Sample temperature and the magnetocaloric effect
Field-driven structural phase transition and sign- switching magnetocaloric effect in Ni–Mn–Sn
... The temperature dependence of the magnetization was mea- sured with a vibration sample magnetometer and an alternat- ing gradient force magnetometer in the range from 150 to 520 ...adiabatic ...
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REVIEW ON MAGNETIC REFRIGERATION AT ROOM TEMPERATURE USING MAGNETOCALORIC EFFECT
... and effect of external magnetic field on certain materials. This effect is also known as the magnetocaloric effect, and it is the cornerstone of magnetic ...Giant Magnetocaloric ...
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Influence of the starting temperature of calorimetric measurements on the accuracy of determined magnetocaloric effect
... initial temperature for which the approximated magnetocaloric curves are the same as those when the integration is performed close to zero ...initial temperature differ from the zero kelvin data in a ...
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Magnetocaloric effect of gadolinium in high magnetic fields
... the sample, both on rising and falling field; as a result, the temperature after the pulse would have been higher than the starting temperature, T 0 ...the temperature always returned to its ...
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Crystallography, anisotropic metamagnetism, and magnetocaloric effect in Tb5Si2.2Ge1.8
... and magnetocaloric effect in Tb 5 Si ...the temperature dependencies of the inverse magnetic susceptibility along three main crystal- lographic directions in ...The magnetocaloric ...
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Magnetostructural transition and magnetocaloric effect in Ni55Mn20Ga25 single crystals
... with temperature-induced 共24 J kg −1 K −1 兲, stress-induced 共22 J kg −1 K −1 兲 and field- induced transformations 共24–29 J kg −1 K −1 using the Clausius-Clapeyron equation and a proper ⌬M ...the temperature ...
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Enhancement of magnetocaloric effect in the Gd2Al phase by Co alloying
... 2 Department of Electrical and Computer Engineering, Iowa State University, Ames, Iowa 50011, USA 3 Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, USA (Received 28 July 2014; accepted 19 October 2014; ...
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Magnetocaloric effect and thermal transport management in lanthanum manganites
... room temperature, other new challenges have arisen from a more engineering point of view since cooling proto- types are now being ...required temperature gradient is rendered impossible to main- ...the ...
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Magnetocaloric effect in an Antidot : The effect of the Aharonov-Bohm flux and antidot radius
... by measuring the magnetocaloric effect. 44 Figure 1. Pictorial representation of an antidot, with an electron trapped in a ring structure subjected to an uniform magnetic field, plus an Aharonov-Bohm flux ...
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Magnetostructural phase transitions and magnetocaloric effect in (Gd5-xScx)Si1.8Ge2.2
... strong magnetocaloric effect can be achieved in Gd 5 Si 2 Ge 2 -based alloys for magnetic field changes on the order of 50 ...transition temperature, it is clear that the T C limit is not fully ...
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Influence of the materials magnetic state on the accurate determination of the magnetocaloric effect
... the magnetocaloric effect (MCE) in different first order magnetic transition (FOMT) materials with different situation of the magnetic state (magnetic ...demagnetization effect related to the ...
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Peculiarities of Magnetocaloric Effect in Manganites Connected with Magnetic Heterogeneous State
... Using a direct method, we studied the MCE in La1– xSrxMnO3, Sm0.55Sr0.45MnO3, andPrBaMn2O6 com- pounds, which represent three manganite classes, namely, La1 – xAxMnO3 (A = Ca, Sr, Ba), Sm0.5 + xS0.5 – xMnO3 (0.05 ≤ x ≤ ...
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Best practices in evaluation of the magnetocaloric effect from bulk magnetization measurements
... 2 sample was prepared as reported elsewhere [13]. The sample was then cut into a rectangular prism with approximate dimensions of ...vibrating sample magnetometer ...the sample with respect to ...
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Magnetocaloric effect in GdCoxAl2−x system for (0.15 ≤ x ≤ 1) compositions
... Even though the alloys consist of two ferrimagnetic phases, a single magnetic transition has been observed. T C s of the alloys with x ¼ 0.48, 0.54, and 0.60 were determined to be 77 K. Near the transition temperatures, ...
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Magnetocaloric effect and magnetic refrigeration in La0.7Ca0.15Sr0.15Mn1-xGaxO3 (0 ≤ x ≤ 0.1)
... and magnetocaloric effect (MCE) properties for La ...The temperature dependence of the magnetization M(T) reveals a decrease of M with increasing Ga ...Curie temperature T C ...large ...
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Table-like magnetocaloric effect in Gd56Ni15Al27Zr2 alloy and its field independence feature
... the temperature dependence of the magnetic entropy change for the Gd 56 Ni 15 Al 27 Zr 2 alloy at DH ¼ 50 kOe calculated from the magnetization isotherm measurements using Maxwell’s ...the temperature range ...
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Influence of Minor Addition of Cr on the Magnetocaloric Effect in Fe Based Metallic Ribbons
... the sample is ...0 sample and the rest ones is in good agreement with the basic empirical rules of Inoue for the formation of amorphous alloys: 27) with the addition of Cr in the system, the number of ...
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Fluctuating local moments, itinerant electrons, and the magnetocaloric effect : compositional hypersensitivity of FeRh
... (iii) crucially the extremely narrow compositional range for the first-order transition and its dependence on material preparation route. In particular we show why very small variations away from complete B2 order and ...
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Critical Parameters and Magnetocaloric Effect of the La5/8Ca3/8Mn0 9750Pd0 025O3 Compound
... low temperature does not seems to reflect the chemical disorder but seems due to the disorder in ...the sample is not ...transition temperature, of cause, is not shown from the shape of the curves ...
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Anisotropic magnetocaloric response in AlFe2B2
... the magnetocaloric response of the intermetallic layered AlFe 2 B 2 compound along the principle axes of the orthorhombic cell were carried out using aligned plate-like crystallites with an anisotropic [101] ...
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