English
Related papers

Related papers: High-throughput computation and structure prototyp…

200 papers

We suceeded in the preparation of polycrystalline Ca_2FeReO_6 which has a Curie temperature of 540 K, the highest value of all magnetic perovskites investigated up to now. This material has been characterised by X-ray and neutron powder…

Materials Science · Physics 2007-05-23 W. Westerburg , O. Lang , C. Felser , W. Tremel , M. Waldeck , F. Renz , P. Guetlich , C. Ritter , G. Jakob

We study electric field induced two-dimensional coherent nonlinear optical spectroscopy (2DCS) in a Kitaev magnet at finite temperature. We show that 2DCS is susceptible to both types of fractional quasiparticles of this quantum…

Strongly Correlated Electrons · Physics 2024-03-15 Wolfram Brenig , Olesia Krupnitska

Being a wide band gap system GaMnN attracted considerable interest after the discovery of highest reported ferromagnetic transition temperature $T_C$ $\sim$ 940 K among all diluted magnetic semiconductors. Later it become a debate due to…

Strongly Correlated Electrons · Physics 2020-12-16 Sourav Chakraborty , Subrat K Das , Kalpataru Pradhan

We theoretically investigate disorder effects on the ferromagnetic transition ('Curie') temperature $T_c$ in dilute III$_{1-x}$Mn$_x$V magnetic semiconductors (e.g. Ga$_{1-x}$Mn$_x$As) where a small fraction ($x \approx 0.01-0.1$) of the…

Materials Science · Physics 2009-11-10 S. Das Sarma , E. H. Hwang , D. J. Priour

Among several well-known transition metal-based compounds, the van der Waals (vdW) Fe3-xGeTe2 (FGT) magnet is a strong candidate for use in two-dimensional (2D) magnetic devices due to its strong perpendicular magnetic anisotropy, sizeable…

The realization of long-range magnetic ordering in two-dimensional (2D) systems can potentially revolutionize next-generation information technology. Here, we report the successful fabrication of crystalline Cr3Te4 monolayers with room…

Creating materials that do not exist in nature can lead to breakthroughs in science and technology. Magnetic skyrmions are topological excitations that have attracted great attention recently for their potential applications in low power,…

We report some unusual magnetic properties observed in CoFe2O4 based ferrofluid (with an average particle size of D = 6 nm). More precisely, in addition to the low-field ferromagnetic (FM) phase transition with an intrinsic Curie…

Materials Science · Physics 2017-08-29 S. Sergeenkov , C. Stan , C. P. Cristescu , M. Balasoiu , N. S. Perov , C. Furtado

For the spin-$\frac{1}{2}$ Heisenberg antiferromagnet on the Kagom\'e lattice we calculate the high temperature series for the specific heat and the structure factor. A comparison of the series with exact diagonalisation studies shows that…

Condensed Matter · Physics 2009-10-22 N. Elstner , A. P. Young

Structural and magnetic properties of the CoMn$_{0.88}$Cu$_{0.12}$Ge compound have been investigated using X-ray diffraction (XRD) and differential scanning calorimetry (DSC) accompanied with investigation of magnetic properties under…

Multi-resonance thermally activated delayed fluorescence (MR-TADF) materials have garnered significant research interest owing to their remarkably narrow emission spectra with full width at half maximum (FWHM) below $40~\text{nm}$,…

Materials Science · Physics 2025-05-14 Jinpu Bai , Jingfu Guo , Aynur Matyusup , Aimin Ren , Lu Shen

We searched for stable crystal structures of YFe$_{12}$ using a crystal structure prediction technique based on a genetic algorithm and first-principles calculations. We obtained two monoclinic $C2/m$ structures as metastable phases that…

Materials Science · Physics 2020-10-21 Takahiro Ishikawa , Taro Fukazawa , Takashi Miyake

Reliable calculations of the structure of heavy elements are crucial to address fundamental science questions such as the origin of the elements in the universe. Applications relevant for energy production, medicine, or national security…

The structural, electrical and magnetic properties of the superconducting ferromagnets, Gd1.4-xDyxCe0.6Sr2RuCu2O10 (x=0-0.6) are systematically investigated as a function of Dy doping and temperature. These compounds are characterised by…

Superconductivity · Physics 2009-11-07 S. Kalavathi , J. Janaki , G. V. N. Rao , V. Sankara Sastry , Y. Hariharan

Results are reported for single crystal specimens of Hf$_2$Te$_2$P and compared to its structural analogue Zr$_2$Te$_2$P, which was recently proposed to be a potential reservoir for Dirac physics.[1] Both materials are produced using the…

Materials Science · Physics 2016-03-09 K. -W. Chen , S. Das , D. Rhodes , S. Memaran , T. Besara , T. Siegrist , E. Manousakis , L. Balicas , R. E. Baumbach

Increasing demands for renewable sources of energy has been a major driving force for developing efficient thermoelectric materials. Two-dimensional (2D) transition-metal dichalcogenides (TMDC) have emerged as promising candidates for…

Materials Science · Physics 2023-05-24 Sathwik Bharadwaj , Ashwin Ramasubramaniam , L. R. Ram-Mohan

In this work, we have proposed a data-driven screening framework combining the interpretable machine learning with high-throughput calculations to identify a series of metal oxides that exhibit both high-temperature tolerance and high power…

Materials Science · Physics 2024-05-01 Shengluo Ma , Yongchao Rao , Xiang Huang , Shenghong Ju

CeRu2Si2 and CeRh2Si2 are two similar heavy fermion stoichiometric compounds located on the two sides of the magnetic quantum critical phase transition. CeRh2Si2 is an antiferromagnet below T_N=36 K with moderate electronic masses whereas…

Strongly Correlated Electrons · Physics 2015-06-11 A. Maldonado , H. Suderow , S. Vieira , D. Aoki , J. Flouquet

We report a new family of Ce-based heavy-fermion compounds whose electronic specific heat coefficients range from about 400 to over 700 mJ/mole Ce-K2. Crystal in this family form as CenTmIn3n+2m, where T=Rh or Ir, n=1 or 2, and m=1, with a…

Intermetallic compounds R2Fe17 are perspective for applications as permanent magnets. Technologically these systems must have Curie temperature Tc much higher than room temperature and preferably have easy axis anisotropy. At the moment…

Strongly Correlated Electrons · Physics 2011-06-29 E. E. Kokorina , M. V. Medvedev , I. A. Nekrasov