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Related papers: Electronic and magnetic properties of Ti4O7 predic…

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The structure and thermodynamic properties of Ti$_x$(HfNbTaZr)$_{(1-x)/4}$ from Refractory High Entropy multicomponent Alloys to pure titanium are investigated employing comprehensive MCSQS realizations of the disordered atomic structure…

Materials Science · Physics 2024-07-18 Asif I. Bhatti , Marwa Al-Houcine , David Tingaud , Sylvain Queyreau

TiPO$_4$ shows interesting structural and magnetic properties as temperature and pressure are varied, such as a spin-Peierls phase transition and the development of incommensurate modulations of the lattice. Recently, high pressure…

Strongly Correlated Electrons · Physics 2019-06-26 H. Johan M. Jönsson , Marcus Ekholm , Maxim Bykov , Leonid Dubrovinsky , Sander van Smaalen , Igor A. Abrikosov

Charge transfer between metal nanoparticles and the supported TiO2 surface is primarily important for catalytic applications as it greatly affects the catalytic activity and the thermal stability of the deposited nanoparticles on the…

Materials Science · Physics 2013-12-24 Cai Yongqing , Bai Zhaoqiang , Chintalapati Sandhya , Zeng Qingfeng , Feng Yuan Ping

Correlated transition metal oxides present exciting prospects as switches or memory and storage devices owing to the possibility to control electronic properties using various external stimuli. While their complex behaviour is known to stem…

TiSe2 has received much attention among the transition metals chalcogenides because of its thrilling physical properties concerning atypical resistivity behavior, emerging of charge density wave (CDW) state, induced superconductivity etc.…

Mesoscale and Nanoscale Physics · Physics 2024-04-15 D. L. Bashlakov , O. E. Kvitnitskaya , S. Aswartham , Y. Shemerliuk , H. Berger , D. V. Efremov , B. Büchner , Yu. G. Naidyuk

The electronic structure of Ba$_2$Ti$_2$Fe$_2$As$_4$O, a newly discovered superconductor, is investigated using first-principles calculations based on local density approximations. Multiple Fermi surface sheets originating from Ti-3$d$ and…

Superconductivity · Physics 2012-07-31 Hao Jiang , Yun-Lei Sun , Jianhui Dai , Guang-Han Cao , Chao Cao

The antiferrodistortive (AFD) structural transitions of calcium titanate (CaTiO3) at ambient pressure have been extensively studied during the last few years. It is found none of the AFD polymorphs is polar or ferroelectric. However, it was…

Materials Science · Physics 2013-05-30 Yijia Gu , Karin Rabe , Eric Bousquet , Venkatraman Gopalan , Long-Qing Chen

Magneli phases of titanium dioxide (such as Ti4O7, Ti5O9, etc.) provide electronic properties, namely a stable metallic behavior at room temperature. In this manuscript, we demonstrate that nanoscopic Magneli phases, formed intrinsically in…

The electronic structures of the cubic and tetragonal $\mathrm{MnV}_2\mathrm{O}_4$ have been studied by using hybrid-exchange density functional theory. The computed electronic structure of the tetragonal phase shows an anti-ferro orbital…

Strongly Correlated Electrons · Physics 2015-05-08 Wei Wu

Single crystals of La2Ni7 have been grown out of a binary, La-Ni melt. Temperature dependent, zero magnetic field, specific heat, electrical resistivity, and low field magnetization measurements indicate that there is a series of…

Strongly Correlated Electrons · Physics 2022-01-26 Raquel A. Ribeiro , Sergey L. Bud'ko , Li Xiang , Dominic H. Ryan , Paul C. Canfield

Structural phase transitions in $f$-electron materials have attracted sustained attention both for practical and basic science reasons, including that they offer an environment to directly investigate relationships between structure and the…

Strongly Correlated Electrons · Physics 2020-08-05 Y. Lai , K. Wei , G. Chappell , J. Diaz , T. Siegrist , P. J. W. Moll , D. Graf , R. E. Baumbach

Large magnetoelectric response in thin films is highly desired for high-throughput and high-density microelectronic applications. However, the d0 rule in single-phase compounds usually results in a weak interaction between ferroelectric and…

Strongly Correlated Electrons · Physics 2019-10-07 Xin Liu , Peipei Lu , Mei Wu , Yuanwei Sun , Jingdi Lu , Jing Wang , Dayu Yan , Youguo Shi , Zhiping Yin , Nian Xiang Sun , Peng Gao , Young Sun , Fa Wang , Ce-Wen Nan , Jinxing Zhang

The inherent existence of multi phases in iron oxide nanostructures highlights the significance of them being investigated deliberately to understand and possibly control the phases. Here, the effects of annealing at 250 0C with a variable…

Titanium dioxide (TiO2) is a wide band gap semiconducting material which is promising for photocatalysis. Here we present first-principles calculations to study the pressure dependence of structural and electronic properties of two TiO2…

Materials Science · Physics 2017-06-21 Yong Yang

The electronic structure of BaTi2As2O, a parent compound of the newly discovered titanium-based oxypnictide superconductors, is studied by angle-resolved photoemission spectroscopy. The electronic structure shows multi-orbital nature and…

Superconductivity · Physics 2015-06-18 H. C. Xu , M. Xu , R. Peng , Y. Zhang , Q. Q. Ge , F. Qin , M. Xia , J. J. Ying , X. H. Chen , M. Arita , K. Shimada , M. Taniguchi , D. H. Lu , B. P. Xie , D. L. Feng

The physical properties of metamagnetic Fe$_3$Ga$_4$ single crystals are investigated to explore the sensitivity of the magnetic states to temperature, magnetic field, and sample history. The data reveal a moderate anisotropy in the…

There have existed for a long time a paradigm that TiO phases at ambient conditions are stable only if structural vacancies are available. Using an evolutionary algorithm, we perform an ab initio search of possible zero-temperature…

Chemical Physics · Physics 2020-03-18 N. M. Chtchelkatchev , R. E. Ryltsev , M. V. Magnitskaya , Andrey A. Rempel

Perturbed angular correlation spectroscopy combined with $ab-initio$ electronic structure calculations is used to unravel the structural phase transition path from the low-temperature polar structure to the high-temperature structural phase…

While 2D materials attract considerable interests for their exotic electronic and mechanical properties, their phase behaviour is still largely not understood. This work focuses on (Mo:Ti)S$_2$ binary alloys which have captured the interest…

Materials Science · Physics 2021-06-15 Andrea Silva , Tomas Polcar , Denis Kramer

Controlling the coupling between localized spins and itinerant electrons can lead to exotic magnetic states. A novel system featuring local magnetic moments and extended 2D electrons is the interface between LaAlO3 and SrTiO3. The magnetism…

Strongly Correlated Electrons · Physics 2013-06-19 Arjun Joshua , J. Ruhman , S. Pecker , E. Altman , S. Ilani
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