DOI: 10.1063/1.2969037. Effects of hydrogen anneals on oxygen deficient SrTiO3−x single crystals

Effects of hydrogen anneals on oxygen deficient SrTiO3−x single crystals

10.1063/1.2969037

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

The influence of hydrogen gas anneals on the electrical properties of nominally undoped, oxygen-deficient SrTiO3−x single crystals was investigated. Titanium getter layers and vacuum anneals were used to obtain oxygen-deficient SrTiO3−x with a low electrical resistivity. These crystals showed an optical absorption peak at 2.92 eV and strong midinfrared absorption. Subsequent anneals at 800 °C in forming gas, which contained 10% hydrogen, returned the crystals into the insulating, transparent state. The mechanisms by which hydrogen anneals can compensate for the effects of oxygen vacancies in SrTiO3−x are discussed. The results show that forming gas anneals of stoichiometric SrTiO3 can lead to complex electrical conduction behavior.

Bibliography

Jalan, B., Engel-Herbert, R., Mates, T. E., & Stemmer, S. (2008). Effects of hydrogen anneals on oxygen deficient SrTiO3âx single crystals. Applied Physics Letters, 93(5).

Authors 4

Bharat Jalan (first)
Roman Engel-Herbert (additional)
Thomas E. Mates (additional)
Susanne Stemmer (additional)

References 26 Referenced 45

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{'key': '2023070215532229800_c18', 'first-page': '433', 'volume': '401', 'year': '2007', 'journal-title': 'Physica B (Amsterdam)'} / Physica B (Amsterdam) (2007)
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Dates

Type	When
Created	17 years ago (Aug. 6, 2008, 6:25 p.m.)
Deposited	2 years, 2 months ago (July 2, 2023, 11:53 a.m.)
Indexed	4 weeks, 2 days ago (Aug. 6, 2025, 8:27 a.m.)
Issued	17 years, 1 month ago (Aug. 4, 2008)
Published	17 years, 1 month ago (Aug. 4, 2008)
Published Online	17 years, 1 month ago (Aug. 6, 2008)
Published Print	17 years, 1 month ago (Aug. 4, 2008)

Funders 0

None

BibTeX

@article{Jalan_2008, title={Effects of hydrogen anneals on oxygen deficient SrTiO3−x single crystals}, volume={93}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2969037}, DOI={10.1063/1.2969037}, number={5}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Jalan, Bharat and Engel-Herbert, Roman and Mates, Thomas E. and Stemmer, Susanne}, year={2008}, month=aug }

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