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Related papers: 40-tesla pulsed-field cryomagnet for single crysta…

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We present temperature dependent magnetic neutron diffraction measurements on Ba(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$ for $x$ = 0.039, 0.022, and 0.021 as-grown single crystals. Our investigations probe the behavior near the magnetic…

Superconductivity · Physics 2015-06-15 D. M. Pajerowski , C. R. Rotundu , J. W. Lynn , R. J. Birgeneau

Here, we report the magneto-conductivity (up to 14Tesla and down to 5K) analysis of Bi2Te3 single-crystal. A sharp magneto-conductivity (MC) rise (inverted v-type cusp) is observed near H=0 due to the weak antilocalization (WAL) effect,…

Materials Science · Physics 2021-03-17 Yogesh Kumar , Rabia Sultana , V. P. S. Awana

BaCo2V2O8 is a nice example of a quasi-one-dimensional quantum spin system that can be described in terms of Tomonaga-Luttinger liquid physics. This is explored in the present study where the magnetic field-temperature phase diagram is…

Strongly Correlated Electrons · Physics 2015-06-11 E. Canévet , B. Grenier , M. Klanjšek , C. Berthier , M. Horvatić , V. Simonet , P. Lejay

We report the magneto-conductivity analysis of Bi2Se3 single crystal at different temperatures in a magnetic field range of 14Tesla. The single crystals are grown by the self-flux method and characterized through X-ray diffraction, Scanning…

Materials Science · Physics 2021-02-19 Yogesh Kumar , Rabia Sultana , Prince Sharma , V. P. S. Awana

We use polarised neutron diffraction to study the induced magnetization density of near optimally doped Ba(Fe0.935Co0.065)2As2 (T_C=24 K) as a function of magnetic field (1<H<9 T) and temperature (2<T<300 K). The T-dependence of the induced…

Superconductivity · Physics 2011-10-20 C. Lester , Jiun-Haw Chu , J. G. Analytis , A. Stunault , I. R. Fisher , S. M. Hayden

A magnetic coil operated at cryogenic temperatures is used to produce spatial, relative field gradients below 6 ppm/cm, stable for several hours. The apparatus is a prototype of the magnetic components for a neutron electric dipole moment…

Neutron diffraction experiments of TmFeO$_3$ single crystals were performed in the external magnetic fields. The field along $c$-axis increases temperature of spin-reorientation transition $T_{SR}$ from phase ${\Gamma}4$ to ${\Gamma}2$.…

Field-induced magnetic ordering in the structurally disordered quantum magnets Ni(Cl$_{1-x}$Br$_x$)$_2$$\cdot$4SC(NH$_2$)$_2$, $x=8$% and 13%, is studied by means of neutron diffraction. The order parameter critical exponent is found to be…

Strongly Correlated Electrons · Physics 2015-06-17 E. Wulf , D. Huvonen , J. -W. Kim , A. Paduan-Filho , E. Ressouche , S. Gvasaliya , V. Zapf , A. Zheludev

Low-temperature, high-field (H[-110] <= 7.5 T), neutron diffraction experiments on single-crystal Ce0.70Pr0.30B6 are reported. Two successive incommensurate phases are found to exist in zero field. The appearance, for H >= 4.6 T at T = 2 K,…

Strongly Correlated Electrons · Physics 2009-11-11 Jean-Michel Mignot , Masafumi Sera , Fumitoshi Iga

Results of structural neutron diffraction study, magnetization and ESR measure-ments are presented for insulating Nd0.75Ba0.25MnO3, Tc = 129 K. The crystal structure is refined in the range 4.2-300 K. The compound is found to exhibit the…

Strongly Correlated Electrons · Physics 2009-11-11 V. A. Ryzhov , A. V. Lazuta , O. P. Smirnov , I. A. Kiselev , Yu. P. Chernenkov , S. A. Borisov , I. O. Troaynchuk , D. D. Khalyavin

We present a neutron diffraction study of the magnetic structure of single crystal PrO2 under applied fields of 0-6 T. As the field is increased, changes are observed in the magnetic Bragg intensities. These changes are found to be…

Strongly Correlated Electrons · Physics 2009-11-10 C. H. Gardiner , A. T. Boothroyd , M. J. McKelvy , G. J. McIntyre , K. Prokes

We report an experimental setup for simultaneously measuring specific heat and thermal conductivity in feedback-controlled pulsed magnetic fields of 50 msec duration at cryogenic temperatures. A stabilized magnetic field pulse obtained by…

We present a single-crystal neutron diffraction study on the Shastry-Sutherland lattice system TbB$_4$ at zero magnetic field and under pulsed high magnetic fields up to 35 T applied along the crystallographic $c$ axis. While our results…

Strongly Correlated Electrons · Physics 2022-10-05 N. Qureshi , F. Bourdarot , E. Ressouche , W. Knafo , F. Iga , S. Michimura , L. -P. Regnault , F. Duc

High-temperature (T) and high-electric-field (E) effects on Pb[(Zn_{1/3} Nb_{2/3})_{0.92} Ti_{0.08}]O_3 (PZN-8%PT) were studied comprehensively by neutron diffraction in the ranges 300 <= T <= 550 K and 0 <= E <= 15 kV/cm. We have focused…

Materials Science · Physics 2009-11-07 Kenji Ohwada , Kazuma Hirota , Paul W. Rehrig , Yasuhiko Fujii , Gen Shirane

We have developed a repeating pulsed magnet system which generates magnetic fields of about 10 T in a direction transverse to an incident beam over a length of 0.8 m with a repetition rate of 0.2 Hz. Its repetition rate is by two orders of…

Instrumentation and Detectors · Physics 2016-07-26 T. Yamazaki , T. Inada , T. Namba , S. Asai , T. Kobayashi , A. Matsuo , K. Kindo , H. Nojiri

X-ray diffraction experiments were performed on polycrystalline and single-crystal specimens of Ce$_{2}$Fe$_{17}$ at temperatures between 10 K and 300 K. Below $T_{\mathrm{t}}$ = 118$\pm$2 K, additional weak superstructure reflections were…

We complete our study of pulsars' non-uniform surface temperature and of its effects on their soft X-ray thermal emission. Our previous work had shown that, due to gravitational lensing, dipolar fields cannot reproduce the strong pulsations…

Astrophysics · Physics 2009-10-28 Dany Page , Antonio Sarmiento

Magnetoelastic measurements in the piezomagnetic antiferromagnet UO$_{2}$ were performed via the fiber Bragg grating method in magnetic fields up to $150\,\mathrm{T}$ generated by a single-turn coil setup. We show that in short timescales,…

We perform a detailed modelling of the post-outburst surface emission of the low magnetic field magnetar SGR 0418+5729. The dipolar magnetic field of this source, B=6x10^12 G estimated from its spin-down rate, is in the observed range of…

High Energy Astrophysical Phenomena · Physics 2015-07-13 Sebastien Guillot , Rosalba Perna , Nanda Rea , Daniele Vigano , Jose Pons

Data on the observation of neutron bursts in the process of high-voltage discharge in the air at an average electric field strength ~ 1 MV/m and discharge current ~ 10 kA are presented. Two independent methods (CR-39 track detectors and…