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Magnetic materials with high mobilities are intriguing subject of research from both fundamental and application perspectives. Based on first-principle calculations, we investigate the physical properties of the already synthesized AMnBi(A…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 Ziming Zhu , Chunyan Liao , Si Li , Xiaoming Zhang , Weikang Wu , Zhi-Ming Yu , Rui Yu , Wei Zhang , Shengyuan A. Yang

Fe pnictides and related materials have been a topic of intense research for understanding the complex interplay between magnetism and superconductivity. Here we report on the magnetic structure of SrMn$_{2}$As$_{2}$ that crystallizes in a…

Strongly Correlated Electrons · Physics 2016-12-13 Pinaki Das , N. S. Sangeetha , Abhishek Pandey , Zackery A. Benson , T. W. Heitmann , D. C. Johnston , A. I. Goldman , A. Kreyssig

The crystal and magnetic structures of AlFe2B2 have been studied with a combination of X-ray and neutron diffraction and electronic structure calculations. The magnetic and magnetocaloric properties have been investigated by magnetisation…

Susceptibility, specific heat, and muon spin rotation measurements on high-quality single crystals of $\rm Na_{0.82}CoO_2$ have revealed bulk antiferromagnetism with N\'{e}el temperature $\rm T_N = 19.8 \pm 0.1$ K and an ordered moment…

Strongly Correlated Electrons · Physics 2009-11-10 S. Bayrakci , C. Bernhard , D. P. Chen , B. Keimer , R. K. Kremer , P. Lemmens , C. T. Lin , C. Niedermayer , J. Strempfer

Crystallographic, electronic transport, thermal and magnetic properties are reported for SrMn2As2 and CaMn2As2 single crystals grown using Sn flux. Rietveld refinements of powder x-ray diffraction data show that the two compounds are…

Strongly Correlated Electrons · Physics 2016-12-13 N. S. Sangeetha , Abhishek Pandey , Zackery A. Benson , D. C. Johnston

Crystals of SrMn2Sb2 and BaMn2Sb2 were grown using Sn flux and characterized by powder and single-crystal x-ray diffraction, respectively, and by single-crystal electrical resistivity rho, heat capacity Cp, and magnetic susceptibility chi…

Strongly Correlated Electrons · Physics 2018-01-10 N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. Johnston

Single crystals of SrMn2P2 and CaMn2P2 were grown using Sn flux and characterized by single-crystal x-ray diffraction, electrical resistivity rho, heat capacity Cp, and magnetic susceptibility chi = M/H measurements versus temperature T and…

Strongly Correlated Electrons · Physics 2021-11-01 N. S. Sangeetha , Santanu Pakhira , Q. -P. Ding , H. -C. Lee , V. Smetana , A. -V. Mudring , Y. Furukawa , D. C. Johnston

Neutron diffraction measurements have been performed on a powder sample of BaMn2As2 over the temperature T range from 10 K to 675 K. These measurements demonstrate that this compound exhibits collinear antiferromagnetic ordering below the…

Superconductivity · Physics 2010-11-17 Yogesh Singh , M. A. Green , Q. Huang , A. Kreyssig , R. J. McQueeney , D. C. Johnston , A. I. Goldman

Single crystals of EuCu2As2 and EuCu2Sb2 were grown from CuAs and CuSb self-flux, respectively. The crystallographic, magnetic, thermal and electronic transport properties of the single crystals were investigated by room-temperature x-ray…

Strongly Correlated Electrons · Physics 2015-06-09 V. K. Anand , D. C. Johnston

The trigonal compound EuMg2Bi2 has recently been discussed in terms of its topological band properties. These are intertwined with its magnetic properties. Here detailed studies of the magnetic, thermal, and electronic transport properties…

Strongly Correlated Electrons · Physics 2020-07-01 Santanu Pakhira , M. A. Tanatar , D. C. Johnston

Layered transition-metal compounds have received great attention owing to their novel physical properties. Here, we present the structural, electronic, thermal, and magnetic properties of BaMn2Sb2 and Ba2Mn3Sb2O2 single crystals, both with…

Strongly Correlated Electrons · Physics 2019-05-22 Qiang Zhang , Zhenyu Diao , Huibo Cao , Ahmad Saleheen , Ramakanta Chapai , Dongliang Gong , Shane Stadler , R. Jin

Long range antiferromagnetic (AFM) ordering of Ni spins in Ni2NbBO6 has been studied with single crystal from spin susceptibility measurement and comparedwith the ab initio calculation results consistently. Below TN = 23.5 K, the S = 1…

Strongly Correlated Electrons · Physics 2015-01-22 G. Narsinga Rao , Viveka Nand Singh , R. Sankar , I. Panneer Muthuselvam , Guang-Yu Guo , F. C. Chou

Eu-based Zintl-phase materials EuA$_2$Pn$_2$ (A = Mg, In, Cd, Zn; Pn = Bi, Sb, As, P) have generated significant recent interest owing to the complex interplay of magnetism and band topology. Here, we investigated the electronic, magnetic,…

Strongly Correlated Electrons · Physics 2022-07-27 Santanu Pakhira , Farhan Islam , Evan O'Leary , M. A. Tanatar , Thomas Heitmann , R. Prozorov , Adam Kaminski , David Vaknin , D. C. Johnston

Magnetization, nuclear magnetic resonance, high-resolution x-ray diffraction and magnetic field-dependent neutron diffraction measurements reveal a novel magnetic ground state of Ba{0.60}K{0.40}Mn2As2 in which itinerant ferromagnetism (FM)…

Metallic antiferromagnets are essential for efficient spintronic applications due to their fast switching and high mobility, yet room-temperature metallic antiferromagnets are rare. Here, we investigate YbMn$_2$Ge$_2$, a room temperature…

Materials Science · Physics 2025-09-17 Nirmalya Jana , Atasi Chakraborty , Anamitra Mukherjee , Amit Agarwal

Single crystals of La2Ni7 have been grown out of a binary, La-Ni melt. Temperature dependent, zero magnetic field, specific heat, electrical resistivity, and low field magnetization measurements indicate that there is a series of…

Strongly Correlated Electrons · Physics 2022-01-26 Raquel A. Ribeiro , Sergey L. Bud'ko , Li Xiang , Dominic H. Ryan , Paul C. Canfield

The intersection between nonsymmorphic symmetry and electronic correlations has emerged as a platform for topological Kondo semimetallic states and unconventional spin textures. Here we report the synthesis of nonsymmorphic…

Strongly Correlated Electrons · Physics 2024-12-17 Sanu Mishra , Caitlin S. Kengle , Joe D. Thompson , Allen O. Scheie , Sean. M. Thomas , Filip Ronning , Priscila F. S. Rosa

We study the antiferromagnetic (AFM) and structural phase transitions in single crystal $BaFe_2(As_{1-x}P_x)_2$ $(x=0, 0.3)$ at temperatures $T_N$ and $T_S$, respectively, by high resolution ac microcalorimetry and SQUID magnetometry. The…

The ordered tetragonal intermetallic Cr$_2$Al forms the same structure type as Mn$_2$Au, and the latter has been heavily investigated for its potential in antiferromagnetic spintronics due to its degenerate in-plane N\'{e}el vector. We…

Materials Science · Physics 2022-01-20 Chengxi Zhao , Kisung Kang , Joerg C. Neuefeind , Andre Schleife , Daniel P. Shoemaker

We report on the crystal and magnetic structures, magnetic, and transport properties of SrMnSb$_2$ single crystals grown by the self-flux method. Magnetic susceptibility measurements reveal an antiferromagnetic (AFM) transition at $T_{\rm…

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