Tuning the structure and magnetic softness of thin permalloy films by variations in the thickness of titanium seed layer

Svalov, A. V.; Kurlyandskaya, G.V.; Asensio, B. González; Collantes, J.M.; Larrañaga, Aitor

doi:10.1016/j.matlet.2015.03.072

Cited by 11 publications

(5 citation statements)

References 13 publications

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“…Additional variation of seed layer thickness [32] and substrate temperature will offer additional advantages when varying the properties of the FeNi films. 19 Ni 81 films were prepared by magnetron sputtering with different deposition rate.…”

Section: Discussionmentioning

confidence: 99%

Study of the effect of the deposition rate and seed layers on structure and magnetic properties of magnetron sputtered FeNi films

Svalov

Asensio

Членова

et al. 2015

Vacuum

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Section: Discussionmentioning

confidence: 99%

Study of the effect of the deposition rate and seed layers on structure and magnetic properties of magnetron sputtered FeNi films

Svalov

Asensio

Членова

et al. 2015

Vacuum

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“…Investigation of the microstructure was performed by XRD using a PHILIPS X'PERT PRO automatic diffractometer operating at 40 kV and 40 mA, in theta-theta configuration, with a secondary monochromator with Cu-K radiation ( =1.5418Å) and a PIXcel solid state detector. More details on the method are described elsewhere [6]. Hysteresis loops in both easy magnetization axis (EA) and hard magnetization one (HA) were measured in-plane of the films by Evico magnetics GmbH magneto-optical Kerr effect (MOKE) microscope using an overview mode.…”

Section: Methodsmentioning

confidence: 99%

Heat Treatment Effect On Magnetic Properties Of Finemet-Type Films

Михалицына¹,

Kataev²,

Lepalovskij³

et al. 2016

Kms

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A study of the heat treatment effect on the structure and magnetic properties of the amorphous and nanocrystalline Finemet-type thin films of the compositions Fe 73.9 Si 13.2 B 8.9 Nb 3 Cu 1 and Fe 72.5 Si 14.2 B 8.7 Nb 2 Mo 1.5 Cu 1.1 were performed by means of X-ray diffraction, magneto-optical Kerr-microscopy, and magnetic properties measurement system. The heat treatment leads to magnetic anisotropy decreasing as a result of crystallization processes, which are heavily dependent on the alloy's composition.

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“…По этой причине исследованию механизмов формирования микроструктурного строения пленок пермаллоя обеспечивающих рост значений d cr уделяется определенное внимание. Так в работах [11,12] показано, что улучшение текстуры пленок за счет напыления дополнительного слоя немагнитного материала приводит к снижению H c . В работе [13] описано как улучшение текстуры пленок FeNi за счет снижения давления рабочего газа с 1.8 • 10 −2 до 2.8 • 10 −3 mbar приводит к уменьшению H c и росту d cr с 50 до 220 nm.…”

Section: Introductionunclassified

Влияние напряжения смещения и скорости осаждения на структуру и коэрцитивность пленок NiFe

Джумалиев¹,

Высоцкий²,

Сахаров³

2020

Физика Твердого Тела

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Influence of the bias voltage Ub and the deposition rate  on the structure, grain size D, and coercivity Hc of NiFe films with the thickness d from 30 to 980 nm, grown onto Si / SiO2 substrates by DC magnetron sputtering, was studied. In the case Ub = 0, the decrease of  from ≈ nm/min to ≈ 7 nm/min is accompanied by the increase of the critical film thickness dcr from dcr ≈ 220 nm to dcr ≈ 270 nm. In this case, Hc in the films with d < dcr is characterized by the dependence Hc ~ D6 and varies from ~ 1 to ~ 20 Oe. In the case of Ub = -100 V, the effect of the deposition rate on the coercivity is much more noticeable. At ν = 7 and 14 nm / min, the films demonstrate soft magnetic properties (Нс ≈ 0.15 - 1.4 Oe) and the absence of dcr for the entire range of studied thicknesses. The films obtained at ν = 21 and 27 nm / min turn into the “supercritical” state at d ≥ dcr ≈ 520 nm, and, in the region d < dcr, they are characterized by the dependence Hc ~ D3 and by the increase of coercivity from ~ 0.35 to ~ 10 Oe.

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Tuning the structure and magnetic softness of thin permalloy films by variations in the thickness of titanium seed layer

Cited by 11 publications

References 13 publications

Study of the effect of the deposition rate and seed layers on structure and magnetic properties of magnetron sputtered FeNi films

Study of the effect of the deposition rate and seed layers on structure and magnetic properties of magnetron sputtered FeNi films

Heat Treatment Effect On Magnetic Properties Of Finemet-Type Films

Влияние напряжения смещения и скорости осаждения на структуру и коэрцитивность пленок NiFe

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