Martensitic transformation and magnetic characteristics in Ni50Mn36Sn14-xBix Heusler alloys

Zeng, Hongtao; Jing, Chao; Zhang, Yuanlei; Qin, Ningbo; Li, Zhe; Bachaga, T.; Sun, Haodong

doi:10.1007/s00339-021-04782-5

Cited by 2 publications

(2 citation statements)

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“…Conversely, ∆M, was found to decrease in Ni 50 Mn 36 Sn 14−x Bi x , as the Bi content increased [48] while the temperature interval between T C and T M subsequently decreased. Eventually, the smallest ∆M was observed for the highest Bi ratio in [48]. Similar observations were also made for Ni 50 Mn (50−x) In x (x = 15.5 and 16), where (T A C -T M ) and ∆M were determined to be 13 K and 61 K, 17 emu g −1 and 35 emu g −1 [17], respectively.…”

Section: Resultsmentioning

confidence: 92%

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Investigation of the inverse magnetocaloric effect with the fraction method

Yuce,

Kavak,

Yildirim

et al. 2023

J. Phys.: Condens. Matter

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In this study, we examine Ni49Nb1Mn36In14 (nom. at.%) magnetic shape memory alloy (MSMA) to illustrate the inverse magnetocaloric effect using the fraction method. The magnetic entropy change, ∆S_mag, was calculated with both, the fraction method and the thermomagnetic Maxwell relation. Our results demonstrate that there exists a large magnetization difference between field-cooling and field-heating histories in Ni49Nb1Mn36In14 (nom. at.%) MSMA, which can be attributed to the pinning of lattice entropy and magnetic entropy, as it is well-known that the temperature and applied magnetic fields have an opposing effect on the total entropy change. In addition, we describe the inverse magnetocaloric effect and the contradictory roles on the total entropy change between the two stimuli via the fraction method.

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Section: Resultsmentioning

confidence: 92%

“…Moreover, ∆M increased in Ni 49 Mn 37 In 14 by adding 1 at.% Co in place of Ni [47]. Conversely, ∆M, was found to decrease in Ni 50 Mn 36 Sn 14−x Bi x , as the Bi content increased [48] while the temperature interval between T C and T M subsequently decreased. Eventually, the smallest ∆M was observed for the highest Bi ratio in [48].…”

Section: Resultsmentioning

confidence: 92%