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Related papers: The Magnetic Structure of Paramagnetic MnO

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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 present a comparative study of the magnetic, transport and structural properties of $Nd_{0.5}Ca_{0.5}MnO_{3+\delta}$ [$\delta=$ 0.02(1) and 0.04(1)]. We have found significant differences between the low temperature magnetic orders and…

We performed susceptibility, magnetization, specific heat, and single crystal neutron diffraction measurements on single crystalline BaMn$_2$Si$_2$O$_7$. Based on the results, we revisited its spin structure with a more accurate solution…

Strongly Correlated Electrons · Physics 2019-07-31 G. H. Wang , C. Y. Xu , H. B. Cao , T. Hong , Q. Huang , Q. Y. Ren , J. Q. Xu , H. D. Zhou , W. D. Luo , D. Qian , J. Ma

We have performed magnetization and $^{31}$P-NMR measurements on the itinerant ferromagnet LaCoPO (Curie temperature $T_{\rm Curie}\sim 44$ K) with a layered structure in order to investigate spin dynamics in the paramagnetic state. The…

Strongly Correlated Electrons · Physics 2015-05-14 Hitoshi Sugawara , Kenji Ishida , Yusuke Nakai , Hiroshi Yanagi , Toshio Kamiya , Yoichi Kamihara , Masahiro Hirano , Hideo Hosono

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

We report the first electron paramagnetic resonance studies of single crystals and powders of Pr_{0.6}Ca_{0.4}MnO_{3} in the 300-4.2 K range, covering the charge ordering transition at ~ 240 K and antiferromagnetic transition (T_N) at ~ 170…

Strongly Correlated Electrons · Physics 2009-10-31 Rajeev Gupta , Janhavi P. Joshi , S. V. Bhat , A. K. Sood , C. N. R. Rao

The description and detection of unconventional magnetic states such as spin liquids is a recurring topic in condensed matter physics. While much of the efforts have traditionally been directed at geometrically frustrated antiferromagnets,…

Strongly Correlated Electrons · Physics 2018-05-25 L. Bovo , M. Twengström , O. A. Petrenko , T. Fennell , M. J. P. Gingras , S. T. Bramwell , P. Henelius

In thin magnetic films with strong perpendicular anisotropy and strong demagnetizing field two ordered phases are possible. At low temperatures, perpendicularly oriented magnetic domains form a striped pattern. As temperature is increased…

Materials Science · Physics 2012-12-21 M. C. Ambrose R. L. Stamps

A quasi one-dimensional compound, Ca3CuRuO6, has been synthesized by solid-state reaction method and studied using magnetization (M) and heat capacity (C) measurements. This compound undergoes magnetic ordering (T_o) around 40 K, as…

Strongly Correlated Electrons · Physics 2016-08-31 S. Rayaprol , E. V. Sampathkumaran

NiNb$_{2}$O$_{6}$ is an almost ideal realization of a 1D spin-1 ferromagnetic Heisenberg chain compound with weak unidirectional anisotropy. Using time-domain THz spectroscopy, we measure the low-energy electrodynamic response of…

Strongly Correlated Electrons · Physics 2020-01-29 Prashant Chauhan , Fahad Mahmood , Hitesh J. Changlani , S. M. Koohpayeh , N. P. Armitage

The magnetic, transport, and structural properties of (Ga,Cr)As are reported. Zincblende Ga$_{1-x}$Cr$_{x}$As was grown by low-temperature molecular beam epitaxy (MBE). At low concentrations, x$\sim$0.1, the materials exhibit unusual…

Materials Science · Physics 2009-11-07 A. Dakhama , B. Lakshmi , D. Heiman

Nuclear magnetic resonance (NMR) experiments on single crystals of HgBa$_{2}$CuO$_{4+\delta}$ are presented that identify two distinct temperature-dependent spin susceptibilities: one is due to a spin component that is temperature-dependent…

We investigated the crystal and magnetic structures of the spin-1/2 frustrated antiferromagnet Cu3Mo2O9 in which the spin system consists of antiferromagnetic chains and dimers. The space group at room temperature has been reported to be…

The magnetic ordering of the hexagonal multiferroic compound YbMnO$_3$ has been studied between 100 K and 1.5 K by combining neutron powder diffraction, $^{170}$Yb M\"ossbauer spectroscopy and magnetization measurements. The Yb moments of…

Strongly Correlated Electrons · Physics 2008-09-30 X. Fabrèges , I. Mirebeau , P. Bonville , S. Petit , G. Lebras-Jasmin , A. Forget , G. André , S. Pailhès

A magneto-structural phase transition is investigated in single crystal CrN thin films grown by rf plasma molecular beam epitaxy on MgO(001) substrates. While still within the vacuum environment following MBE growth, $\it in-situ$…

We have studied the Tb$_2$Sn$_2$O$_7$ frustrated magnet by neutron diffraction under isotropic pressure of 4.6 GPa, combined with uniaxial pressure of 0.3 GPa, in the temperature range 0.06 K$<$T$<$100 K. Magnetic order persists under…

Strongly Correlated Electrons · Physics 2015-05-13 I. Mirebeau , I. Goncharenko , H. Cao , A. Forget

SrCuTe$_2$O$_6$ consists of a 3-dimensional arrangement of spin-$\frac{1}{2}$ Cu$^{2+}$ ions. The 1st, 2nd and 3rd neighbor interactions respectively couple Cu$^{2+}$ moments into a network of isolated triangles, a highly frustrated…

Strongly Correlated Electrons · Physics 2021-01-04 S. Chillal , A. T. M. N Islam , H. Luetkens , E. Canévet , Y. Skourski , D. Khalyavin , B. Lake

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

We present single-crystal neutron diffraction measurements on multiferroic LuFe2O4 showing phase transitions at 240 and 175 K. Magnetic reflections are observed below each transition indicating that the magnetic interactions in LuFe2O4 are…

Strongly Correlated Electrons · Physics 2009-11-13 A. D. Christianson , M. D. Lumsden , M. Angst , Z. Yamani , W. Tian , R. Jin , E. A. Payzant , S. E. Nagler , B. C. Sales , D. Mandrus

The LAO/STO interface hosts a two-dimensional electron system that is unusually sensitive to the application of an in-plane magnetic field. Low-temperature experiments have revealed a giant negative magnetoresistance (dropping by 70\%),…

Mesoscale and Nanoscale Physics · Physics 2015-07-06 M. Diez , A. M. R. V. L. Monteiro , G. Mattoni , E. Cobanera , T. Hyart , E. Mulazimoglu , N. Bovenzi , C. W. J. Beenakker , A. D. Caviglia
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