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We report neutron-diffraction results on single-crystal CaMn$_2$P$_2$ containing corrugated Mn honeycomb layers and determine its ground-state magnetic structure. The diffraction patterns consist of prominent (1/6, 1/6, $L$) reciprocal…

Polarized and unpolarized neutron diffraction studies have been carried out on single crystals of the coupled spin tetrahedra systems Cu2Te2O5X2 (X=Cl, Br). A model of the magnetic structure associated with the propagation vectors k'Cl ~…

Eu-based compounds often exhibit unusual magnetism, which is critical for nontrivial topological properties seen in materials such as EuCd2As2. We investigate the structure and physical properties of EuZn2As2 through measurements of the…

Materials Science · Physics 2022-02-15 Joanna Blawat , Madalynn Marshall , John Singleton , Erxi Feng , Huibo Cao , Weiwei Xie , Rongying Jin

We investigate the magnetic order in single crystalline EuCd$_2$Sb$_2$ thin films using a combined theoretical and experimental approach. Resonant elastic x-ray scattering experiments reveal a sharp magnetic peak at $q = (0, 0,…

We study the magnetism in NdFe$_2$Ga$_8$ by the neutron-diffraction and temperature-modulated linear {Gr\"uneisen} parameter measurements. Previous thermodynamical measurements have demonstrated that there are two magnetic transitions at 10…

Strongly Correlated Electrons · Physics 2022-02-14 Xingyu Wang , Cuixiang Wang , Bo Liu , Ke Jia , Xiaoyan Ma , Gang Li , Xiaoping Wang , Chin-Wei Wang , Youguo Shi , Yi-feng Yang , Shiliang Li

We present the results of the first neutron powder and single crystal diffraction studies of the coupled spin tetrahedra systems ${\CuTeX}$ (X=Cl, Br). Incommensurate antiferromagnetic order with the propagation vectors…

Strongly Correlated Electrons · Physics 2009-11-10 O. Zaharko , A. Daoud-Aladine , S. Streule , J. Mesot , P. -J. Brown , H. Berger

The magnetic structure and phase diagram of the layered ferromagnetic compound Fe$_3$GeTe$_2$ has been investigated by a combination of synthesis, x-ray and neutron diffraction, high resolution microscopy, and magnetization measurements.…

Strongly Correlated Electrons · Physics 2016-01-13 Andrew F. May , Stuart Calder , Claudia Cantoni , Huibo Cao , Michael A. McGuire

We report single-crystal neutron diffraction study of the magnetic structure of the multiferroic compound YbMnO$_3$, a member of the hexagonal manganite family, in zero-field and under a magnetic field applied along the $c$-axis. We propose…

Strongly Correlated Electrons · Physics 2018-11-14 S. Chattopadhyay , V. Simonet , V. Skumryev , A. A. Mukhin , V. Yu. Ivanov , M. I. Aroyo , D. Z. Dimitrov , M. Gospodinov , E. Ressouche

The complex perovskite Ba2CoTeO6 (BCTO) has been synthesised, and the crystal structure and magnetic properties have been investigated using a combination of X-ray and neutron powder diffraction, electron microscopy and dielectric,…

Materials Science · Physics 2010-12-01 S. A. Ivanov , P. Nordblad , R. Mathieu , R. Tellgren , C. Ritter

We report structural and magnetic properties studies of large high quality single-crystals of the frustrated magnet, Nd$_2$Zr$_2$O$_7$. Powder x-ray diffraction analysis confirms that Nd$_2$Zr$_2$O$_7$ adopts the pyrochlore structure.…

Strongly Correlated Electrons · Physics 2015-05-18 M. Ciomaga Hatnean , M. R. Lees , O. A. Petrenko , D. S. Keeble , G. Balakrishnan , M. J. Gutmann , V. V. Klekovkina , B. Z. Malkin

The coexistence of ferromagnetism and superconductivity in RuSr$_2$GdCu$_2$O$_8$ was reported both from experiments (by Tallon et. al.) and first-principles calculations (by Pickett et. al.). Here we report that our first-principles…

