Role of excess Mn for martensitic transformation in Ni2Mn1+xSn1−x: Ab initio approach

Pal, Soumyadipta; Mahadevan, Priya; Biswas, Chandan

doi:10.1063/1.4872489

Cited by 2 publications

(3 citation statements)

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“…The ab initio electronic structure calculations for Ni 2 Mn 1+x Sn 1-x were carried out using the PAW method as implemented in the VASP code within GGA for the exchange correlation functional 40 . A supercell consisting of 5  5  1 primitive cells of the L2 1 crystal structure was considered to calculate the behaviour of excess Mn substitution at Sn sites 41 . The IPES spectra were calculated using the KorringaKohn-Rostoker method 38 .…”

Section: Experimental and Theoretical Methodsmentioning

confidence: 99%

“…The Mn1 is antiferomagnetically coupled with Mn2. The martensitic phase stabilizes with orthorhombic structure (Pal et al 41 ; figure 1). …”

Section: Electronic Structurementioning

confidence: 99%

“…31,33 . The antiferromagnetic coupling occurs between Mn at Mn site (Mn1) and Mn at Sn (In) site (Mn2) 41 . Figure 8 shows a typical magnetization behaviour of Ni 2 Mn 1+x In 1-x .…”

Section: Magnetic Behaviourmentioning

confidence: 99%

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Properties of Magnetic Shape Memory Alloys in Martensitic Phase

Maji¹

2017

Current Science

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The Heusler alloys that exhibit reversible martensitic transition show multifunctional properties including magnetic shape memory effect. The properties of two kinds of magnetic shape memory alloys are studied, where magnetic field-induced strain is driven by two different mechanisms. The properties differ in martensitic phase with composition and thus they are studied in martensitic phase. The crystal structure (Xray diffraction), magnetic behaviour (SQUID), transport analysis (four-probe method), magneto-transport trend (up to 8 T), magnetocaloric effect (around room-temperature), electronic structure (X-ray photoelectron spectroscopy and ab initio calculation), surface characterization (ultraviolet photoelectron spectroscopy and inverse photoelectron spectroscopy) are discussed for the matensitic phase. Analysis of the properties reveals alloys with possible applicability at room temperature with low magnetic field.

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Section: Experimental and Theoretical Methodsmentioning

confidence: 99%

“…The Mn1 is antiferomagnetically coupled with Mn2. The martensitic phase stabilizes with orthorhombic structure (Pal et al 41 ; figure 1). …”

Section: Electronic Structurementioning

confidence: 99%