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Related papers: Efficient resistive memory effect on SrTiO3 by ion…

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The 5d-electron based BaIrO3 is a nonmetallic weak ferromagnet with a Curie temperature at Tc=175 K. Its largely extended orbitals generate strong electron-lattice coupling, and magnetism and electronic structure are thus critically linked…

Strongly Correlated Electrons · Physics 2009-11-10 G. Cao , X. N. Lin , S. Chikara , V. Durairaj , E. Elhami

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

In the superionic phase of silver iodide, we observe a distorted tetragonal structure characterized by symmetry breaking in the cation distribution. This phase competes with the well known bcc phase, with a symmetric cation distribution at…

Materials Science · Physics 2024-09-24 Amir Hajibabaei , William J. Baldwin , Gábor Csányi , Stephen J. Cox

The effective mass is one of the main factors determining the Seebeck coefficient and electronic conductivity. Nb-doping increases the effective mass because of two reasons, lattice constants increase and electronic effects. In this…

Strongly Correlated Electrons · Physics 2009-07-21 Wilfried Wunderlich , Hiromichi Ohta , Kunihito Koumoto

The dielectric constant of amorphous solids at low temperatures is governed by the dynamics of tunneling systems, small groups of atoms which tunnel between quasi equivalent potential minima. Recent experiments showed that at temperatures…

Disordered Systems and Neural Networks · Physics 2007-05-23 P. Nalbach

The crystal structure of bulk SrTiO$_3$(STO) transitions from cubic to tetragonal at around 105K. Recent local scanning probe measurements of LaAlO$_3$/SrTiO$_3$ (LAO/STO) interfaces indicated the existence of spatially inhomogeneous…

We demonstrate with first-principles electron transport calculations that large tunneling magnetoresistance (TMR) and tunneling electroresistance (TER) effects can coexist in an all-oxide device. The TMR originates from the symmetry-driven…

Materials Science · Physics 2015-06-04 Nuala Mai Caffrey , Thomas Archer , Ivan Rungger , Stefano Sanvito

We present a novel design of a strained topological insulator spin-orbit torque random access memory (STI-SOTRAM) bit cell comprising a piezoelectric/magnet (gating)/topological insulator (TI)/magnet (storage) heterostructure that leverages…

Mesoscale and Nanoscale Physics · Physics 2025-03-03 Md Golam Morshed , Hamed Vakili , Mohammad Nazmus Sakib , Samiran Ganguly , Mircea R. Stan , Avik W. Ghosh

The mechanism of superconductivity in materials with aborted ferroelectricity and the emergence of a dilute metallic phase in systems like doped-SrTiO$_3$ are outstanding issues in condensed matter physics. This dilute metal has features…

Strongly Correlated Electrons · Physics 2024-03-01 K. Santhosh Kumar , Dooyong Lee , Shivasheesh Varshney , Bharat Jalan , N. P. Armitage

First principles calculations through density functional theory (DFT)+$U$ method were performed to assess the effect of Li interstitial doping on the optoelectronic properties of NiO and of cubic, hexagonal, and monoclinic WO$_3$. The…

The electrocaloric (EC) effect and energy storage properties of eco-friendly ferroelectric Ba0.9Sr0.1Ti1-xSnxO3 (BSTS-x) ceramics prepared by the conventional solid-state reaction method were studied. Significant energy efficiency exceeding…

LiNbO3 (LN) is renowned for its exceptional ferroelectric properties, particularly its notable linear electro-optical (EO) effect, which is highly advantageous for various applications such as high-speed communication, optical computation,…

Materials Science · Physics 2024-08-20 Yalong Yu , Bo Xiong , Siqi Wu , Yekai Ren , Nuo Chen , Qingjiao Mi , Zhaojie Zheng , Kangping Lou , Rui Wang , Tao Chu

We have investigated the electronic properties of epitaxial orthorhombic SrIrO3 thin-films under compressive strain. The metastable, orthorhombic SrIrO3 thin-films are synthesized on various substrates using an epi-stabilization technique.…

Strongly Correlated Electrons · Physics 2014-11-18 J. H. Gruenewald , J. Nichols , J. Terzic , G. Cao , J. W. Brill , S. S. A. Seo

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

SrIrO$_3$ is a metallic complex oxide with unusual electronic and magnetic properties believed to originate from electron correlations due to its proximity to Mott metal-insulator transition. However, the nature of its electronic state and…

Strongly Correlated Electrons · Physics 2024-05-30 Yiou Zhang , Shashi Pandey , Sergei Ivanov , Jian Liu , Sergei Urazhdin

Memory effects can have a profound impact on the resistivity of semiconductor systems, resulting in giant negative magnetoresistance and MIRO phenomena. This work opens the discussion of the memory effects in 3D conducting systems featured…

Mesoscale and Nanoscale Physics · Physics 2021-08-11 K. S. Denisov , K. A. Baryshnikov , P. S. Alekseev , N. S. Averkiev

In the present work, multi-level resistive switching (RS) in W/Co:TiO2/FTO structures induced by a multi-mixed mechanism was studied. It was found that the devices could be reproducibly programmed into three nonvolatile resistance states.…

Materials Science · Physics 2015-09-29 Haitao Tang , Zhi Luo , Zhao Yang , Bin Yang , Bo Huang , Weiguang Xie

An atomistic effective Hamiltonian technique is used to investigate the finite-temperature energy storage properties of a ferroelectric nanocomposite consisting of an array of BaTiO$_{3}$ nanowires embedded in a SrTiO$_{3}$ matrix, for…

ODS steels based on yttrium oxide have been suggested as potential fusion reactor wall materials due to their observed radiation resistance properties. Presumably this radiation resistance can be related to the interaction of the particle…

Materials Science · Physics 2015-06-17 J. Brodrick , D. J. Hepburn , G. J. Ackland

Resistive random-access memory (RRAM) is gaining popularity due to its ability to offer computing within the memory and its non-volatile nature. The unique properties of RRAM, such as binary switching, multi-state switching, and device…

Emerging Technologies · Computer Science 2024-07-08 Simranjeet Singh , Farhad Merchant , Sachin Patkar