Enhanced exchange bias in magnetron-sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Barman, Rahul; Singh, Sushil K.; Kaur, Davinder

doi:10.1016/j.cap.2014.09.024

Cited by 11 publications

(5 citation statements)

References 31 publications

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“…In a similar manner, in FH curve reverse martisitic transformation was observed followed by A S = 305 K and A f = 348 K. Although, FH curve in S1 film do not retrace the FC curve but show hysteresis, indicating the presence of first-order structural transition in S1 thin film [22]. However, with increasing Al content in Ni-Mn-Sb-Al films, these martensitic transformation temperatures are get shifted towards lower temperature, which is in good agreement with our previously reported study [23]. The shift of martensitic transformation could be explained in terms of e/a ratio due to Al addition into the Ni-Mn-Sb alloy.…”

Section: A N U S C R I P Tsupporting

confidence: 94%

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Improved magnetocaloric effect in magnetron sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Barman

Kaur

2015

Vacuum

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Section: A N U S C R I P Tsupporting

confidence: 94%

“…Ni-Mn-Sb alloys gets affected by Al addition [23]. This is one of the reasons for decrease of magnetization in Ni-Mn-Sb-Al thin films with Al contents.…”

Section: Al This Mn-mn Distance Inmentioning

confidence: 98%

Improved magnetocaloric effect in magnetron sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Barman

Kaur

2015

Vacuum

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“…As a new member of this family, the Ni-Mn-Sb system has demonstrated multiple functionalities under an actuating magnetic field, such as the shape-memory effect (SME) (Yu et al, 2014), the magnetocaloric effect (MCE) (Nayak et al, 2009;Akkera et al, 2015;Barman & Kaur, 2015), giant magnetoresistance (GMR) (Khan et al, 2013;Sahoo et al, 2013) and exchange bias (EB) (Sharma Akkera et al, 2013;Lee et al, 2013;Barman et al, 2014). These materials have thus been considered as potential candidates for magnetic shapememory, magnetic refrigerant and magnetic recording applications.…”

Section: Introductionmentioning

confidence: 99%

Crystallographic features of the martensitic transformation and their impact on variant organization in the intermetallic compound Ni₅₀Mn₃₈Sb₁₂studied by SEM/EBSD

Zhang

Esling

et al. 2017

Int Union Crystallogr J

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The mechanical and magnetic properties of Ni-Mn-Sb intermetallic compounds are closely related to the martensitic transformation and martensite variant organization. However, studies of these issues are very limited. Thus, a thorough crystallographic investigation of the martensitic transformation orientation relationship (OR), the transformation deformation and their impact on the variant organization of an Ni 50 Mn 38 Sb 12 alloy using scanning electron microscopy/electron backscatter diffraction (SEM/EBSD) was conducted in this work. It is shown that the martensite variants are hierarchically organized into plates, each possessing four distinct twin-related variants, and the plates into plate colonies, each containing four distinct plates delimited by compatible and incompatible plate interfaces. Such a characteristic organization is produced by the martensitic transformation. It is revealed that the transformation obeys the Pitsch relation ({011} A // {221} M and h011i A // h122i M ; the subscripts A and M refer to austenite and martensite, respectively). The type I twinning plane K 1 of the intra-plate variants and the compatible plate interface plane correspond to the respective orientation relationship planes {011} A and {011} A of austenite. The three {011} A planes possessed by each pair of compatible plates, one corresponding to the compatible plate interface and the other two to the variants in the two plates, are interrelated by 60 and belong to a single h111i A axis zone. The {011} A planes representing the two pairs of compatible plates in each plate colony belong to two h111i A axis zones having one {011} A plane in common. This common plane defines the compatible plate interfaces of the two pairs of plates. The transformation strains to form the variants in the compatible plates are compatible and demonstrate an edge-to-edge character. Thus, such plates should nucleate and grow simultaneously. On the other hand, the strains to form the variants in the incompatible plates are incompatible, so they nucleate and grow separately until they meet during the transformation. The results of the present work provide comprehensive information on the martensitic transformation of Ni-Mn-Sb intermetallic compounds and its impact on martensite variant organization.

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“…On the other hand, investigating the magnetocaloric effect and associated materials at nanoscale is still a novel effort. Very recently, we have reported on the growth and exchange bias effect of Ni-Mn-Sb/CrN heterostructures and Ni-Mn-Sb-Al thin films [27,28]. Hence, in the present study, we investigated the influence of Al doping on magnetic and magnetocaloric properties of Ni-Mn-Sb FSMA thin films in detail.…”

Section: Introductionmentioning

confidence: 97%

Martensitic phase transformations and magnetocaloric effect in Al co-sputtered Ni–Mn–Sb alloy thin films

Akkera

Choudhary

Kaur

2015

Materials Science and Engineering: B

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Enhanced exchange bias in magnetron-sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Cited by 11 publications

References 31 publications

Improved magnetocaloric effect in magnetron sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Improved magnetocaloric effect in magnetron sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Crystallographic features of the martensitic transformation and their impact on variant organization in the intermetallic compound Ni₅₀Mn₃₈Sb₁₂studied by SEM/EBSD

Martensitic phase transformations and magnetocaloric effect in Al co-sputtered Ni–Mn–Sb alloy thin films

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Enhanced exchange bias in magnetron-sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Cited by 11 publications

References 31 publications

Improved magnetocaloric effect in magnetron sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Improved magnetocaloric effect in magnetron sputtered Ni–Mn–Sb–Al ferromagnetic shape memory alloy thin films

Crystallographic features of the martensitic transformation and their impact on variant organization in the intermetallic compound Ni50Mn38Sb12studied by SEM/EBSD

Martensitic phase transformations and magnetocaloric effect in Al co-sputtered Ni–Mn–Sb alloy thin films

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Crystallographic features of the martensitic transformation and their impact on variant organization in the intermetallic compound Ni₅₀Mn₃₈Sb₁₂studied by SEM/EBSD