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Related papers: Magnetic structure of CuCrO2: a single crystal neu…

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We have grown a YCrO$_3$ single crystal by the floating-zone method and studied its temperature-dependent crystalline structure and magnetization by X-ray powder diffraction and PPMS DynaCool measurements. All diffraction patterns were well…

Strongly Correlated Electrons · Physics 2024-03-08 Qian Zhao , Yinghao Zhu , Si Wu , Junchao Xia , Pengfei Zhou , Kaitong Sun , Hai-Feng Li

Multiferroicity in LiCu2O2 single crystals is studied using resonant soft x-ray magnetic scattering, hard x-ray diffraction, heat capacity, magnetic susceptibility, and electrical polarization. Two magnetic transitions are found at 24.6 K…

In this study we examine the phase transitions in single crystals of [(CH3)2NH2]Co(HCOO)3], using magnetization and specific heat measurements as a function of temperature and magnetic field. Magnetisation measurements indicate a transition…

Materials Science · Physics 2015-01-28 K. Vinod , C. S. Deepak , Shilpam Sharma , D. Sornadurai , C. S. Sundar , A. Bharathi

RuO$_2$ was considered for a long time to be a paramagnetic metal with an ideal rutile-type structure down to low temperatures, but recent studies on single-crystals claimed evidence for antiferromagnetic order and some symmetry breaking in…

Neutron diffraction and nuclear quadrupole resonance (NQR) measurements were employed to investigate magnetic order in the non-ferroelectric phase preceding the low-temperature multiferroic state in FeTe2O5Br. Refnement of the neutron…

Strongly Correlated Electrons · Physics 2013-04-10 M. Pregelj , P. Jeglič , A. Zorko , O. Zaharko , T. Apih , A. Gradišek , M. Komelj , H. Berger , D. Arčon

We report neutron diffraction and magnetization studies of the magnetic order in multiferroic BiFeO3. In ferroelectric monodomain single crystals, there are three magnetic cycloidal domains with propagation vectors equivalent by…

Strongly Correlated Electrons · Physics 2015-05-27 M. Ramazanoglu , W. Ratcliff , Y. J. Choi , Seongsu Lee , S-W. Cheong , V. Kiryukhin

Neutron diffraction measurements of a high quality single crystal of CaFe2As2 are reported. A sharp transition was observed between the high temperature tetragonal and low temperature orthorhombic structures at TS = 172.5K (on cooling) and…

The high magnetic field behaviour of the triangular lattice antiferromagnet CuFeO_2 is studied using single crystal neutron diffraction measurements in a field of up to 14.5 T and also by magnetisation measurements in a field of up to 12 T.…

Strongly Correlated Electrons · Physics 2009-10-31 O. A. Petrenko , G. Balakrishnan , M. R. Lees , D. McK Paul , A. Hoser

The bulk magnetic properties of the new quasi-one-dimensional Heisenberg antiferromagnet, CuCrO$_4$, were characterized by magnetic susceptibility, heat capacity, optical spectroscopy, EPR and dielectric capacitance measurements and density…

Strongly Correlated Electrons · Physics 2015-05-28 J. M. Law , P. Reuvekamp , R. Glaum , C. Lee , J. Kang , M. -H. Whangbo , R. K. Kremer

The magnetic properties of RMn2O5 multiferrroics as obtained by unpolarized and polarized neutron diffraction experiments are reviewed. We discuss the qualitative features of the magnetic phase diagram both in zero magnetic field and in…

Materials Science · Physics 2009-11-13 P. G. Radaelli , L. C. Chapon

We report on neutron diffraction, thermal expansion, magnetostriction, dielectric, and specific heat measurements on polycrystalline FeCr2S4 in external magnetic fields. The ferrimagnetic ordering temperatures $T_{\mathrm{C}}\approx 170$ K…

We have investigated the structural and magnetic transitions in CsCoO$_2$ using calorimetric measurements, neutron powder diffraction (NPD), density functional theory (DFT) calculations and muon-spin relaxation ($\mu$SR) measurements.…

Strongly Correlated Electrons · Physics 2015-06-23 N. Z. Ali , R. C. Williams , F. Xiao , S. J. Clark , T. Lancaster , S. J. Blundell , D. V. Sheptyakov , M. Jansen

We report a detailed single crystal investigation of a magnetoelectric ferrimagnet Cu2OSeO3 using dc magnetization and ac susceptibility along the three principal directions [100], [110] and [111]. We have observed that in small magnetic…

Materials Science · Physics 2012-05-24 I. Živković , D. Pajić , T. Ivek , H. Berger

The structural and magnetic properties of Ge0.5Mn0.5Co2O4 (GMCO) have been investigated in detail utilizing neutron powder diffraction (NPD), x-ray diffraction (XRD), DC magnetometry, and heat capacity analysis and compared with GeCo2O4.…

Strongly Correlated Electrons · Physics 2024-07-02 Pooja Jain , Benny Schundelmier , Chin-Wei Wang , Poonam Yadav , Kaya Wei , N. P. Lalla , Shivani Sharma

Neutron diffraction measurements on a single crystal of CeGe1.76 reveal a complex series of magnetic transitions at low temperature. At T_N = 7 K, there is a transition from a paramagnetic state at higher temperature to an incommensurate…

Strongly Correlated Electrons · Physics 2014-11-03 W. T. Jayasekara , W. Tian , H. Hodovanets , P. C. Canfield , S. L. Bud'ko , A. Kreyssig , A. I. Goldman

Magnetization measurements and time-of-flight neutron powder-diffraction studies on the high-temperature (300--980 K) magnetism and crystal structure (321--1200 K) of a pulverized YCrO$_3$ single crystal have been performed.…

Strongly Correlated Electrons · Physics 2021-11-04 Yinghao Zhu , Si Wu , Bao Tu , Shangjian Jin , Ashfia Huq , Joerg Persson , Haoshi Gao , Defang Ouyang , Zhubing He , Dao-Xin Yao , Zikang Tang , Hai-Feng Li

Magnetic structure of tetragonal UAu$_2$Si$_2$ was investigated by single-crystal neutron diffraction experiments. Below $T_{\rm N}$ = 20 K it orders antiferromagnetically with a propagation vector of $k = (2/3, 0, 0)$ and magnetic moments…

The results of ac and dc magnetization and heat capacity measurements as a function of temperature (T = 1.8 to 300 K) are reported for a quasi-one-dimensional compound, Ca$_3$CuMnO$_6$, crystallizing in a triclinically distorted…

Strongly Correlated Electrons · Physics 2009-11-10 Kausik Sengupta , S. Rayaprol , K. K. Iyer , E. V. Sampathkumaran

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

A combination of variable-temperature neutron scattering, reverse Monte Carlo analysis and direct Monte Carlo simulation is used to characterise the emergence of magnetic order in the metal--organic framework (MOF) Tb(HCOO)$_3$ over the…

Disordered Systems and Neural Networks · Physics 2016-12-21 Daniel R. Harcombe , Philip G. Welch , Pascal Manuel , Paul J. Saines , Andrew L. Goodwin