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Related papers: Ir3Ge20: A 3n-Connected Cloverleaf-Shaped Superclu…

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The structure of the pseudo-binary mercury chalcogenide alloy HgSe0.7S0.3 has been studied by means of X-ray and neutron powder diffraction at pressures up to 8.5 GPa. A phase transition from the cubic zinc blende structure to the hexagonal…

Materials Science · Physics 2009-11-07 D. P. Kozlenko , K. Knorr , L. Ehm , S. Hull , B. N. Savenko , V. V. Shchennikov , V. I. Voronin

We report the design, synthesis, crystal structure, and physical properties of a layered intergrowth compound, Eu$_2$CuMn$_2$P$_3$. The structure of Eu$_2$CuMn$_2$P$_3$ features an alternating arrangement of hexagonal EuCuP block layers and…

Materials Science · Physics 2025-06-03 Xiyu Chen , Ziwen Wang , Wuzhang Yang , Jia-Yi Lu , Zhiyu Zhou , Zhi Ren , Guang-Han Cao , Shuai Dong , Zhi-Cheng Wang

IrTe$_2$ with large spin-orbital coupling (SOC) shows a CDW-like first order structural phase transition from high-temperature trigonal phase to low-temperature monoclinic phase at 270 K, accompanying with a large jump in transport and…

The theoretical study of grain boundaries (GBs) in polycrystalline semiconductors is currently stalemated by their complicated nature, which is difficult to extract from any direct experimental characterization. Usually,…

Materials Science · Physics 2016-05-25 Cheng-yan Liu , Yue-yu Zhang , Yu-sheng Hou , Shi-you Chen , Hong-jun Xiang , Xin-gao Gong

This communication reports the first example of cyclic ferric clusters with an odd number of iron atoms capped by phosphonate ligands, namely, [Fe9(m-OH)7(m-O)2(O3PC6H9)8-(py)12]. The magnetic studies support a S = 1/2 ground state with an…

Strongly Correlated Electrons · Physics 2007-05-23 H. C. Yao , J. J. Wang , Y. S. Ma , O. Waldmann , W. X. Du , Y. Song , Y. Z. Li , L. M. Zheng , S. Decurtins , X. Q. Xin

A systematic theoretical study of stoichiometric clusters (NaI)n up to n=15 is performed using the ab initio Perturbed-Ion (PI) model. The structures obtained are compared to previous pair potential results, and observed differences between…

Atomic and Molecular Clusters · Physics 2009-09-25 A. Aguado , A. Ayuela , J. M. Lopez , J. A. Alonso

Contrary to previous studies that classify Na2IrO3 as a realization of the Heisenberg-Kitaev model with dominant spin-orbit coupling, we show that this system represents a highly unusual case in which the electronic structure is dominated…

Strongly Correlated Electrons · Physics 2015-03-20 I. I. Mazin , H. O. Jeschke , K. Foyevtsova , R. Valenti , D. I. Khomskii

Starting from the Zn17Sc3 cubic approximant, new quasicrystal alloys were searched by replacement of Zn with transition elements, T. In the cases of T=Mn, Fe, Co and Ni, new icosahedral quasicrystals are formed in as-cast alloys as major…

Materials Science · Physics 2009-11-10 Ryo Maezawa , Shiro Kashimoto , Tsutomu Ishimasa

Recently, a 2D orthorhombic silver-organic framework, Ag3C20 monolayer, was synthesized by assembling organic molecules linked with multiple aryl-metal bonds. Herein, via first-principles study, we demonstrate that owing to the unique…

Materials Science · Physics 2022-08-30 Zhiheng Ly , Ningning Jia , Jiangtao Cai , Jijun Zhao , Zhifeng Liu

The synthesis of two-dimensional van der Waals magnets has paved the way for both technological applications and fundamental research on magnetism confined to ultra-small length scales. Edge magnetic moments in ferromagnets are expected to…

Discontinuous magnetic multilayers [CoFe/Al2O3] are studied by use of magnetometry, susceptometry and numeric simulations. Soft ferromagnetic Co80Fe20 nanoparticles are embedded in a diamagnetic insulating a-Al2O3 matrix and can be…

Materials Science · Physics 2010-09-13 O. Petracic , X. Chen , S. Bedanta , W. Kleemann , S. Sahoo , S. Cardoso , P. P. Freitas

In this Letter, we demonstrate that it is possible to form a two-dimensional (2D) silicene-like Si$_5$Ge compound by replacing the Si atoms occupying on-top sites in the planar-like structure of epitaxial silicene on ZrB$_2$(0001) by…

We study a new hypothetical form of solid carbon \csc, with a unit cell which is composed of the \cs \ fullerene cluster and an additional single carbon atom arranged in the zincblende structure. Using {\it ab initio} calculations, we show…

Condensed Matter · Physics 2016-08-31 Linda M. Zeger , Yu-Min Juan , Efthimios Kaxiras , A. Antonelli

Mg2GeO4 is an analogue for the ultra-high pressure behavior of Mg2SiO4, so we have investigated magnesium germanate to 275 GPa and over 2000 K using a laser-heated diamond anvil cell combined with in situ synchrotron X-ray diffraction and…

The fabrication of more and more miniaturized electronic and photonic devices relies on new, ingenious methods for the fabrication of spatially controlled nanostructures. Examples are electronic devices based on semiconducting nanowires and…

Materials Science · Physics 2007-05-23 T. Mueller , K. -H. Heinig , B. Schmidt

The recent experimental fabrication of monolayer and few-layer C60 polymers paves the way for synthesizing two-dimensional cluster-assembled materials. Compared to atoms with the SO(3) symmetry, clusters as superatoms (e.g., C60) have an…

Materials Science · Physics 2023-05-08 Xueao Li , Fan Zhang , Xuefei Wang , Weiwei Gao , Jijun Zhao

The structural, electronic and dynamical properties of a group of 2D germanium-based compounds, including GeC, GeN, GeO, GeSi, GeS, GeSe, and germanene, are investigated by employing first-principles calculations. The most stable structure…

We have discovered a new compound of the composition ScPd2Al3 crystallizing in unknown structure type. Moreover, ScPd2Al3 reveals polymorphism. We have found an orthorhombic crystal structure at room temperature and a high temperature cubic…

The palladium-iron-arsenides Ca10(Fe1-xPdxAs)10(Pd3As8) were synthesized by solid state methods and characterized by X-ray powder and single crystal diffraction. The triclinic crystal structure (space group P-1) is isotypic to the homologue…

Superconductivity · Physics 2014-10-29 C. Hieke , J. Lippmann , T. Stürzer , G. M. Friederichs , F. Nitsche , F. Winter , R. Pöttgen , D. Johrendt

We report the discovery of superconductivity in pressurized CeRhGe3, until now the only remaining non-superconducting member of the isostructural family of non-centrosymmetric heavy-fermion compounds CeTX3 (T = Co, Rh, Ir and X = Si, Ge).…