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Related papers: Designed Metamagnetism in CoMnGe_{1-x}P_{x}

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Metallic ferromagnetism is in general an intermediate to strong coupling phenomenon. Since there do not exist systematic analytic methods to investigate such types of problems, the microscopic origin of metallic ferromagnetism is still not…

Strongly Correlated Electrons · Physics 2009-10-31 D. Vollhardt , N. Blümer , K. Held , M. Kollar , J. Schlipf , M. Ulmke , J. Wahle

With a goal to produce giant magnetic moment in Mn$_{13}$ cluster which will be useful for practical applications, we have considered the structure and magnetic properties of pure Mn$_{13}$ cluster and substitutionally doped it with X = Ti,…

Mesoscale and Nanoscale Physics · Physics 2011-06-07 Soumendu Datta , Mukul Kabir , Abhijit Mookerjee , Tanusri Saha-Dasgupta

Magneto-optical Kerr effect hysteresis loops at various wavelengths in the visible/near-infrared range have been used to characterize the magnetic properties of alloys obtained by implanting Mn ions at fixed energy in a Ge matrix. The…

Materials Science · Physics 2015-06-25 F. D'Orazio , F. Lucari , M. Passacantando , L. Ottaviano , A. Verna , G. Impellizzeri , F. Priolo

Using a combination of single-crystal neutron scattering and reverse Monte Carlo refinements, we study the magnetic structure of paramagnetic MnO at a temperature (160\,K) substantially below the Curie-Weiss temperature…

Proximity effects not only complement the conventional methods of designing materials, but also enable realizing properties that are not present in any constituent region of the considered heterostructure. Here we reveal an unexplored…

Materials Science · Physics 2026-03-17 Ziye Zhu , Richang Huang , Xianzhang Chen , Zhou Cui , Xunkai Duan , Jiayong Zhang , Igor Zutic , Tong Zhou

The electronic structure, magnetism and phase stability of Pt2-xMn1+xGa(x=0, 0.25, 0.5, 0.75, 1) alloys are studied by first-principle calculations. The calculations reveal that a potential magnetic martensitic transformation can be…

Materials Science · Physics 2015-03-03 L. Feng , E. K. Liu , W. X. Zhang , W. H. Wang , G. H. Wu

Altermagnets are a new class of magnetic materials characterized by fully compensated spins arranged in alternating local structures, allowing for spin-split bands similar to those found in ferromagnets without net magnetism. Recently, MnTe…

Electronic structure calculations are used to examine the magnetic properties of Fe$_2$P-based alloys and the mechanisms through which the Curie temperature and magnetocrystalline anisotropy can be optimized for specific applications. It is…

Materials Science · Physics 2017-10-18 I. A. Zhuravlev , V. P. Antropov , A. Vishina , M. van Schilfgaarde , K. D. Belashchenko

Results of magnetization and neutron diffraction measurements of the manganese vanadate system Mn$_5$(VO$_4$)$_2$(OH)$_4$ are reported. The crystal structure of this compound contains triangular [Mn$_3$O$_{13}$] building blocks that produce…

Strongly Correlated Electrons · Physics 2018-09-07 V. O. Garlea , M. A. McGuire , L. D. Sanjeewa , D. M. Pajerowski , F. Ye , J. W. Kolis

From a general model of the Mn oxides R_{1-x}A_{x}MnO_3, we derive an effective Hamiltonian in the low-energy subspace using the projection operator method, in which a novel coupling between the spin and orbital degrees of freedom is…

Strongly Correlated Electrons · Physics 2007-05-23 L. Sheng , C. S. Ting

While achieving high Curie temperatures (above room temperature) in diluted magnetic semiconductors remains a challenge in the case of well controlled homogeneous alloys, several systems characterized by a strongly inhomogeneous…

A narrow-gap ferromagnetic In(1-x)Mn(x)Sb semiconductor alloy was successfully grown by low-temperature molecular beam epitaxy on CdTe/GaAs hybrid substrates. Ferromagnetic order in In(1-x)Mn(x)Sb was unambiguously established by the…

The ``14-1-11'' phase compounds based on magnetic Mn ions and typified by Ca14MnBi11 and Ba14MnBi11 show unusual magnetic behavior, but the large number (104) of atoms in the primitive cell has precluded any previous full electronic…

Materials Science · Physics 2009-11-07 D. Sanchez-Portal , Richard M. Martin , S. M. Kauzlarich , W. E. Pickett

The compound FeMnP$_{0.50}$Si$_{0.50}$ has been studied by magnetic measurements, M\"ossbauer spectroscopy and electronic structure and total energy calculations. An unexpected high magnetic hyperfine field for Fe atoms located at the…

A new model is proposed for the strong ferromagnetism associated with partially localized orbitals in the Fe16N2 metallic system which draws substantially from models of heavy fermion metals. The basic idea is that the spatially isolated…

Materials Science · Physics 2009-09-25 Nian Ji , Xiaoqi Liu , Jian-Ping Wang

Symmetry plays a fundamental role in condensed matter. The unique entanglement between magnetic sublattices and alternating crystal environment in altermagnets provides a unique opportunity for designing magnetic space symmetry. There have…

Materials Science · Physics 2024-03-13 Zhiyuan Zhou , Xingkai Cheng , Mengli Hu , Junwei Liu , Feng Pan , Cheng Song

Alloys composed of several elements in roughly equimolar composition, often referred to as high-entropy alloys, have long been of interest for their thermodynamics and peculiar mechanical properties, and more recently for their potential…

Off-stoichiometric alloys based on Ni 2 MnIn have drawn attention due to the coupled first order magnetic and structural transformations, and the large magnetocaloric entropy associated with the transformations. Here we describe…

Materials Science · Physics 2016-01-05 Jing-Han Chen , Nickolaus M. Bruno , Ibrahim Karaman , Yujin Huang , Jianguo Li , Joseph H. Ross

For temperatures T well above the ordering temperature T*=3.0+-0.2K the magnetic properties of the metal-organic material Mn[C10H6(OH)(COO)]2x2H20 built from Mn^2+ ions and 3-hydroxy-2-naphthoic anions can be described by a S=5/2 quantum…

Subtle changes in chemical bonds may result in dramatic revolutions in magnetic properties in solid state materials. MnPt5P, a new derivative of the rare-earth-free ferromagnetic MnPt5As, was discovered and is presented in this work. MnPt5P…

Materials Science · Physics 2020-06-23 Xin Gui , Ryan A. Klein , Craig M. Brown , Weiwei Xie
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