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Related papers: Structural and Magnetic Properties of Co1-xFexSr2Y…

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We study the structural and magnetic properties of La$_{0.7}$Sr$_{0.3}$Mn$_{1-x}$Co$_x$O$_3$ ($0 \leq x \leq 1$). Rietveld refinement of X-ray Diffraction (XRD) pattern suggests phase purity of the polycrystalline samples with R$\bar{3}$c…

Materials Science · Physics 2016-01-11 Ashutosh Kumar , Himanshu Sharma , C. V. Tomy , Ajay D. Thakur

We have investigated the magnetic and dielectric properties of $A_2$CoSi$_2$O$_7$ ($A$=Ca, Sr, and Ba) crystals with a two-dimensional network of CoO$_4$ and SiO$_4$ tetrahedra connected with each other through the corners. In…

Strongly Correlated Electrons · Physics 2009-11-13 M. Akaki , J. Tozawa , D. Akahoshi , H. Kuwahara

We describe the local structural properties of the iron oxychalcogenides, La$_2$O$_2$Fe$_2$O$M_2$ ($M$ = S, Se), by using pair distribution function (PDF) analysis applied to total scattering data. Our results of neutron powder diffraction…

Strongly Correlated Electrons · Physics 2021-08-11 B. Karki , A. Alfailakawi , Benjamin A. Frandsen , M. S. Everett , J. C. Neuefeind , Binjie Xu , Hangdong Wang , Minghu Fang , B. Freelon

We studied the structural and magnetic properties of the solid solution Fe$_{1-x}$Ni$_{x}$B through theoretical and experimental approaches. Powder X-ray diffraction, X-ray Pair Distribution Function analysis, and energy dispersive X-ray…

The effects of replacing small amounts of Co with Fe in NdCoAsO are reported. Polycrystalline materials with compositions NdCo1-xFexAsO (x = 0.05, 0.10, 0.15, and 0.20) are studied and the results compared to previous reports for NdCoAsO.…

Strongly Correlated Electrons · Physics 2015-05-19 Michael A. McGuire , Athena S. Sefat , Brian C. Sales , David Mandrus

We report the structural and magnetic behavior of single phase inverse Heusler alloys Cr$_2$Co$_{(1-x)}$Cr$_x$Al ($x = $ 0, 0.2, 0.4) using x-ray diffraction (XRD), Raman spectroscopy, isothermal magnetization, and magnetic susceptibility…

Materials Science · Physics 2020-08-19 Manisha Srivastava , Guru Dutt Gupt , Priyanka Nehla , Anita Dhaka , R. S. Dhaka

The synthesis, structure, and basic magnetic properties of Na2Co2TeO6 and Na3Co2SbO6 are reported. The crystal structures were determined by neutron powder diffraction. Na2Co2TeO6 has a two-layer hexagonal structure (space group P6322)…

Materials Science · Physics 2022-04-26 L. Viciu , Q. Huang , E. Morosan , H. W. Zandbergen , N. I. Greenbaum , T. McQueen , R. J. Cava

We report a structural transition found in Ca10(Ir4As8)(Fe2-xIrxAs2)5, which exhibits superconductivity at 16 K. The c-axis parameter is doubled below a structural transition temperature of approximately 100 K, while the tetragonal symmetry…

We report the systematic study of structural, magnetic and electrical transport properties of $Y_{2-x}Bi_xIr_2O_7$ (x = 0.0, 0.1, 0.2, 0.3) pyrochlore iridates. The chemical doping enhances electrical conductivity and antiferromagnetic…

Materials Science · Physics 2020-01-08 Vinod Kumar Dwivedi , Soumik Mukhopadhyay

The weak itinerant magnetic properties of $A_2$Ni$_7$ compounds with $A$ = {Y, La} have been investigated using electronic band structure calculations in the relation with their polymorphic crystal structures. These compounds crystallizes…

Materials Science · Physics 2020-01-08 Jean-Claude Crivello , Valérie Paul-Boncour

Two-dimensional materials and their heterostructures have opened up new possibilities for magnetism at the nanoscale. In this study, we utilize first-principles simulations to investigate the structural, electronic, and magnetic properties…

Materials Science · Physics 2022-10-11 Diem Thi-Xuan Dang , Ranjan Kumar Barik , Manh-Huong Phan , Lilia M. Woods

We report structural, magnetic, transport and thermal properties of single-crystal Ca2Ru1-xIrxO4 (0 < x< 0.65). Ca2RuO4 is a structurally-driven Mott insulator with a metal-insulator transition at TMI = 357 K, which is well separated from…

Strongly Correlated Electrons · Physics 2016-04-26 S. J. Yuan , J. Terzic , J. C. Wang , S. Aswartham , W. H. Song , F. Ye , G. Cao

Co10Ge3O16 crystallizes in an intergrowth structure featuring alternating layers of spinel and rock salt. Variable-temperature powder synchrotron X-ray and neutron diffraction, magnetometry, and heat capacity experiments reveal a…

Materials Science · Physics 2013-07-12 Phillip T. Barton , Ram Seshadri , Anna Llobet , Matthew R. Suchomel

We studied the crystal and magnetic structure of the La$_{1-x}$Ca$_{x}$MnO$_{3}$ compound for $(0.11\leq x\leq 0.175)$ using stoichiometric samples. For $x<0.13$ the system's ground state is insulating canted antiferromagnetic. For $0.13\le…

Strongly Correlated Electrons · Physics 2009-11-11 M. Pissas , I. Margiolaki , G. Papavassiliou , D. Stamopoulos , D. Argyriou

We have performed structural analyses on iron-based superconductors, PrFeAsO$_{1-y}$ and PrFeAsO$_{1-x}$F$_x$, systematically, by means of Rietveld method on neutron powder diffraction data. The shifts of iron ion valence from +2, $\delta$,…

In the present paper electronic, magnetic, and structural properties of a novel system FeZnMo$_3$O$_8$ with a polar crystal structure are investigated using GGA+U calculations. It is shown that Fe ions preferably occupy octahedral and Zn…

Materials Science · Physics 2019-10-18 S. V. Streltsov , D. -J. Huang , I. V. Solovyev , D. I. Khomskii

Single crystals of Ba(Fe_(1-x)Mn_x)_2As_2, 0<x<0.148, have been grown and characterized by structural, magnetic, electrical transport and thermopower measurements. Although growths of single crystals of Ba(Fe_(1-x)Mn_x)_2As_2 for the full…

Superconductivity · Physics 2015-05-30 A. Thaler , H. Hodovanets , M. S. Torikachvili , S. Ran , A. Kracher , W. Straszheim , J. Q. Yan , E. Mun , P. C. Canfield

We report extensive measurements on a new compound (Yb0.24Sn0.76)Ru that crystallizes in the cubic CsCl structure. Valence band photoemission and L3 x-ray absorption show no divalent component in the 4f configuration of Yb. Inelastic…

A new cage-structured compound - HfMn$_{2}$Zn$_{20}$ - belonging to the AB$_{2}$C$_{20}$ (A, B = transition or rare earth metals, and C = Al, Zn, or Cd) family of structures has been synthesized via the self-flux method. The new compound…

Materials Science · Physics 2024-04-03 Nusrat Yasmin , Md Fahel Bin Noor , Tiglet Besara

The crystal structures of the Sr1-xCaxRuO3 perovskites are investigated using both long range and local structural probes. High resolution synchrotron powder X-ray diffraction characterization at ambient temperature shows that the materials…

Materials Science · Physics 2020-03-25 Loi T. Nguyen , Milinda Abeykoon , Jing Tao , Saul Lapidus , R. J. Cava