Temperature dependence of coercivity behavior in iron films on silicone oil surfaces

Xu, Xiaojun; Ye, Quan‐Lin; Ye, Gao-Xiang

doi:10.1016/j.physleta.2006.09.063

Cited by 5 publications

(4 citation statements)

References 22 publications

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“…The decrease in coercivity with decreasing T for Fe 5 is possibly due to the out-of-plane orientation of magnetization which freezes at low temperatures. A similar kind of enhancement and drop of coercivity with temperature has been reported previously (Xu, 2007). The origin for the anomalous temperature dependence of the coercivity is not well understood, but some of the hints provided in that work may also apply in our case, namely the surface anisotropy and stress distribution, especially at the near-surface region.…”

Section: Figure 13supporting

confidence: 85%

Self-organization of Fe clusters on mesoporous TiO₂templates

et al. 2014

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Fe layers with thicknesses between 5 and 100 nm were sputtered on mesoporous nanostructured anatase TiO 2 templates. The morphology of these hybrid films was probed with grazing-incidence small-angle X-ray scattering and X-ray reflectivity, complemented with magnetic measurements. Three different stages of growth were found, which are characterized by different correlation lengths for each stage. The magnetic behavior correlates with the different growth regimes. At very small thicknesses the TiO 2 template is coated and a porous Fe film results, with in-plane and out-of-plane magnetization components. With increasing thickness, agglomeration of Fe occurs and the magnetization gradually turns mostly in plane. At large thicknesses, the iron grows independently of the template and the magnetization is predominantly in plane with a bulk-like characteristic. research papers J. Appl. Cryst. (2014). 47 Patrick Ziegler et al. Self-organization of Fe clusters 9 of 10

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Section: Figure 13supporting

confidence: 85%

Self-organization of Fe clusters on mesoporous TiO₂templates

et al. 2014

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“…Moreover, they discussed that the growth rate is sensitive to the liquid temperature, and the microstructure of the film mainly depends on the characteristics of the oil surface [ 170 , 172 ]. Then, they performed the deposition of a Au and a Fe thin film by thermal evaporation over silicon oil [ 269 – 272 ]. The structural and electrical properties of those films were similar to those in previous studies on Ag and Al films [ 269 – 271 ].…”

Section: Reviewmentioning

confidence: 99%

“…The structural and electrical properties of those films were similar to those in previous studies on Ag and Al films [ 269 – 271 ]. They also showed the coercivity behavior of the Fe film and its temperature dependence [ 272 ]. The observation of the Fe thin film morphology deposited by sputtering over silicon oil painted onto a frosted glass surface has been further investigated [ 130 , 141 , 273 ].…”

Section: Reviewmentioning

confidence: 99%

Sputtering onto liquids: a critical review

Sergievskaya¹,

Chauvin²,

Konstantinidis³

2022

Beilstein J. Nanotechnol.

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Sputter deposition of atoms onto liquid substrates aims at producing colloidal dispersions of small monodisperse ultrapure nanoparticles (NPs). Since sputtering onto liquids combines the advantages of the physical vapor deposition technique and classical colloidal synthesis, the review contains chapters explaining the basics of (magnetron) sputter deposition and the formation of NPs in solution. This review article covers more than 132 papers published on this topic from 1996 to September 2021 and aims at providing a critical analysis of most of the reported data; we will address the influence of the sputtering parameters (sputter power, current, voltage, sputter time, working gas pressure, and the type of sputtering plasma) and host liquid properties (composition, temperature, viscosity, and surface tension) on the NP formation as well as a detailed overview of the properties and applications of the produced NPs.

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“…Although further investigations into film deposition onto the surface of silicone oil were carried out [45][46][47][48][49][50][51][52][53][54][55][56][57][58], it was only in 1999 when an innovative study was proposed by Wagener who described a versatile process to prepare magnetic colloidal solutions by using sputtering onto liquid surfaces [41]. For the first time, it was shown that metallic colloidal NPs could be obtained by sputtering deposition onto silicone oil.…”

Section: Sputtering Of Metals Onto Liquid Substrates: the Beginningmentioning

confidence: 99%