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Related papers: Dilute stuffing in the pyrochlore iridate $Eu_2Ir_…

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Successive magnetic phase transitions at $T_{\text{N}}$=12.2 K, $T_{\text{N}}^{\;\prime}$=7.0 K, and $T_{\text{N}}^{\;*}$=5.0 K in EuIrGe$_3$, an intermetallic compound with a body centered tetragonal lattice belonging to a polar space…

The recent observation of a insulator to metal transition (IMT) [I. Loa et al, PRL 87, 125501 (2001)] in pure LaMnO$_3$ at 32 GPa and room temperature, well above the Neel temperature (145 K) and below the Jahn-Teller transition temperature…

Strongly Correlated Electrons · Physics 2009-04-16 Javier D. Fuhr , Blas Alascio , Michel Avignon

We investigate the phase diagram of moir\'e double bilayer transition metal dichalcogenides with ABBA stacking as a function of twist angle and applied pressure. At hole filling $\nu = 2$ per moir\'e unit cell, the noninteracting system…

Mesoscale and Nanoscale Physics · Physics 2026-02-02 Jan Biedermann , Lukas Janssen

Pyrochlore erbium titanate samples in the form of powders (with nominal compositions of Er2Ti2+xO7) and bulk single crystals were prepared to elucidate the effect of synthesis and growth conditions on their composition, structure, and…

Materials Science · Physics 2018-12-14 Q. Wang , A. Ghasemi , A. Scheie , S. M. Koohpayeh

Recent neutron scattering and specific heat studies on the pyrochlore Yb2Ti2O7 have revealed variations in its magnetic behavior below 265mK. In the best samples, a sharp anomaly in the specific heat is observed at T=265mK. Other samples,…

Strongly Correlated Electrons · Physics 2013-02-01 K. A. Ross , Th. Proffen , H. A. Dabkowska , J. A. Quilliam , L. R. Yaraskavitch , J. B. Kycia , B. D. Gaulin

Owing to comparably strong spin-orbit coupling and Hubbard interaction, iridium based 227 pyrochlore oxides harbor a rich confluence of competing magnetic orders and emergent multipolar Weyl quasiparticles. Here we show that this family of…

Strongly Correlated Electrons · Physics 2021-06-30 Konstantinos Ladovrechis , Tobias Meng , Bitan Roy

Pyrochlore oxides with chemical formula of A2B2O7 exhibit a diverse range of electronic properties as a representative family of quantum materials. These properties mostly stem from strong electron correlations at the transition metal B…

Strongly Correlated Electrons · Physics 2025-04-25 Yoshinori Tokura , Yukitoshi Motome , Kentaro Ueda

Temperature-dependent Brillouin scattering studies have been carried out on La_{0.77}Ca_{0.23}MnO_3 across the paramagnetic insulator - ferromagnetic metal (I-M) transition. The spectra show a surface Rayleigh wave (SRW) and a high velocity…

Materials Science · Physics 2007-05-23 Md. Motin Seikh , Chandrabhas Narayana , L. Sudheendra , A. K. Sood , C. N. R. Rao

In the paper, PRB {\bf 77}, 085118 (2008), the authors conclude that the observation of Ti-doping induced half-metallicity in SrRu$_{1-x}$TI$_x$O$_3$ within the limit of local density approximations is not valid as the experimental results…

Strongly Correlated Electrons · Physics 2008-07-21 Kalobaran Maiti

We report the structural, magnetic and electrical transport properties of Y$_2$Ir$_{2-x}$Cr$_x$O$_7$ pyrochlore iridates. The chemical doping leads to order of magnitude enhancement of electrical conductivity. The introduction of Cr3+ at…

Materials Science · Physics 2019-07-24 Vinod Kumar Dwivedi , Soumik Mukhopadhyay

We report an experimental investigation of the two-dimensional ${J}_{\rm eff}$ = 1/2 antiferromagnetic Mott insulator by varying the interlayer exchange coupling in [(SrIrO$_3$)$_1$, (SrTiO$_3$)$_m$] ($m$ = 1, 2 and 3) superlattices.…

