TY - JOUR
T1 - Magnetic properties and magnetocaloric effects in (GDxDy1-x)CO2 compounds
AU - Wang, Dunhui
AU - Liu, Haidong
AU - Tang, Shaolong
AU - Yang, Sen
AU - Huang, Songling
AU - Du, Youwei
PY - 2002/5/13
Y1 - 2002/5/13
N2 - A series of (GdxDy1-x)Co2 (x = 0, 0.05, 0.1, 0.2, 0.3, 0.4 and 0.55) compounds have been prepared by arc-melting method. The X-ray diffraction (XRD) analysis reveals that all samples are in the MgCu2-type structure. The magnetization was measured by a vibrating sample magnetometer (VSM). No first-order phase transition in these compounds (x ≠ 0) is observed. With the increasing Gd content, Curie temperature (TC) increases almost linearly. The magnetic entropy changes (|ΔSM|) as a function of the temperature in magnetic field (1 T) for (GdxDy1-x)Co2 have been calculated. The origin of the magnetocaloric effect and the potential application of (GdxDY1-x)Co2 as a working material for magnetic refrigerants have also been discussed.
AB - A series of (GdxDy1-x)Co2 (x = 0, 0.05, 0.1, 0.2, 0.3, 0.4 and 0.55) compounds have been prepared by arc-melting method. The X-ray diffraction (XRD) analysis reveals that all samples are in the MgCu2-type structure. The magnetization was measured by a vibrating sample magnetometer (VSM). No first-order phase transition in these compounds (x ≠ 0) is observed. With the increasing Gd content, Curie temperature (TC) increases almost linearly. The magnetic entropy changes (|ΔSM|) as a function of the temperature in magnetic field (1 T) for (GdxDy1-x)Co2 have been calculated. The origin of the magnetocaloric effect and the potential application of (GdxDY1-x)Co2 as a working material for magnetic refrigerants have also been discussed.
KW - (Gd Dy)Co compounds
KW - First-order phase transition
KW - Magnetic entropy changes
KW - Magnetocaloric effects
KW - Second-order phase transition
UR - https://www.scopus.com/pages/publications/0037071055
U2 - 10.1016/S0375-9601(02)00159-7
DO - 10.1016/S0375-9601(02)00159-7
M3 - 文章
AN - SCOPUS:0037071055
SN - 0375-9601
VL - 297
SP - 247
EP - 252
JO - Physics Letters, Section A: General, Atomic and Solid State Physics
JF - Physics Letters, Section A: General, Atomic and Solid State Physics
IS - 3-4
ER -