Thcr2si2-type structure

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Web30 Apr 2024 · We study the relationship between antiferromagnetic order and the electronic properties of KCuMnS 2 with the ThCr 2 Si 2-type structure.We propose two magnetic structures for KCuMnS 2 with the ThCr 2 Si 2-type structure.Powder samples of KCuMnS 2 and KLiMnS 2 were prepared for structural studies and magnetization measurements. In … Web1 May 1997 · The electronic structures of ThCr{sub 2}Si{sub 2}-type compounds were studied by means of self-consistent LMTO band structure calculations. Different bonding interactions in SrRh{sub 2}P{sub 2} are analyzed and their dependence on the electron count are discussed in terms of the formal substitution of elements.

Magnetic order effects on the electronic structure of

Web26 Oct 2012 · All compounds crystallize in the ThCr2Si2-type structure with space group I4/mmm (No. 139): a = 3.939 (1) Å, c = 10.185 (1) Å, R1 = 0.045, 85 F2 values, 8 variable parameters for CaFe2Si2 ; a = 4.0612 (3) Å, c = 9.9373 (9) Å, R1 = 0.030, 90 F2 values, 10 variable parameters for CaFe0.68 (6)Rh1.32 (6)Si2; a = 4.0695 (1) Å, c = 9.9841 (3) Å, R1 = … Web1 Jan 1990 · Crystal structures of ternary lanthanoid transition metal phosphides with the tetragonal ThCr2Si2 (at the left side) and (anti-)PbFCl-type structure. The origin of the PbFCl-type structure was shifted from the usual setting to the lanthanoid position to emphasize the similarity with the ThCr2Si2-type structure. photo frames for ultrasound pictures

Structure and properties of the 5.5 K antiferromagnet EuAu2Ge2

WebCrystal structure of tetragadolinium hexanickel icosatresaluminium, Gd 4 Ni 6 Al 23 with Y 4 Ni 6 Al 23 type Crystal structure of europium dirhodium digermanium, EuRh 2Ge 2 with ThCr 2Si 2 type Crystal structure of ytterbium rhodium germanium, YbRhGe with TiNiSi type Web1 Jul 2011 · The obtained gapless electronic structure is of a 3D-type with a unique Fermi surface topology, thus the formation of a superstructure is crucial for the physical … Web5 Jun 2024 · We investigated the coexistence of superconductivity and antiferromagnetic order in the compound Er 2 O 2 Bi with anti-ThCr 2 Si 2 -type structure through resistivity, magnetization, specific heat measurements and first-principle calculations. photo frames free templates download

[1210.7152] Synthesis and structure of SrCo2Si2 and CaRh2Si2 ...

Unconventional magnetism in ThCr2Si2-type phosphides, …

WebThey crystd. in the ThCr2Si2 (BaAl4, CeAl2Ga2) type of structure and their lattice parameters were detd. Single crystals of the ternary phosphides were obtained using Sn as a flux. The crystal structure of EuCo2P2 (ThCr2Si2-type) was refined from single-crystal counter data to a conventional R of 0.047 for 210 unique structure factors. WebTrends in structural, electronic properties and Fermi surface topology of 15 tetragonal ThCr2Si2-type phases AFe2Ch2, where A=Li, Na, K, Rb, and Cs; Ch=S, Se, and Te, as parent systems of new ternary iron–chalcogenide superconductors Igor R . Shein 2012, Computational Materials Science photo frames heart shaped designsWeb8 Nov 2024 · From the Rietveld analysis ( Table I ), anti-ThCr 2 Si 2 -type Tb 2 O 2 Bi was confirmed as the main phase (79.64 mol %), in addition to the Tb 2 O 3 secondary phase … photo frames freeware

"WebPowder and single-crystal X-ray diffraction indicate that all La 1−x Nd x Co 2 P 2 samples are isostructural and crystallize in the ThCr 2 Si 2 structure type. The unit cell parameters and … " - Thcr2si2-type structure

Thcr2si2-type structure

(PDF) Trends in structural, electronic properties and Fermi surface ...