Strongly Correlated Electrons · Physics 2017-08-02 L. Hao , D. Meyers , C. Frederick , G. Fabbris , J. Y. Yang , N. Traynor , L. Horak , D. Kriegner , Y. S. Choi , J. W. Kim , D. Haskel , P. J. Ryan , M. P. M. Dean , J. Liu

Results from transport measurements in individual $W_{x}V_{1-x}O_{2}$ nanowires with varying extents of $W$ doping are presented. An abrupt thermally driven metal-insulator transition (MIT) is observed in these wires and the transition…

Strongly Correlated Electrons · Physics 2015-05-20 Tai-Lung Wu , Luisa Whittaker , Sarbajit Banerjee , G. Sambandamurthy

Stacking variations in quasi-2D materials can have an important influence on material properties, such as changing the topology of the band structure. Unfortunately, the weakness of van der Waals interactions makes it difficult to compute…

Materials Science · Physics 2022-01-10 John A. Schneeloch , Yu Tao , Jaime A. Fernandez-Baca , Guangyong Xu , Despina Louca

The structural, electrical transport and magnetic properties of perovskite oxides La1-xTexMnO3 have been investigated and thus the magnetic phase diagram of La1-xTexMnO3 compounds as a function of temperature and the doping level x has been…

Strongly Correlated Electrons · Physics 2007-05-23 J. Yang , W. H. Song , Y. Q. Ma , R. L. Zhang , B. C. Zhao , Z. G. Sheng , G. H. Zheng , J. M. Dai , Y. P. Sun

We study \textit{ab initio} a pyrochlore compound, CsW$_{2}$O$_{6}$, which exhibits a yet unexplained metal-insulator transition. We find that (1) the reported low-$T$ structure is likely inaccurate and the correct structure has a twice…

Superconductivity · Physics 2017-01-10 S. V. Streltsov , I. I. Mazin , R. Heid , K. -P. Bohnen

We report structural and magnetic properties studies of large high quality single-crystals of the frustrated magnet, Nd$_2$Zr$_2$O$_7$. Powder x-ray diffraction analysis confirms that Nd$_2$Zr$_2$O$_7$ adopts the pyrochlore structure.…

Strongly Correlated Electrons · Physics 2015-05-18 M. Ciomaga Hatnean , M. R. Lees , O. A. Petrenko , D. S. Keeble , G. Balakrishnan , M. J. Gutmann , V. V. Klekovkina , B. Z. Malkin

Muon spin relaxation measurements on the filled skutterudite compound SmRu4P12 have been carried out in zero- and longitudinal-fields. Temperature dependence of both initial asymmetry and muon-spin depolarization rate show the appearance of…

Strongly Correlated Electrons · Physics 2009-11-11 K. Hachitani , H. Fukazawa , Y. Kohori , I. Watanabe , C. Sekine , I. Shirotani

A comprehensive study of the electronic and structural phase transition from 1T` to Td in the bulk Weyl semimetal Mo1-xWxTe2 at different doping concentrations has been carried out using time-of-flight momentum microscopy (including…

We report on a metal-insulator transition (MIT) that is observed in an electron system at the SmTiO3/SrTiO3 interface. This MIT is characterized by an abrupt transition at a critical temperature, below which the resistance changes by more…

Strongly Correlated Electrons · Physics 2017-06-13 Kaveh Ahadi , Susanne Stemmera

Devices based on a pure spin current (a flow of spin angular momentum) have been attracting increasing attention as key ingredients for low-dissipation electronics. To integrate such spintronics devices into charge-based technologies, an…

Mesoscale and Nanoscale Physics · Physics 2014-02-11 Kohei Fujiwara , Yasuhiro Fukuma , Jobu Matsuno , Hiroshi Idzuchi , Yasuhiro Niimi , YoshiChika Otani , Hidenori Takagi