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The magnetic properties of $\alpha$-NaFeO$_2$ are studied by neutron diffraction and magnetization measurements. An ordered phase with spins aligned along the b$_hex$ axis exists at low temperatures (T < 4 K). At intermediate temperatures…

强关联电子 · 物理学 2009-02-02 T. M. McQueen , Q. Huang , J. W. Lynn , R. F. Berger , T. Klimczuk , B. G. Ueland , P. Schiffer , R. J. Cava

We report experimental and theoretical studies of magnetic and related properties of ErRuSi compound. Various experimental techniques such as neutron diffraction, magnetization, magneto-thermal, magneto-transport, optical have been used to…

强关联电子 · 物理学 2019-09-19 Sachin Gupta , A. Das , K. G. Suresh , A. Hoser , Yu. V. Knyazev , Yu. I. Kuz'min , A. V. Lukoyanov

Magnetization measurements reveal that NdCoAsO undergoes three magnetic phase transitions below room temperature. The crystal and magnetic structures of NdCoAsO have been determined by powder neutron diffraction, and the effects of the…

The Eu-based compound, EuCu2As2, crystallizing in the ThCr2Si2-type tetragonal structure, has been synthesized and its magnetic behavior has been investigated by magnetization (M), heat-capacity (C) and electrical resistivity (rho)…

强关联电子 · 物理学 2009-11-11 Kausik Sengupta , P. L. Paulose , E. V. Sampathkumaran , Th. Doert , J. P. F. Jemetio

We have studied the crystal and magnetic structures of the magnetoelectric materials RMn2O5 (R = Tb, Ho, Dy) using neutron diffraction as a function of temperature. All three materials display incommensurate antiferromagnetic ordering below…

强关联电子 · 物理学 2009-11-11 G. R. Blake , L. C. Chapon , P. G. Radaelli , S. Park , N. Hur , S-W. Cheong , J. Rodriguez-Carvajal

A detailed investigation of Ba$_2$MnGe$_2$O$_7$ was performed in its low-temperature magnetoelectric state combining neutron diffraction with magnetization measurements on single crystals. In the paramagnetic state at 10 K, polarized…

强关联电子 · 物理学 2023-03-07 A. Sazonov , H. Thoma , R. Dutta , M. Meven , A. Gukasov , R. Fittipaldi , V. Granata , T. Masuda , B. Náfrádi , V. Hutanu

We present magnetic susceptibility, heat capacity, and neutron diffraction measurements of polycrystalline Nd2Ru2O7 down to 0.4 K. Three anomalies in the magnetic susceptibility measurements at 146, 21 and 1.8 K are associated with an…

强关联电子 · 物理学 2018-07-31 S. T. Ku , Dinesh Kumar , M. R. Lees , W-T. Lee , R. Aldus , A. Studer , P. Imperia , S. Asai , T. Masuda , S. W. Chen , J. M. Chen , L. J. Chang

Complex magneto structural behaviour of rare rich intermetallic Tb$_3$Co is reported in this study. Below the 84K (T$_N$), it undergoes a first order magnetic transition 72K confirmed from specific heat and magnetization measurements.…

材料科学 · 物理学 2019-08-23 Srikanta Goswami , P. D. Babu , R. Rawat

Crystal and magnetic structures of $R_2$Ni$_2$In ($R$ = Tb and Ho) have been studied by powder neutron diffraction at low temperatures. The compounds crystallize in an orthorhombic crystal structure of the Mn$_2$AlB$_2$-type. At low…

The low temperature state of CeRu2Al10 has been studied by neutron powder diffraction and muon spin relaxation (muSR). By combining both techniques, we prove that the transition occurring below T*~27K, which has been the subject of…

We report here a comprehensive study of the AFM structures of the Eu and Mn magnetic sublattices as well as the interplay between Eu and Mn magnetism in this compound by using both polarized and non-polarized single-crystal neutron…

The magnetic ground state of double perovskite Sr2DyRuO6 has been investigated using muon spin rotation and relaxation (muSR), neutron powder diffraction (NPD) and inelastic neutron scattering (INS), in addition to heat capacity and…

We report the low-temperature properties of SrNd$_2$O$_4$, a geometrically frustrated magnet. Magnetisation and heat capacity measurements performed on polycrystalline samples indicate the appearance of a magnetically ordered state at…

强关联电子 · 物理学 2021-04-28 N. Qureshi , A. Wildes , C. Ritter , B. Fåk , S. X. M. Riberolles , M. Ciomaga Hatnean , O. A. Petrenko

Spin ices, frustrated magnetic materials analogous to common water ice, are exemplars of high frustration in three dimensions. Recent experimental studies of the low-temperature properties of the paradigmatic Dy$_2$Ti$_2$O$_7$ spin ice…

统计力学 · 物理学 2016-01-19 P. Henelius , T. Lin , M. Enjalran , Z. Hao , J. G. Rau , J. Altosaar , F. Flicker , T. Yavors'kii , M. J. P. Gingras

The orthorhombic compound NdFe$_2$Al$_{10}$ has been studied by powder and single-crystal neutron diffraction. Below $T_N$ = 3.9 K, the Nd$^{3+}$ magnetic moments order in a double-$k$ [$\mathbf{k}_1 = (0, \frac{3}{4}, 0)$, $\mathbf{k}_2 =…

强关联电子 · 物理学 2014-12-31 J. Robert , F. Damay , K. Saito , A. M. Bataille , F. Porcher , G. André , A. Gukasov , J. -M. Mignot , H. Tanida , M. Sera

We report on the thermodynamic, magnetic properties and the magnetic structure of ludwigite-type Cu2MnBO5. The specific heat, the low-field magnetization and the paramagnetic susceptibility were studied on a single crystal and combined with…

The structural and magnetic phase transitions have been studied on NdFeAsO single crystals by neutron and x-ray diffraction complemented by resistivity and specific heat measurements. Two low-temperature phase transitions have been observed…

Neutron diffraction studies have been carried out on a single crystal of oxygen-deficient perovskite NdBaCo2O5 in the temperature range of 7-370 K. There have been observed, with decreasing temperature T, two magnetic transitions…

强关联电子 · 物理学 2009-11-10 Minoru Soda , Yukio Yasui , Masafumi Ito , Satoshi Iikubo , Masatoshi Sato , Kazuhisa Kakurai

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.…

The structural, magnetic and resistive properties of (La1-yYy)FeAsO compounds (y = 0.10, 0.20, 0.30) have been investigated by means of X-ray and neutron powder diffraction as well as by resistivity measurements. The temperatures at which…

材料科学 · 物理学 2015-05-14 A. Martinelli , A. Palenzona , M. Tropeano , C. Ferdeghini , M. R. Cimberle , C. Ritter
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