Aluminium substituted yttrium iron garnet thin films with reduced Curie temperature

Scheffler, Daniel; Steuer, Oliver; Zhou, Shengqiang; Siegl, Luise; Goennenwein, Sebastian T. B.; Lammel, Michaela

Aluminium substituted yttrium iron garnet thin films with reduced Curie temperature

Dateien

Scheffler_2-30443j246ciw5.pdfGröße: 1.15 MBDownloads: 36

Datum

2023

Autor:innen

Scheffler, Daniel

Steuer, Oliver

Zhou, Shengqiang

Siegl, Luise

Goennenwein, Sebastian T. B.

Lammel, Michaela

Angaben zur Forschungsförderung

Deutsche Forschungsgemeinschaft (DFG): 425217212
Deutsche Forschungsgemeinschaft (DFG): SFB 1432
Deutsche Forschungsgemeinschaft (DFG): GO 944/9-1

Open Access-Veröffentlichung

Open Access Hybrid

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Review Materials. American Physical Society (APS). 2023, 7(9), 094405. eISSN 2475-9953. Available under: doi: 10.1103/physrevmaterials.7.094405

Zusammenfassung

Magnetic garnets such as yttrium iron garnet (Y₃Fe₅O₁₂, YIG) are widely used in spintronic and magnonic devices. Their magnetic and magneto-optical properties can be modified over a wide range by tailoring their chemical composition. Here, we report the successful growth of Al-substituted yttrium iron garnet (YAlIG) thin films via radio frequency sputtering in combination with an ex situ annealing step. Upon selecting appropriate process parameters, we obtain highly crystalline YAlIG films with different Al³⁺ substitution levels on both single crystalline Y₃Al₅O₁₂ (YAG) and Gd₃Ga₅O₁₂ (GGG) substrates. With increasing Al³⁺ substitution levels, we observe a reduction of the saturation magnetization as well as a systematic decrease of the magnetic ordering temperature to values well below room temperature. YAlIG thin films thus provide an interesting material platform for spintronic and magnonic experiments in different magnetic phases.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

SCHEFFLER, Daniel, Oliver STEUER, Shengqiang ZHOU, Luise SIEGL, Sebastian T. B. GOENNENWEIN, Michaela LAMMEL, 2023. Aluminium substituted yttrium iron garnet thin films with reduced Curie temperature. In: Physical Review Materials. American Physical Society (APS). 2023, 7(9), 094405. eISSN 2475-9953. Available under: doi: 10.1103/physrevmaterials.7.094405

BibTex

@article{Scheffler2023Alumi-68711,
  year={2023},
  doi={10.1103/physrevmaterials.7.094405},
  title={Aluminium substituted yttrium iron garnet thin films with reduced Curie temperature},
  number={9},
  volume={7},
  journal={Physical Review Materials},
  author={Scheffler, Daniel and Steuer, Oliver and Zhou, Shengqiang and Siegl, Luise and Goennenwein, Sebastian T. B. and Lammel, Michaela},
  note={Article Number: 094405}
}

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    <dcterms:abstract>Magnetic garnets such as yttrium iron garnet (Y&lt;sub&gt;3&lt;/sub&gt;Fe&lt;sub&gt;5&lt;/sub&gt;O&lt;sub&gt;12&lt;/sub&gt;, YIG) are widely used in spintronic and magnonic devices. Their magnetic and magneto-optical properties can be modified over a wide range by tailoring their chemical composition. Here, we report the successful growth of Al-substituted yttrium iron garnet (YAlIG) thin films via radio frequency sputtering in combination with an ex situ annealing step. Upon selecting appropriate process parameters, we obtain highly crystalline YAlIG films with different Al&lt;sup&gt;3+&lt;/sup&gt; substitution levels on both single crystalline Y&lt;sub&gt;3&lt;/sub&gt;Al&lt;sub&gt;5&lt;/sub&gt;O&lt;sub&gt;12&lt;/sub&gt; (YAG) and Gd&lt;sub&gt;3&lt;/sub&gt;Ga&lt;sub&gt;5&lt;/sub&gt;O&lt;sub&gt;12&lt;/sub&gt; (GGG) substrates. With increasing Al&lt;sup&gt;3+&lt;/sup&gt; substitution levels, we observe a reduction of the saturation magnetization as well as a systematic decrease of the magnetic ordering temperature to values well below room temperature. YAlIG thin films thus provide an interesting material platform for spintronic and magnonic experiments in different magnetic phases.</dcterms:abstract>
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Universitätsbibliographie

Ja

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Ja