TITLE

Magnetostructural coupling and magnetocaloric effect in Ni–Mn–In

AUTHOR(S)
Li, B.; Ren, W. J.; Zhang, Q.; Lv, X. K.; Liu, X. G.; Meng, H.; Li, J.; Li, D.; Zhang, Z. D.
PUB. DATE
October 2009
SOURCE
Applied Physics Letters;10/26/2009, Vol. 95 Issue 17, p172506
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Magnetic-field-induced martensitic phase transition and the concomitant change of volume are investigated in Ni–Mn–In alloy. A well-defined linear relationship is found between the quantity characterizing magnetic degree of freedom and the thermal expansion on behalf of structural degree of freedom, which demonstrates the magnetostructural coupling. Within the exchange-inversion model, such a linear relationship is theoretically derived and the magnetostructural correlation is elucidated. The lattice-entropy change contributes about one half of the total entropy change, suggesting that the magnetostructural coupling plays an important role in the magnetocaloric effect of Ni–Mn–In alloy.
ACCESSION #
44909849

 

Related Articles

  • Thermal expansion of NiMnGa alloy. Musabirov, I.; Mulyukov, Kh.; Koledov, V.; Shavrov, V. // Technical Physics;Mar2011, Vol. 56 Issue 3, p423 

    The temperature dependence of the thermal expansion of polycrystalline NiMnGa alloy samples is studied in the as-cast state and after homogenizing annealing. A sample in which twins are mainly oriented normal to the sample length shortens jumpwise during the martensitic transformation. A sample...

  • Temperature- and magnetic-field-induced phase transitions in Fe-rich FePt alloys. Rong, Chuan-Bing; Liu, J. Ping // Applied Physics Letters;5/28/2007, Vol. 90 Issue 22, p222504 

    Structural and magnetic properties of the FexPt100-x (x=78–88) alloys have been investigated. It is found that for all of the investigated compositions, a phase transition occurs from the disordered γ phase to the ordered α phase during cooling, while a reverse process takes place...

  • Effect of a magnetic field on the thermal expansion of Ni2.08Mn0.96Ga0.96 alloys. Mulyukov, Kh.; Musabirov, I. // Technical Physics;Jun2008, Vol. 53 Issue 6, p802 

    The effect of a magnetic field on the temperature dependence of thermal expansion of Ni2.08Mn0.96Ga0.96 alloy in the range of structural-phase transformation is investigated. It is found that, when the sample is cooled in a magnetic field with an intensity of 110 kA/m, it shortens by 0.21% more...

  • Specific heat and magnetic properties of Nd[sub 0.5]Sr[sub 0.5]MnO[sub 3] and R[sub 0.5]Ca[sub 0.5]MnO[sub 3] (R=Nd, Sm, Dy, and Ho). López, J.; Lima, O. F.De // Journal of Applied Physics;10/1/2003, Vol. 94 Issue 7, p4395 

    Magnetization and specific heat measurements of Nd[sub 0.5]Sr[sub 0.5]MnO[sub 3], Nd[sub 0.5]Ca[sub 0.5]MnO[sub 3], Sm[sub 0.5]Ca[sub 0.5]MnO[sub 3], Dy[sub 0.5]Ca[sub 0.5]MnO[sub 3], and Ho[sub 0.5]Ca[sub 0.5]MnO[sub 3] samples were performed. Near the charge ordering (CO) and ferromagnetic...

  • Measurement of the lattice plane strain and phase fraction evolution during heating and cooling in shape memory NiTi. Qiu, S.; Krishnan, V. B.; Padula II, S. A.; Noebe, R. D.; Brown, D. W.; Clausen, B.; Vaidyanathan, R. // Applied Physics Letters;10/5/2009, Vol. 95 Issue 14, p141906 

    We report on in situ neutron diffraction measurements during heating and cooling through the phase transformation in shape memory NiTi. The lattice plane specific strain evolution remains linear with temperature and is not influenced by intergranular stresses, enabling the determination of the...

  • Experimental study of the magnetic phase transition in the MnSi itinerant helimagnet. Stishov, S. M.; Petrova, A. E.; Khasanov, S.; Panova, G. Kh.; Shikov, A. A.; Lashley, J. C.; Wu, D. Wu; Lograsso, T. A. // Journal of Experimental & Theoretical Physics;May2008, Vol. 106 Issue 5, p888 

    Magnetic susceptibility, heat capacity, thermal expansion, and resistivity of a high-quality single crystal of MnSi were carefully studied at ambient pressure. The calculated change in magnetic entropy in the temperature range 0–30 K is less than 0.1 R, a low value that emphasizes the...

  • Magnetoresistance and magnetocaloric effect at a structural phase transition from a paramagnetic martensitic state to a paramagnetic austenitic state in Ni50Mn36.5In13.5 Heusler alloys. Pathak, Arjun K.; Dubenko, Igor; Pueblo, Christopher; Stadler, Shane; Ali, Naushad // Applied Physics Letters;4/26/2010, Vol. 96 Issue 17, p172503 

    It is established, using magnetization measurements, that Ni50Mn36.5In13.5 is in a paramagnetic state (PS) above and below the martensitic transition temperature (TM). Magnetoresistance (MR) and magnetic entropy changes (ΔSM) in the vicinity of TM were studied. MR and ΔSM at TM were...

  • Large magnetoresistance in Ni50Mn34In16 alloy. Sharma, V. K.; Chattopadhyay, M. K.; Shaeb, K. H. B.; Chouhan, Anil; Roy, S. B. // Applied Physics Letters;11/27/2006, Vol. 89 Issue 22, p222509 

    The authors report the observation of large magnetoresistance in Ni50Mn34In16 alloy. This alloy undergoes an austenite-martensite phase transformation which can be strongly affected by the applied magnetic field. This latter effect produces very large magnetoresistance at relatively high...

  • Tunable polymer multi-shape memory effect. Tao Xie // Nature;3/11/2010, Vol. 464 Issue 7286, p267 

    Shape memory polymers are materials that can memorize temporary shapes and revert to their permanent shape upon exposure to an external stimulus such as heat, light, moisture or magnetic field. Such properties have enabled a variety of applications including deployable space structures,...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

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

Try another library?
Sign out of this library

Other Topics