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Density functional theory with local spin density approximation has been used to propose possible room temperature ferromagnetism in N-doped NaCl-type BaO. Pristine BaO is a wide bandgap semiconductor, however, N induces a large density of…

Materials Science · Physics 2015-05-05 Gul Rahman

Employing the state-of-the-art Density Functional Theory with both GGA and hybrid HSE06 functional along with the incorporation of spin-orbit coupling, we have engineered stable room temperature ferromagnetism in non-magnetic LaH$_3$…

Materials Science · Physics 2023-02-14 Poonam Sharma , Alok Shukla , Brahmananda Chakraborty

We explore via density functional calculations the magnetic doping of a topological ferroelectric as an unconventional route to multiferroicity. Vanadium doping of the layered perovskite La$_{2}$Ti$_{2}$O$_{7}$ largely preserves electric…

Materials Science · Physics 2012-11-22 Marco Scarrozza , Alessio Filippetti , Vincenzo Fiorentini

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

We present a theory of carrier-induced ferromagnetism in diluted magnetic semiconductors (III_{1-x} Mn_x V) which allows for arbitrary itinerant-carrier spin polarization and dynamic correlations. Both ingredients are essential in…

Condensed Matter · Physics 2009-10-31 Jürgen König , Hsiu-Hau Lin , Allan H. MacDonald

The structural, optical and magnetic properties of the Zn1-xMnxO (0 < x < 0.05) thin films synthesized by sol-gel technique have been analyzed in the light of modification of the electronic structure and disorder developed in the samples…

Materials Science · Physics 2015-06-11 R. Karmakar , S. K. Neogi , Aritra Banerjee , S. Bandyopadhyay

There have recently been various reports of weak ferromagnetism in graphite (1,2) and synthetic carbon materials (3) such as rhombohedral C60 (4), as well as a theoretical prediction of a ferromagnetic instability in graphene sheets (5).…

Condensed Matter · Physics 2009-11-07 J. M. D. Coey , M. Venkatesan , C. B. Fitzgerald , A. P. Douvalis , I. S. Sanders

In spite of being highly relevant for the development of a new generation of information storage devices, not many single-phase materials displaying magnetic and ferroelectric orders above room temperature are known. Moreover, these…

High quality epitaxial thin films of LaBiMn4/3Co2/3O6 perovskite were fabricated on (001)-oriented SrTiO3 and LaAlO3 substrates by the pulsed laser deposition technique. Magnetization measurements reveal a strong magnetic anisotropy and a…

Materials Science · Physics 2008-02-18 R. Ranjith , Asish K. Kundu , M. Filippi , B. Kundys , W. Prellier , B. Raveau , J. Laverdiere , M. P. Singh , S. Jandl

Room temperature ferromagnetism is observed in undoped TiO2 films deposited on Si substrates using pulsed laser deposition (PLD). The ferromagnetic properties of the samples depend on the oxygen partial pressure during the PLD synthesis.…

Materials Science · Physics 2009-11-13 Abdul K Rumaiz , Bakhtyar Ali , Abdullah Ceylan , M. Boggs , T. Beebe , S. Ismat Shah

The changes in magnetic properties of Ce(Fe0.9Co0.1)2 compound with increasing disorder are discussed in the paper. Homogeneous alloys are known to undergo the phase transition from ferromagnetic to antiferromagnetic state accompanied by…

Materials Science · Physics 2026-03-30 Andrzej Musiał , Maria Pugaczowa-Michalska , Natalia Lindner , Zbigniew Śniadecki

Vanadium oxide (VOx) is a material of significant interest due to its metal-insulator transition (MIT) properties as well as its diverse stable antiferromagnetism depending on the valence states of V and O with distinct MIT transitions and…

FeSi is a curious example of a $d$-electron system that manifests many of the same phenomena associated with $f$-electron Kondo insulators, including conducting surface states with potentially non-trivial topology. Here we investigate the…

Strongly Correlated Electrons · Physics 2024-10-11 Keenan E. Avers , Yun Suk Eo , Hyeok Yoon , Jarryd A. Horn , Shanta R. Saha , Alonso Suarez , Peter Zavalij , Johnpierre Paglione

The defect tolerance nature of organic-inorganic hybrid perovskite is reflected from its stupendous growth in photovoltaic performances. The presence of lattice defect can manipulate or even gives rise to some exceptional properties which…

Layered transition metal dichalcogenides (TMDs) are attracting increasing attention because they exhibit unconventional magnetic properties due to crystal imperfections in their usually non-magnetic 2D structure. This work aims to…

Mesoscale and Nanoscale Physics · Physics 2022-02-03 Utkalika P. Sahoo , Spandan Anupam , Bidyadhar Das , Mrinal K. Sikdar , Laxmipriya Nanda , Pratap K. Sahoo

Pure rutile Co-doped TiO$_2$ films were fabricated successfully by the conventional pulsed laser deposition technique on silicon substrates from a ceramic target. Under the right fabrication conditions, Co concentration in the films could…

Materials Science · Physics 2009-11-10 Nguyen Hoa Hong , Joe Sakai , W. Prellier , Awatef Hassini

We report room-temperature ferromagnetism in highly conducting transparent anatase Ti1-xTaxO2 (x~0.05) thin films grown by pulsed laser deposition on LaAlO3 substrates. Rutherford backscattering spectrometry (RBS), x-ray diffraction (XRD),…

Room temperature ferromagnetism was observed in In$_2$O$_3 thin films doped with 5 at.% vanadium, prepared by pulsed laser deposition at substrate temperatures ranging from 300 to 600 $\,^{\circ}{\rm C}$. X-ray absorption fine structure…

Materials Science · Physics 2015-06-17 Qi Feng , Harry J Blythe , A Mark Fox , Xiu-Fang Qin , Xiao-Hong Xu , Steve M Heald , Gillian A Gehring

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

Magnetic properties of thin films differs from that of the corresponding bulk materials and show novel physics as a result of their reduced size and dimensionality. Profound changes in magnetic properties can also result with exchange bias…

Materials Science · Physics 2023-02-21 Shivakumar Hunagund , V Santiago , C Castano
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