(Dy[sub 0.5]Er[sub 0.5])Al[sub 2]: A large magnetocaloric effect material for low-temperature

Gschneidner Jr., K.A.; Takeya, H.; Moorman, J.O.; Pecharsky, V.K.
January 1994
Applied Physics Letters;1/10/1994, Vol. 64 Issue 2, p253
Academic Journal
Examines the low-temperature heat capacity and magnetic properties of (Dy[sub 0.5]Er[sub 0.5])Al[sub 2] alloys as a function of magnetic fields. Absence of measurable magnetic hysteresis above 17 Kelvin; Comparison of the alloy magnetocaloric effect with GdPd; Determination of the 4-K transitions using magnetic susceptibility measurements.


Related Articles

  • Strong unidirectional anisotropy in spin-density-wave (Cr+6.5%Co)[sub 1-x]V[sub x] alloys. Galkin, V. Yu.; Ortiz, W. A.; Fawcett, E. // Journal of Applied Physics;5/1/2000, Vol. 87 Issue 9, p6543 

    The magnetization, M(T), and magnetic susceptibility, χ(T) = M(T)/H, of the (Cr+6.5% Co)[sub 1-x]V[sub x] (0≤×≤5% V) spin-density-wave (SDW) alloy system, have been measured in the presence of a magnetic field, H=100 Oe–5 T, in the field-cooled and zero field-cooled...

  • Magnetocaloric properties of Ni2+xMn1-xSn Heusler alloys. Mukadam, M. D.; Bhatt, Pramod; Yusuf, S. M. // AIP Conference Proceedings;Feb2013, Vol. 1512 Issue 1, p1116 

    We have investigated the magnetocaloric properties of Ni2+xMn1-xSn (x = 0, 0.05 and 0.1) Heusler alloys by using the dc-magnetization measurement technique. A reduction in the paramagnetic to ferromagnetic transition temperature (Curie temperature, TC) has been observed with a substitution of Ni...

  • Direct measurements of the magnetocaloric effect in pulsed magnetic fields: The example of the Heusler alloy Ni50Mn35In15. Zavareh, M. Ghorbani; Mejía, C. Salazar; Nayak, A. K.; Skourski, Y.; Wosnitza, J.; Felser, C.; Nicklas, M. // Applied Physics Letters;2/11/2015, Vol. 106 Issue 7, p1 

    We have studied the magnetocaloric effect (MCE) in the shape-memory Heusler alloy Ni50Mn35In15 by direct measurements in pulsed magnetic fields up to 6 and 20 T. The results in 6 T are compared with data obtained from heat-capacity experiments. We find a saturation of the inverse MCE, related to...

  • Investigation of the influence of hydrostatic pressure on the magnetic and magnetocaloric properties of Ni2-XMn1+XGa (X = 0, 0.15) Heusler alloys. Devarajan, U.; Esakki Muthu, S.; Arumugam, S.; Singh, Sanjay; Barman, S. R. // Journal of Applied Physics;Aug2013, Vol. 114 Issue 5, p053906 

    The effect of hydrostatic pressure on the magnetic and magnetocaloric properties of Ni2-XMn1+XGa (X = 0, 0.15) Heusler alloys around the martensitic transformation temperature (TM) has been investigated. We find that magnetic field increases and decreases the characteristic transitions...

  • Magnetic and magnetocaloric properties of the alloys Mn2-xFexP0.5As0.5 (0≼x≼0.5). Gribanov, I. F.; Golovchan, A. V.; Varyukhin, D. V.; Val’kov, V. I.; Kamenev, V. I.; Sivachenko, A. P.; Sidorov, S. L.; Mityuk, V. I. // Low Temperature Physics;Oct2009, Vol. 35 Issue 10, p786 

    The results of investigations of the magnetic and magnetocaloric properties of alloys from the system Mn2-xFexP0.5As0.5 (0≼x≼0.5) are presented. The magnetization measurements are performed in the temperature interval 4.2–700 K in magnetic fields up to 8 T. The entropy changes...

  • Comparison of methods for the determination of dc-magnetic properties of laminated SiFe alloys. De Wulf, Marc; Makaveev, Dimitre; Dupré, Luc; Permiakov, Viatcheslav; Melkebeek, Jan // Journal of Applied Physics;5/15/2003, Vol. 93 Issue 10, p8543 

    A comparative study was performed of the different techniques for determination of dc-magnetic properties of laminated SiFe alloys. Three characterization methods are considered: (1) the point-by-point method (PbPM) for the construction of magnetization loops; (2) the slow time-varying...

  • Structure and magnetic properties of Sm(Co[sub 1-x]Zr[sub x])[sub y] alloys (x=0.03–0.05,y=12–15) and melt-spun Sm(Co,Fe,Zr,Cu,Ga,B)[sub 12] material. Huang, M. Q.; Turqut, Z.; Chu, S. Y.; Horwath, J. C.; Fingers, R. T.; Smith, B. R.; Chen, Z. M.; Ma, B. M. // Journal of Applied Physics;5/15/2003, Vol. 93 Issue 10, p7972 

    Alloys with nominal compositions of Sm(Co[SUB1-x]Zr[SUBx])[SUBy] (x=0.03- 0.05, y=12- 15) were synthesized by arc melting and characterized in the temperature range of 10-1473 K and with a magnetic field up to 5 T. Near-single-phase materials with Th[SUB2]Ni[SUB17] structure were formed in the...

  • Enhanced soft magnetic properties in magnetic field annealed amorphous Fe(Co)-Zr-B alloys. Mishra, Debabrata; Saravanan, P.; Perumal, A.; Srinivasan, A. // Journal of Applied Physics;Apr2011, Vol. 109 Issue 7, p07A306 

    We report the effects of longitudinal magnetic field annealing (MFA) on the microstructure, magnetic domain structure, and magnetic softness of Co substituted amorphous Fe89-x-yCoyBxZr11 alloys. A two-phase structure characterized by bcc Fe(Co) nanocrystals (size <15 nm) embedded in residual...

  • Modeling of Magnetic Properties of Nanocrystalline La-doped Barium Hexaferrite. Kucuk, Ilker; Sözeri, Hüseyin; Özkan, Hüsnü // Journal of Superconductivity & Novel Magnetism;May2011, Vol. 24 Issue 4, p1333 

    In this paper an artificial neural network (ANN) has been developed to compute the magnetization of the pure and La-doped barium ferrite powders synthesized in ammonium nitrate melt. The input parameters were: the Fe/Ba ratio, La content, sintering temperature, HCl washing and applied magnetic...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics