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Related papers: Revealing Optically Induced Magnetization in SrTiO…

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Strontium titanate (SrTiO$_3$) is a foundational material in the emerging field of complex oxide electronics. While its electronic and optical properties have been studied for decades, SrTiO$_3$ has recently become a renewed materials…

Mesoscale and Nanoscale Physics · Physics 2014-07-11 W. D. Rice , P. Ambwani , M. Bombeck , 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

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

The search for oxide-based room-temperature ferromagnetism has been one of the holy grails in condensed matter physics. Room-temperature ferromagnetism observed in Nb-doped SrTiO3 single crystals is reported in this Rapid Communication. The…

Materials Science · Physics 2013-06-20 Z. Q. Liu , W. M. Lu , S. L. Lim , X. P. Qiu , N. N. Bao , M. Motapothula , J. B. Yi , M. Yang , S. Dhar , T. Venkatesan , Ariando

Light-matter interaction allows to achieve non-equilibrium states that are otherwise inaccessible. Motivated by recent experiments that report ferroelectricity -- and even multiferroicity -- in the prototypical diamagnetic band insulator…

Materials Science · Physics 2026-02-25 Andri Darmawan , Markus E. Gruner , Rossitza Pentcheva

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

An unexpectedly large transient magnetization induced by circularly polarized ferroelectric phonons was recently observed in a nonmagnetic insulator SrTiO3 [Nature 628, 534 (2024)]. We use a minimal molecular orbital model to demonstrate…

Materials Science · Physics 2025-06-06 Sergei Urazhdin

We report magnetotransport properties of photogenerated electrons in undoped SrTiO$_3$ single crystals under ultraviolet illumination down to 2 K. By tuning the light intensity, the steady state carrier density can be controlled, while…

Strongly Correlated Electrons · Physics 2009-11-13 Y. Kozuka , Y. Hikita , T. Susaki , H. Y. Hwang

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

Magnetism in La$_{1-x}$Sr$_x$CoO$_3$ as a function of doping is investigated with X-ray absorption spectroscopy and X-ray magnetic circular dichroism at the O K edge, and corresponding first principles electronic structure calculations. For…

Strongly Correlated Electrons · Physics 2012-10-15 S. Medling , Y. Lee , H. Zhang , J. F. Mitchell , J. W. Freeland , B. N. Harmon , F. Bridges

Mn-doped SrTiO_3.0, when synthesized free of impurities, is a paramagnetic insulator with interesting dielectric properties. Since delocalized charge carriers are known to promote ferromagnetism in a large number of systems via diverse…

Materials Science · Physics 2013-10-08 D. Choudhury , B. Pal , A. Sharma , S. V. Bhat , D. D. Sarma

Irradiating ${\rm Cu}_2{\rm Mo}({\rm CN})_8\cdot 8{\rm H}_2{\rm O}$ with blue light induces a global magnetization, whereas succeeding irradiations with red or longer-wavelength light demagnetize this material. We solve the time-dependent…

Strongly Correlated Electrons · Physics 2020-08-25 Jun Ohara , Shoji Yamamoto

We report the optical, electrical transport, and magnetotransport properties of high quality oxygen deficient SrTiO3 (STO) single crystal film fabricated by pulsed laser deposition and reduced in the vacuum chamber. The oxygen vacancy…

Linear dichroism -- the polarization dependent absorption of electromagnetic waves -- is routinely exploited in applications as diverse as structure determination of DNA or polarization filters in optical technologies. Here filamentary…

Strongly Correlated Electrons · Physics 2018-03-23 I. Stasinopoulos , S. Weichselbaumer , A. Bauer , J. Waizner , H. Berger , M. Garst , C. Pfleiderer , D. Grundler

Here we present a study of magnetism in \CTO\ anatase films grown by pulsed laser deposition under a variety of oxygen partial pressures and deposition rates. Energy-dispersive spectrometry and transition electron microscopy analyses…

Magnetic materials with strong spin-orbit coupling (SOC) are essential for the advancement of spin-orbitronic devices, as they enable efficient spin-charge conversion, complex magnetic structures, spin-valley physics, topological phases and…

In quantum materials, degeneracies and frustrated interactions can have a profound impact on the emergence of long-range order, often driving strong fluctuations that suppress functionally relevant electronic or magnetic phases. Engineering…

Strongly Correlated Electrons · Physics 2023-08-07 A. S. Disa , J. Curtis , M. Fechner , A. Liu , A. von Hoegen , M. Först , T. F. Nova , P. Narang , A. Maljuk , A. V. Boris , B. Keimer , A. Cavalleri

In this work, we present a comprehensive study of the low energy optical magnetic response of the skyrmionic Mott insulator Cu$_2$OSeO$_3$ via high resolution time-domain THz spectroscopy. In zero field, a new magnetic excitation not…

Strongly Correlated Electrons · Physics 2017-07-03 N. J. Laurita , G. G. Marcus , B. A. Trump , J. Kindervater , M. B. Stone , T. M. McQueen , C. L. Broholm , N. P. Armitage

A magneto-optically active thin film of Rb$_{j}$Co$_{k}$[Fe(CN)$_{6}$]$_{l}$ $\cdot$$n$H$_{2}$O has been prepared using a sequential assembly method. Upon irradiation with light and at 5 K, the net magnetization of the film increased when…

Other Condensed Matter · Physics 2016-08-16 J. -H. Park , E. Čižmár , M. W. Meisel , Y. D. Huh , F. Frye , S. Lane , D. R. Talham

The occurence of spin-polarization at ZrO$_{2}$, Al$_{2}$O$_{3}$ and MgO surfaces is proved by means of \textit{ab-initio} calculations within the density functional theory. Large spin moments, as high as 1.56 $\mu_B$, develop at O-ended…

Materials Science · Physics 2009-11-11 S. Gallego , J. I. Beltran , J. Cerda , M. C. Munoz
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