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Related papers: Magnetic ordering in EuRh2As2 studied by x-ray res…

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We have studied a nearly stoichiometric insulating Y$_{0.97(2)}$Cr$_{0.98(2)}$O$_{3.00(2)}$ single crystal by performing measurements of magnetization, heat capacity, and neutron diffraction. Albeit that the YCrO$_3$ compound behaviors like…

Strongly Correlated Electrons · Physics 2020-09-23 Yinghao Zhu , Ying Fu , Bao Tu , Tao Li , Jun Miao , Qian Zhao , Si Wu , Junchao Xia , Pengfei Zhou , Ashfia Huq , Wolfgang Schmidt , Zikang Tang , Zhubing He , Hai-Feng Li

We report the magnetic structure of room-temperature-stable, monoclinic Mn$_3$As$_2$ at 3 K and 250 K using neutron powder diffraction measurements. From magnetometry data, the Curie temperature of Mn$_3$As$_2$ was confirmed to be around…

Materials Science · Physics 2020-12-24 Manohar H Karigerasi , Bao H. Lam , Maxim Avdeev , Daniel P. Shoemaker

The results of magnetization, heat-capacity, and electrical resistivity (rho) studies of the compounds, RMAs2 (R= Pr and Sm; M= Ag, Au), crystallizing in HfCuSi2-derived structure are reported. PrAgAs2 orders antiferromagnetically at T_N= 5…

Strongly Correlated Electrons · Physics 2009-12-14 K. Mukherjee , E. V. Sampathkumaran , D. Rutzinger , Th. Doert , M. Ruck

Knowledge of magnetic symmetry is vital for exploiting nontrivial surface states of magnetic topological materials. EuIn$_{2}$As$_{2}$ is an excellent example, as it is predicted to have collinear antiferromagnetic order where the magnetic…

We study single crystals of the magnetic superconductor EuRbFe$_4$As$_4$ by magnetization, electron spin resonance (ESR), angle-resolved photoemission spectroscopy (ARPES) and electrical resistance in pulsed magnetic fields up to 630 kOe.…

We have performed a powder neutron diffraction study on CsO$_2$, where the unpaired electron with $s=1/2$ in the $\pi^*$ orbital of the O$_2^-$ ion is responsible for the magnetism. The magnetic reflections 0 $\frac{1}{2}$ 0 and 0…

Strongly Correlated Electrons · Physics 2023-09-07 Takehito Nakano , Shun Kontani , Masatoshi Hiraishi , Kaito Mita , Mizuki Miyajima , Takashi Kambe

Carrying a large, pure spin magnetic moment of 7 $\mu$bohr/atom in the half-filled 4f shell, divalent europium is an outstanding element for assembling novel magnetic devices in which a two-dimensional electron gas (2DEG) is polarized due…

Polycrystalline samples of Sr2Mn2CuAs2O2, Sr2Mn3As2O2, and Sr2Zn2MnAs2O2 were synthesized. Their temperature- and applied magnetic field-dependent structural, transport, thermal, and magnetic properties were characterized by means of x-ray…

Superconductivity · Physics 2010-11-12 R. Nath , V. O. Garlea , A. I. Goldman , D. C. Johnston

The microscopic spin-spin correlations in the 2D layered spin-1 honeycomb lattice compound Na2Ni2TeO6 have been investigated by neutron diffraction and inelastic neutron scattering. The honeycomb lattice of spin-1 Ni2+ ions, within the…

Strongly Correlated Electrons · Physics 2022-02-17 A. K. Bera , S. M. Yusuf , L. Keller , F. Yokaichiya , J. R. Stewart

Atomically thin two dimensional magnets have given rise to emergent phenomena due to magnetic exchange and spin-orbit coupling showing a great promise for realizing ultrathin device structures. In this paper, we critically examine the…

Mesoscale and Nanoscale Physics · Physics 2021-12-22 Duo Wang , Xin Chen , Biplab Sanyal

The magnetic structure of RuO2 and the Ru atomic configuration are unknown. A magnetic structure is inferred by confronting measured and calculated Bragg diffraction patterns and adjusting the latter to achieve satisfactory agreement. An…

Strongly Correlated Electrons · Physics 2023-06-22 S. W. Lovesey , D. D. Khalyavin , G. van der Laan

We have studied the atomic and magnetic structure of the dilute ferromagnetic semiconductor system (Ba,K)(Zn,Mn)$_2$As$_2$ through atomic and magnetic pair distribution function analysis of temperature-dependent x-ray and neutron total…

Colossal magnetoresistance (CMR) emerges from intertwined spin and charge degrees of freedom in the form of ferromagnetic clusters also known as trapped magnetic polarons. As a result, CMR is rarely observed in antiferromagnetic materials.…

Strongly Correlated Electrons · Physics 2022-01-25 J. C. Souza , S. M. Thomas , E. D. Bauer , J. D. Thompson , F. Ronning , P. G. Pagliuso , P. F. S. Rosa

Magnetic structures and the relationship between spin and charge-orbital orderings of an A-site ordered double-perovskite manganite SmBaMn2O6, an anticipated multiferroic material, were investigated by means of neutron diffraction. The spin…

Strongly Correlated Electrons · Physics 2021-07-14 Ryoji Kiyanagi , Shigeki Yamada , Hiroshi Aoki , Hajime Sagayama , Taketo Moyoshi , Akiko Nakao , Takahisa Arima

Neutron diffraction, polarized neutron transmission, and small angle neutron scattering have been used to investigate the crystal structure and nature of the magnetic order in a polycrystalline sample of RuSr2Eu1.2Ce0.8Cu2O10. The sample…

Superconductivity · Physics 2009-11-11 J. W. Lynn , Y. Chen , Q. Huang , S. K. Goh , G. V. M. Williams , J. L. Tallon

We use neutron powder diffraction to investigate the magnetic and crystalline structure of Cr$_2$GaN. A magnetic phase transition is identified at $T \approx 170$ K, whereas no trace of structural transition is observed down to 6 K.…

Recently Ding et al. [Phys. Rev. B 95, 184404 (2017)] reported that their nuclear magnetic resonance (NMR) study on EuCo$_2$As$_2$ successfully characterized the antiferromagnetic (AFM) propagation vector of the incommensurate helix AFM…

Strongly Correlated Electrons · Physics 2017-09-22 Nonoka Higa , Qing-Ping Ding , Mamoru Yogi , N. S. Sangeetha , Masato Hedo , Takao Nakama , Yoshichika Onuki , D. C. Johnston , Yuji Furukawa

The low-temperature antiferromagnetic state of the Sm-ions in both nonsuperconducting SmFeAsO and superconducting SmFeAsO$_{0.9}$F$_{0.1}$ single crystals was studied by magnetic torque, magnetization, and magnetoresistance measurements in…

Antiferromagnetic (AF) order of U$_{2}$Pt$_{6}$Ga$_{15}$ with the ordering temperature $T_{\rm N}$ = 26 K was investigated by resonant X-ray scattering and neutron diffraction on single crystals. This compound possesses a unique crystal…

Strongly Correlated Electrons · Physics 2024-03-26 Chihiro Tabata , Fusako Kon , Kyugo Ota , Ruo Hibino , Yuji Matsumoto , Hiroshi Amitsuka , Hironori Nakao , Yoshinori Haga , Koji Kaneko

EuCd2As2 materials have two magnetic ordering states: antiferromagnetic (AFM) and ferromagnetic (FM) when their chemical tunability is utilized. While AFM-EuCd2As2 has a nonzero magnetoelectric response due to its symmetry breaking with…