English
Related papers

Related papers: Persistent Optically Induced Magnetism in Oxygen-D…

200 papers

In this work, we study the time- and temperature-dependence of optically induced magnetization in bulk crystals of slightly oxygen-deficient SrTiO$_{3-\delta}$ using an optically coupled SQUID magnetometer. We find that a weak…

Materials Science · Physics 2014-07-17 W. D. Rice , P. Ambwani , J. D. Thompson , C. Leighton , S. A. Crooker

First-principles calculations to study the electronic and magnetic properties of bulk, oxygen-deficient SrTiO$_3$ (STO) under different doping conditions and densities have been conducted. The appearance of magnetism in oxygen-deficient STO…

Materials Science · Physics 2016-03-30 Alejandro Lopez-Bezanilla , P. Ganesh , Peter B. Littlewood

It has been recently revealed that strontium titanate (SrTiO$_3$) displays persistent photoconductivity with unique characteristics: it occurs at room temperature and lasts over a very long period of time. Illumination of SrTiO$_3$ crystals…

Materials Science · Physics 2020-09-23 Zhiqiang Zhang , Anderson Janotti

SrTiO3 plays a central role in oxide electronics. It is the substrate of choice for functional oxide heterostructures based on perovskite-structure thin-film stacks, and its surface or interface with a polar oxide such as LaAlO3 can become…

Materials Science · Physics 2016-10-12 J. M. D. Coey , M Venkatesan , P Stamenov

Strontium titanate, SrTiO3, a widely used substrate material for electronic oxide thin film devices, has provided many interesting features. In a combination with a similar oxide material, LaAlO3, it has recently received great interest. It…

Materials Science · Physics 2013-05-29 Alexey S. Kalabukhov , Robert Gunnarsson , Johan Borjesson , Eva Olsson , Tord Claeson , Dag Winkler

We discuss, based on first principles calculations, the possibility to tune the magnetism of oxygen vacancies at the (001) surface of strontium titanate $(\mathrm{SrTiO_3}\!)$. The magnetic moment of single and clustered vacancies stemming…

Mesoscale and Nanoscale Physics · Physics 2017-09-29 Oleg O. Brovko , Erio Tosatti

Correlated band theory is employed to investigate the magnetic and electronic properties of different arrangements of oxygen di- and tri-vacancy clusters in SrTiO$_3$. Hole and electron doping of oxygen deficient SrTiO$_3$ yields various…

Materials Science · Physics 2016-03-30 Alejandro Lopez-Bezanilla , P. Ganesh , Peter B. Littlewood

Room temperature ferromagnetism was characterized for thin films of SrTi$_{0.6}$Fe$_{0.4}$O$_{3-{\delta}}$ grown by pulsed laser deposition on SrTiO$_{3}$ and Si substrates under different oxygen pressures and after annealing under oxygen…

The emerging field of complex oxide interfaces is generically built on one of the most celebrated substrates - strontium titanate (SrTiO3). This material hosts a range of phenomena, including ferroelasticity, incipient ferroelectricity, and…

Mesoscale and Nanoscale Physics · Physics 2013-12-13 Maayan Honig , Joseph A. Sulpizio , Jonathan Drori , Arjun Joshua , Eli Zeldov , Shahal Ilani

La$_{0.7}$Ce$_{0.3}$MnO$_3$ thin films of different thicknesses, degrees of CeO$_2$-phase segregation and oxygen deficiency, grown on SrTiO$_3$ single crystal substrates, were comparatively investigated with respect to both their spectral…

Materials Science · Physics 2015-01-20 Andreas Thiessen , Elke Beyreuther , Robert Werner , Reinhold Kleiner , Dieter Koelle , Lukas M. Eng

Possible ferromagnetism induced in otherwise non-magnetic materials has been motivating intense research in complex oxide heterostructures. Here we show that a confined magnetism is realized at the interface between SrTiO3 and two…

We report on the observation of metallic behavior in thin films of oxygen-deficient SrTiO$_3$ - down to 9 unit cells - when coherently strained on (001) SrTiO$_3$ or DyScO$_3$-buffered (001) SrTiO$_3$ substrates. These films have carrier…

Materials Science · Physics 2016-06-06 Purnima P. Balakrishnan , Urusa S. Alaan , Matthew T. Gray , Yuri Suzuki

SrTiO$_3$ (STO) is the substrate of choice to grow oxide thin-films and oxide heterojunctions, which can form quasi-two-dimensional electronic phases that exhibit a wealth of phenomena, and, thus, a workhorse in the emerging field of…

Strongly Correlated Electrons · Physics 2016-08-31 Soham S. Ghosh , Efstratios Manousakis

Bodies in relative motion separated by a gap of a few nanometers can experience a tiny friction force. This non-contact dissipation can have various origins and can be successfully measured by a sensitive pendulum atomic force microscope…

Strongly Correlated Electrons · Physics 2018-09-17 Marcin Kisiel , Oleg O. Brovko , Dilek Yildiz , Remy Pawlak , Urs Gysin , Erio Tosatti , Ernst Meyer

High-quality (001)-oriented (pseudo-cubic notation) ferromagnetic YTiO$_3$ thin films were epitaxially synthesized in a layer-by-layer way by pulsed laser deposition. Structural, magnetic and electronic properties were characterized by…

Materials Science · Physics 2015-09-15 Yanwei Cao , P. Shafer , Xiaoran Liu , D. Meyers , M. Kareev , S. Middey , J. W. Freeland , E. Arenholz , J. Chakhalian

Strontium titanate (SrTiO3) is widely used as a promising photocatalyst due to its unique band edge alignment with respect to the oxidation and reduction potential corresponding to oxygen evolution reaction (OER) and hydrogen evolution…

Strontium titanate (SrTiO3, STO) is a critically important material for the study of emergent electronic phases in complex oxides, as well as for the development of applications based on their heterostructures. Despite the large body of…

Metallic strontium titanate (SrTiO$_3$) is known to have both normal-state and superconducting properties that vary strongly over a wide range of charge carrier densities. This indicates the importance of nonlinear dynamics, and has…

Strongly Correlated Electrons · Physics 2025-01-27 A. Najev , N. Somun , M. Spaić , I. Khayr , M. Greven , A. Klein , M. N. Gastiasoro , D. Pelc

SrTiO3 (STO) displays a broad spectrum of physical properties, including superconductivity, ferroelectricity, and photoconductivity, making it a standout semiconductor material. Despite extensive researches, the oxygen partial…

Materials Science · Physics 2026-04-27 Zenghua Cai , Chunlan Ma

This study of highly accelerated lifetime tests of SrTiO$_3$, a model semiconducting oxide, is motivated by the interest in reliable multilayer ceramic capacitors and resistance-switching thin-film devices. Our analytical solution to…

Materials Science · Physics 2021-01-01 Ana Alvarez , I-Wei Chen
‹ Prev 1 2 3 10 Next ›