Web3 Mar 2011 · LaCo2B2 with a ThCr2Si2-type structure composed of alternately stacked La and CoB layers exhibits metallic electrical conductivity and Pauli paramagnetic behavior … Web10 Aug 2024 · The ThCr 2 Si 2 structure ( Fig. 1A) was first reported by Ban and Sikirica in ( 12 ), and since then, it has proven to be one of the most ubiquitous structural …

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WebThe compound Ba 1-x K x Zn 2 As 2 has a low-temperature phase (α-phase) crystallized in the α-BaCu 2 S 2-type structure and a high-temperature phase (β-phase) crystallized in the ThCr 2 Si 2-type structure.We successfully obtained the β-phase at room temperature as a metastable state by quenching from above the structural phase transition. Webmaterials adopt a tetragonal ThCr2Si2-type structure, where the Fe atoms form a square lattice, whereas the Se atoms are located at the apical sites of the tetrahedrons {FeSe4}; …

Web25 Nov 2024 · A theoretical investigation of ThCr2Si2-type Pd-based superconductors XPd2Ge2 (X = Ca, Sr, La, Nd) Article Nov 2024 PHYSICA C Md. Shahjahan Ali Md. Atikur … WebThe compound Ba 1–x K x Zn 2 As 2 has a low-temperature phase (α-phase) crystallized in the α-BaCu 2 S 2 -type structure and a high-temperature phase (β-phase) crystallized in the ThCr 2 Si 2 -type structure. We successfully obtained the β-phase at room temperature as a metastable state by quenching from above the structural phase transition.

Web1 Apr 1978 · The crystal structure of EuCo 2 P 2 (ThCr 2 Si 2 -type) was refined from single-crystal counter data to a conventional R value of 0.047 for 210 unique structure factors. … Web6 Feb 2009 · BaFe2As2 is the parent compound of the '122' iron arsenide superconductors and crystallizes with the tetragonal ThCr2Si2 type structure, space group I4/mmm. A spin density wave transition at 140 K is accompanied by a symmetry reduction to space group Fmmm and simultaneously by antiferromagnetic ordering. Hole-doping induces …

Web28 May 2011 · Structural, Electronic Properties and Fermi Surface of ThCr2Si2-Type Tetragonal KFe2S2, KFe2Se2, and KFe2Te2 Phases as Parent Systems of New Ternary …

Web1 Apr 1978 · While in most silicides with ThCr 2 Si 2 -type structure, the Si atoms form pairs, the P atoms in EuCo 2 P 2 are isolated from each other. Thus in an extreme ionic formulation, the compound can be rationalized as Eu 2+ Co 2+2 P 3−2. Bonding in these and the Zintl compounds is briefly discussed. how does fsa rollover workWeb1 Aug 1985 · The "ThCr2Siz type" has to be rejected, since the R is 12.4%. We have also computed neutron intensities for URh2Ge2 assuming CaBe2Ge2 type structure and compared them with those ones published by us previously [1] . The R factor for this model is 5.6% as compared to R = 5.4% obtained for the "ThCr2Si2 type" structure proposed in [1]. how does fsa work when you change jobsThis work provides a brief review of the crystal structure, compositional scope, … photo frames free onlineWeb12 Dec 2011 · Here a ThCr2Si2-type block is sandwiched between two CaBe2Ge2-type blocks along the c-axis, as reported, but likely with a monoclinic distortion. The chi data of all these compounds are diamagnetic and reveal nearly T-independent anisotropic behavior. photo frames free online editingWeb1 Aug 2002 · At 4.2 K full magnetic hyperfine field splitting with a field of 26.4 (4) T is detected. The already known compounds Ca M2 Ge 2 ( M: Mn–Zn) also crystallize in the … how does fsa work for daycareWeb20 Aug 2014 · The structural properties and electrical resistivity of homogeneous mixed-valent EuNi2P2 are studied at pressures up to 45 GPa. No structural phase transition is observed in the whole pressure range and the overall pressure behavior of the structural parameters is similar to that of related compounds in the collapsed tetragonal ThCr2Si2 … photo frames for wallsWebWe have discovered bulk superconductivity at T{c}=38 K in (Ba1-xKx)Fe2As2 with x approximately 0.4. The parent compound BaFe2As2 crystallizes in the tetragonal … photo frames free standing