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HoNiSi$_{3}$ is an intermetallic compound characterized by two successive antiferromagnetic transitions at $T_{N1} = 6.3$ K and $T_{N2} = 10.4$ K. Here, its zero-field microscopic magnetic structure is inferred from resonant x-ray magnetic…

We have used spherical neutron polarimetry to investigate the magnetic structure of the Mn spins in the hexagonal semimetal Mn$_3$Ge, which exhibits a large intrinsic anomalous Hall effect. Our analysis of the polarimetric data finds a…

Strongly Correlated Electrons · Physics 2020-04-30 J. -R. Soh , F. de Juan , N. Qureshi , H. Jacobsen , H. -Y. Wang , Y. -F. Guo , A. T. Boothroyd

The magnetic properties and phase diagrams of the mixed spin Ising model, with spins S=1 and {\sigma}=1/2 on a centered rectangular structure, have been investigated using Monte Carlo simulations based on the Metropolis algorithm. Every…

Statistical Mechanics · Physics 2022-09-21 Maen Gharaibeh , Rama Abu Haifa , Abdalla Obeidat , Mohammad H. A. Badarneh , M. K Qaseer

The emergence of the field of spintronics brought half-metallic ferromagnets to the center of scientific research. A lot of interest was focused on newly created transition-metal pnictides (such as CrAs) and chalcogenides (such as CrTe) in…

Materials Science · Physics 2009-11-11 Ph. Mavropoulos , I. Galanakis

The structural, optical and magnetic properties of the Zn1-xMnxO (0 < x < 0.05) thin films synthesized by sol-gel technique have been analyzed in the light of modification of the electronic structure and disorder developed in the samples…

Materials Science · Physics 2015-06-11 R. Karmakar , S. K. Neogi , Aritra Banerjee , S. Bandyopadhyay

The single layered manganite Pr$_{0.22}$Sr$_{1.78}$MnO$_4$ undergoes structural transition from high temperature tetragonal phase to low temperature orthorhombic phase below room temperature. The orthorhombic phase was reported to have two…

Strongly Correlated Electrons · Physics 2012-04-25 S. Chattopadhyay , S. Giri , S. Majumdar

The effect of electron doping on the structural, transport, and magnetic properties of Mn (IV) - rich Ca1-xYxMnO3 (x < 0.2) samples have been investigated using neutron diffraction, neutron depolarization, magnetization and resistivity…

Materials Science · Physics 2016-02-09 Neetika Sharma , A. Das , C. L. Prajapat , Amit Kumar , M. R. Singh

Electronic structure calculations were carried out on the compound GdBaCo$_2$O$_{5.5}$. The electronic structure variation with a change in the spin state of the Co$^{3+}$ ion in an octahedral environment has been studied. All the…

Strongly Correlated Electrons · Physics 2009-11-11 V. Pardo , D. Baldomir

Layered chromium tellurides are model systems for studying low-dimensional magnetism in van der Waals materials. We report the synthesis and characterization of K$_{1-x}$CrTe$_2$ single crystals ($x \approx 0.3$), which crystallize in the…

The MnAs compound shows a first-order transition at T$_C\approx42$ C, and a second-order transition at T$_t\approx120$ C. The first-order transition, with structural (hexagonal-orthorhombic), magnetic (FM-PM) and electrical conductivity…

Materials Science · Physics 2014-02-04 J. N. Gonçalves , V. S. Amaral , J. G. Correia , A. M. L. Lopes

First principles density functional calculations for Fe$_{2}$O$_{3}$ has been performed over a wide range of pressures. The ground state is corundum-type hematite and is an antiferromagnetic insulator. This is in good agreement with…

Materials Science · Physics 2009-03-13 Dipta Bhanu Ghosh , Stefano de Gironcoli

Magnetic cooling has the potential to replace conventional gas compression refrigeration. Materials such as La(Fe,Si)$_{13}$ exhibit a sizeable first-order magnetocaloric effect, and it is possible to tailor the phase transition towards…

A model of diluted random field sustained by quenched volume deformations is shown to reproduce puzzling physical features found in X(CN)_{x}Y_{1-x} mixed cyanide crystals. X is an alkali metal (K, Na or Rb) and Y is a spherical halogen ion…

Disordered Systems and Neural Networks · Physics 2015-06-25 Serge Galam

Exploring the physics of low-dimensional spin systems and their pressure-driven electronic and magnetic transitions are thriving research field in modern condensed matter physics. In this context, recently antiferromagnetic Cr-based…

Strongly Correlated Electrons · Physics 2024-01-02 Kuldeep Kargeti , Aadit Sen , S. K. Panda

Density functional theory calculations have been performed for the structural, electronic, magnetic and ferroelectric properties of a mixed-valence Fe(II)-Fe(III) formate framework [NH$_2$(CH$_3$)$_2$][Fe$^{\rm III}$Fe$^{\rm II}$(HCOO)$_6$]…

Materials Science · Physics 2019-10-15 Gang Tang , Wei Ren , Jiawang Hong , Alessandro Stroppa

The structural and electronic properties of Rutherfordium, the newest group IV B element, have been evaluated by first principles density functional theory in scalar relativistic formalism with and without spin-orbit coupling and compared…

Materials Science · Physics 2011-06-17 Jyoti Gyanchandani , S. K. Sikka

In this research paper, we investigated the structural, electronic, and magnetic features of titanium atom substituting calciumatom in rock salt structure of CaS to explore the new dilute magnetic semiconductor compounds. The calculations…

Materials Science · Physics 2022-02-16 Meryem Ziati , Hamid Ez-Zahraouy

MnAu$_{2}$ is a spin-spiral material with in-plane ferromagnetic Mn layers that form a screw-type pattern around a tetragonal $c$ axis. The spiral angle $\theta$ was shown using neutron diffraction experiments to decrease with pressure, and…

Materials Science · Physics 2016-05-11 J. K. Glasbrenner

We present the first ab initio density functional theory study of the oxygen-terminated Cr2O3 (0001) surface within the local spin-density approximation (LSDA). We find that spin plays a critical role for even the most basic properties of…

Materials Science · Physics 2007-05-23 J. A. Cline , A. A. Rigos , T. A. Arias

First-principles-based materials screening is systematically performed to discover new combinations of chemical elements possibly making shape-memory alloys (SMAs). The B2, D03, and L21 crystal structures are considered as the parent…

Materials Science · Physics 2017-12-15 Joohwi Lee , Yuji Ikeda , Isao Tanaka