoO6.

U2 - 10.1021/acsami.6b04132

DO - 10.1021/acsami.6b04132

M3 - Article

VL - 8

SP - 20440

EP - 20447

JO - ACS Applied Materials & Interfaces

JF - ACS Applied Materials & Interfaces

SN - 1944-8244

IS - 31

ER -

Saloaro M, Hoffmann M, Adeagbo WA, Granroth S, Deniz H, Palonen H et al. Toward Versatile Sr2FeMoO6-Based Spintronics by Exploiting Nanoscale Defects. ACS Applied Materials & Interfaces. 2016;8(31):20440-20447. https://doi.org/10.1021/acsami.6b04132