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Related papers: Cr doped III-V nitrides: potential candidates for …

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Parameters of the energy gap and, consequently, electronic, magnetic and galvanomagnetic properties in different X$_2$YZ Heusler alloys can vary quite strongly. In particular, half-metallic ferromagnets (HMFs) and spin gapless…

We present results of a combined density functional and many-body calculations for the electronic and magnetic properties of the defect-free digital ferromagnetic heterostructures obtained by doping GaAs with Cr and Mn. While local density…

Materials Science · Physics 2016-08-14 F. Beiuşeanu , C. Horea , E. -V. Macocian , T. Jurcuţ , L. Vitos , L. Chioncel

The half-metallic half-Heusler alloy NiMnSb is a promising candidate for applications in spintronic devices due to its low magnetic damping and its rich anisotropies. Here we use ferromagnetic resonance (FMR) measurements and calculations…

The nanocrystalline Ni0.7Cu0.3AlxFe2-xO4 (x=0.00: 0.02: 0.10) is prepared through the sol-gel autocombustion route.Both XRD and Rietveld confirm the single-phase cubic spinel structure of the investigated materials.Other structural…

Materials Science · Physics 2023-04-26 N. Hasan , S. S. Nishat , S. Sadman , M. R. Shaown , M. A. Hoquee , M. Arifuzzaman , A. Kabir

Chromium-based nitrides are used in hard, resilient coatings, and show promise for thermoelectric applications due to their combination of structural, thermal, and electronic properties. Here, we investigated the electronic structures and…

An important contribution to the thermoelectric and spin-caloric transport properties in magnetic materials at elevated temperatures is the formation of a spin-disordered state due to local moment fluctuations. This effect has not been…

Materials Science · Physics 2015-06-23 Roman Kováčik , Phivos Mavropoulos , Stefan Blügel

First-principle calculations were performed within the framework of the density functional theory (DFT) using FP-LAPW method as implemented in WIEN2k code to determine the structural stability, electronic and magnetic properties of…

Materials Science · Physics 2020-03-05 M. Kadjaoud , M. Mokhtari , L. Djoudi , M. Merabet , S. Benalia , D. Rached , R. Belacel , F. Zami , F. Dahmane

We describe our theoretical formalism and computational scheme for making ab-initio calculations of the dynamic paramagnetic spin susceptibilities of metals and alloys at finite temperatures. Its basis is Time-Dependent Density Functional…

Strongly Correlated Electrons · Physics 2009-10-31 J. B. Staunton , J. Poulter , B. Ginatempo , E. Bruno , D. D. Johnson

Systematical doping studies have been carried out to search for the possible superconductivity in the transition metal doped Zr$_5$Ge$_3$ system. Superconductivity up to 5.7K is discovered in the Ru-doped Zr$_5$Ge$_{2.5}$Ru$_{0.5}$ sample.…

Superconductivity · Physics 2018-02-14 Sheng Li , Xiaoyuan Liu , Varun Anand , Bing Lv

In this paper, the structural, electronic and magnetic properties of Zinc-blende Ga1-xVxSb compounds, with x from dilute doping situation to extreme doping limiting, were systematically investigated by first-principles calculations. V atoms…

Materials Science · Physics 2020-04-06 Wenhui Wan , Shan Zhao , Chuang Wang , Yanfeng Ge , Yong Liu

The structural and magnetic properties of transition metal-doped Mn$_3$SnC are studied with an aim to understand the effect of transition metal atom on magnetostructural properties of the antiperovskite compound. The doped…

Materials Science · Physics 2020-04-03 V. N. Gaonkar , E. T. Dias , A. K. Nigam , K. R. Priolkar

We report on the electronic and optical properties of two theoretically predicted stable spinel compounds of the form ZnB2O4, where B = Ni or Cu; neither compound has been previously synthesized, so we compare them to the previously studied…

Materials Science · Physics 2015-04-28 Maria Stoica , Cynthia S. Lo

The electron spin polarization on half-metallic double-perovskites is usually conditioned to the ordered rock-salt arrangement of the transition-metal ions along the lattice. In this work, we investigate a polycrystalline sample of the…

High quality HgCr$_2$Se$_4$ single crystals have been investigated by magnetization, electron transport and Andreev reflection spectroscopy. In the ferromagnetic ground state, the saturation magnetic moment of each unit cell corresponds to…

Mesoscale and Nanoscale Physics · Physics 2015-08-25 Tong Guan , Chaojing Lin , Chongli Yang , Youguo Shi , Cong Ren , Yongqing Li , Hongming Weng , Xi Dai , Zhong Fang , Shishen Yan , Peng Xiong

First-principles calculations and a tight-binding analysis predict that the iron-pnictide BaCrFeAs2 is a promising candidate for half-metallic material with fully-compensated magnetization. The transition-metal ions Cr and Fe prefer the…

Materials Science · Physics 2010-07-20 Shu-Jun Hu , Xiao Hu

Low temperature resistivity of CMR manganites is investigated. At the ground state, conduction electrons are perfectly spin polarized, which is called half-metallic. From one-magnon scattering processes, it is discussed that the resistivity…

Strongly Correlated Electrons · Physics 2009-10-31 N. Furukawa , Y. Shimomura , T. Akimoto , Y. Moritomo

The prospect of transforming a Dirac topological semimetal (TSM) into a Weyl TSM phase, following doping by magnetic impurities, is central to TSM applications. The magnetic field from polarized $d$ levels of magnetic impurities produces a…

Materials Science · Physics 2025-09-18 H. Ness , I. Leahy , A. Rice , D. Pashov , K. Alberi , M. van Schilfgaarde

The substitution of Mn in the III-V diluted magnetic semiconductors leads to a strong electron scattering on impurities. Besides the features induced in the valence band by the hybridization with the Mn d-states, also the conduction band is…

Materials Science · Physics 2007-05-23 J. Masek , F. Maca

The discovery of superconductivity under high pressure with $T_c$ exceeding 80 K in a bilayer nickelate La$_3$Ni$_2$O$_7$ has led to a strong desire to realize similar high $T_c$ phenomena at ambient pressure. As one possible path toward…

Superconductivity · Physics 2025-02-20 Masayuki Ochi , Hirofumi Sakakibara , Hidetomo Usui , Kazuhiko Kuroki

Two-dimensional ferromagnetic (FM) half-metals are promising candidates for advanced spintronic devices with small-size and high-capacity. Motivated by recent report on controlling synthesis of FM Cr$_3$Te$_4$ nanosheet, herein, to explore…

Materials Science · Physics 2023-07-19 Qihong Wu , Rongkun Liu , Zhanjun Qiu , Dengfeng Li , Jie Li , Xiaotian Wang , Guangqian Ding