Structural and Magnetic Properties of Amorphous Tb-Dy-Fe-Co Thin Films

Basumatary, Himalay; Jeyaramane, Arout Chelvane; Kamat, S.V.; Ranjan, Rajeev

doi:10.1007/s10948-015-3360-7

Cited by 6 publications

(4 citation statements)

References 17 publications

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“…One can notice here, that the presence of more Gd-like domains slightly reduce the K u values. A similar observation is also reported that K u values of Gdcontaining films are lower than the Tb-containing films [4].…”

Section: Resultssupporting

confidence: 80%

“…It is reported that Gd-Fe system shows a weak PMA with well periodic stripe domains whereas, GdTb-Fe brings high PMA in the system with irregular and patched like domains. Gd-FeCo system shows a weak perpendicular anisotropy than the Tb-FeCo system [4]. It is also reported that the presence of Tb in the system makes more disorder in the microscopic domain formations [2,21,22].…”

Section: Introductionmentioning

confidence: 98%

“…For a few decades, enhancement of data storage in the magnetic media and thermal stabilities could not be improved due to more space acquisitions of in-plane magnetization and low Curie temperature. However, these difficulties are better resolved by the use of perpendicular magnetic anisotropy (PMA) material system [4,5]. One such PMA system could be consisting of rare earth and transitional metal (RE-TM) elements.…”

Section: Introductionmentioning

confidence: 99%

“…In RE-TM PMA systems viz. Gd-Fe [2], Tb-Fe [3], Gd-FeCo [20], Tb-FeCo [5], and DyTb-FeCo [4] are extensively explored based on the tuning of structural-, magnetic-, microscopic-, and transport-properties. However, a few articles are addressed on GdTb-FeCo system which dealt with an enhancement of magnetic properties by placing a non-magnetic under-layer, magneto-optical properties, and thermal instabilities [1,6,9].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Role of film thickness and disorder in tuning perpendicular magnetic anisotropy in GdTb-FeCo alloy films

Sahoo¹,

Chelvane²,

Mohanty³

2021

Phys. Scr.

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GdTb-FeCo based quaternary system of various thicknesses (30, 50, 75, 150, and 300 nm) is explored in pursuit of tuneable perpendicular magnetic anisotropy (PMA). Spin reorientation and strong PMA is evident at higher film thickness. A variety of microscopic domains can be referred to as disorder in domains, have been observed. Gd-like and Tb-like contributing domains are observed in various films. A critical thickness is observed at 150 nm, where most of the Tb-sublattices are dominated over the Gd-sublattices. Magnetic parameters do not follow the trend at 150 nm, which could be attributed to a lesser extent of pinning sites impeded to domain wall motions. The experimental finding is complemented with 3D micromagnetic simulations.

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Section: Resultssupporting

confidence: 80%