Superconductivity · Physics 2009-10-31 K. Nakamura , K. T. Park , A. J. Freeman , J. D. Jorgensen

The quasi-one-dimensional antiferromagnetic Ising-like compound BaCo2V2O8 has been shown to be describable by the Tomonaga-Luttinger liquid theory in its gapless phase induced by a magnetic field applied along the Ising axis. Above 3.9 T,…

Strongly Correlated Electrons · Physics 2015-08-11 B. Grenier , V. Simonet , B. Canals , P. Lejay , M. Klanjsek , M. Horvatic , C. Berthier

SrCo2As2 is a peculiar itinerant magnetic system that does not order magnetically, but inelastic neutron scattering experiments observe the same stripe-type antiferromagnetic (AF) fluctuations found in many of the Fe-based superconductors…

Strongly Correlated Electrons · Physics 2019-11-06 J. M. Wilde , A. Kreyssig , D. Vaknin , N. S. Sangeetha , Bing Li , W. Tian , P. P. Orth , D. C. Johnston , B. G. Ueland , R. J. McQueeney

Magnetization measurements on single-crystal cubic SrCuTe$_2$O$_6$ with an applied magnetic field of along three inequivalent high symmetry directions $[100]$, $[110]$, and $[111]$ reveal weak magnetic anisotropy. The fits of the magnetic…

Strongly Correlated Electrons · Physics 2020-10-14 P. Saeaun , Y. Zhao , P. Piyawongwatthana , T. J. Sato , F. C. Chou , M. Avdeev , G. Gitgeatpong , K. Matan

Resistivity, magnetic susceptibility, neutron scattering and x-ray crystallography measurements were used to study the evolution of magnetic order and crystallographic structure in single-crystal samples of the Ba1-xSrxFe2As2 and…

Superconductivity · Physics 2012-09-06 K. Kirshenbaum , N. P. Butch , S. R. Saha , P. Y. Zavalij , B. G. Ueland , J. W. Lynn , J. Paglione

Magnetic ordering in TbMnO3 was revisited by a neutron diffraction study. In addition to the previously reported A-type and G-type modulated structures with a propagation vector (0,q_Mn,0), we found C-type and F-type orderings of the Mn…

Strongly Correlated Electrons · Physics 2007-05-23 R. Kajimoto , H. Yoshizawa , H. Shintani , T. Kimura , Y. Tokura

We present detailed investigations in single crystals of two recently reported quaternary intermetallic compounds EuRhAl$_4$Si$_2$ and EuIrAl$_4$Si$_2$ employing magnetization, electrical resistivity in zero and applied fields, heat…

Strongly Correlated Electrons · Physics 2014-11-04 Arvind Maurya , P. Bonville , A. Thamizhavel , S. K. Dhar

We report polarized and unpolarized neutron scattering measurements of the magnetic order in single crystals of Na0.5CoO2. Our data indicate that below T_N=88 K the spins form a novel antiferromagnetic pattern within the CoO2 planes,…

Strongly Correlated Electrons · Physics 2009-11-11 G. Gasparovic , R. A. Ott , J. -H. Cho , F. C. Chou , Y. Chu , J. W. Lynn , Y. S. Lee

We report the magnetic structure of nominally 10% Cd-doped CeIrIn$_5$, CeIr(In$_{0.9}$Cd$_{0.1}$)$_5$, determined by elastic neutron scattering. Magnetic intensity was observed only at the ordering wave vector $Q_{AF} = (1/2,1/2,1/2)$,…

Strongly Correlated Electrons · Physics 2020-05-29 K. Beauvois , N. Qureshi , R. Tsunoda , Y. Hirose , R. Settai , D. Aoki , P. Rodière , A. McCollam , I. Sheikin

Neutron and x-ray powder and single crystal synchrotron diffraction of CsyFe2-xSe2 show the presence of superstructure reflections with propagation vector k=[2/5, 1/5, 1] with respect to the average crystal structure I4/mmm (a = 4, c =…