Growth and magnetic anisotropy of Fe films deposited on Si(111) using an ultrathin iron silicide template

Garreau, G.; Hajjar, S.; Bubendorff, Jean-Luc; Pirri, Candido Fabrizio; Berling, Dominique; Mehdaoui, A.; Stephan, Régis; Wetzel, P.; Zabrocki, Stephan; Gewinner, G.; Boukari, S.; Beaurepaire, E.

doi:10.1103/physrevb.71.094430

Cited by 54 publications

(58 citation statements)

References 73 publications

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“…This behaviour is in qualitative agreement with the recent report of the growth of single, thin Fe films deposited on (111)-oriented Si substrate covered by thin iron silicide layer [4]. According to that paper, for a nominal thickness of 1 ML the Fe islands cover less than 20% of the sample surface, these islands start to coalesce around 3.5 ML, and for a coverage larger than 5 ML, all the Fe islands percolate to cover the entire surface.…”

Section: Discussionsupporting

confidence: 81%

“…According to that paper, for a nominal thickness of 1 ML the Fe islands cover less than 20% of the sample surface, these islands start to coalesce around 3.5 ML, and for a coverage larger than 5 ML, all the Fe islands percolate to cover the entire surface. The RMS roughness value, reported in [4], increased from about 5Å to about 10Å for the Fe thickness range corresponding to the present studies. Moreover, onset of the long-range ferromagnetic order determined in the same paper by the magnetization Kerr loops collected in polar and longitudinal geometries, occurred at 4.7 ML Fe coverage.…”

Section: Discussionmentioning

confidence: 64%

“…Moreover, due to an additional interlayer exchange coupling mechanism (which does not exist for single Fe layers reported in [4]), analyzed by us, Fe/Si multilayers could exhibit the ferromagnetic properties for thinner Fe layers.…”

Section: Discussionmentioning

confidence: 99%

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Optical Studies of Non-Magnetic Spacer in Thin Fe/Si Multilayers

et al. 2005

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Structures containing magnetic metallic layers attract a lot of attention because of their possible applications in the area of spintronics. The hybrid structures compatible with the Si crystal lattice parameter are of special interest. In this work the short-period Fe/Si multilayers were grown by the sputtering onto (001)-oriented Si substrate and investigated by various techniques. After the deposition, all multilayers were characterized by atomic force microscopy. The goal of the present paper was to determine the chemical composition of thin layer created at the interface in Fe/Si multilayers due to the Fe diffusion into Si, as well as to analyze the phenomena, which take place in this area. The results of the optical characterization by the Raman scattering were correlated with the magnetic properties of investigated structures (determined by means of the Kerr rotation).

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Section: Discussionsupporting

confidence: 81%

Section: Discussionmentioning

confidence: 64%

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Optical Studies of Non-Magnetic Spacer in Thin Fe/Si Multilayers

et al. 2005

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“…Since the first observation of SRT by Gradmann and Müller [182], a large number of related experimental investigations, such as Fe/Cu(100) [183,184], Fe/Cu/Si(111) [185], Fe/Cu(001) [186,187], Fe/Ag(001) [97,188], Fe/Cr(110) [167], Fe/Si(111) [189], and Co/Au(111) [190,191], Co/Pd(111) [192], Co/Pt(111) [192], Co/W(110) [193] thin films showing the polar SRT, m m , and Ni/Cu(001) [194,195] exhibiting the reversed polar SRT m m with increasing T and D, where m and m denote the perpendicular and in-plane magnetic directions. Calculations based on the mean-field and perturbation theory [196,197] have described successfully this SRT.…”

Section: When Films Have the Same Two Surfaces Or Interfaces Eq (46mentioning

confidence: 99%

Size Dependence of Structures and Properties of Magnetic Materials

Jiang¹,

Lang²

2007

TONANOJ

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Due to the involvement of high portion of atomic coordination imperfection in surfaces and interfaces, the properties of magnetic nanocrystals dramatically differ from that of the corresponding bulk counterparts, which have led to a surge in both experimental and theoretical investigations in the past decades. This review summarizes the studies for these size-dependent magnetic properties, and additional thermal or phase stabilities, and mechanical properties. To interpret the above phenomena, a thermodynamic model for the size dependence and interface dependences of these properties is described, which is based on Lindemann s criterion for melting, Mott s expression for the vibrational melting entropy, and Shi s model for the size-dependent melting temperature. The model without any adjustable parameter is confirmed by a large number of experimental results, and helps us to understand the structures and properties of the magnetic nanocrystals. Moreover, other theoretical works on the above properties are also mentioned and commented.

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“…The ferromagnetic behavior of ultrathin iron films on Si substrates has been extensively studied for the magnetic device's applications [1][2][3][4][5][6][7][8][9][10][11][12][13]. Substantial intermixing, however, occurs at the Fe/Si interface even at room temperature (RT) due to high reactivity of Si.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Magnetic Dead Layer on Iron Silicide Surfaces

Kibria

Nomitsu

Nakagawa

et al. 2018

e-J. Surf. Sci. Nanotech.

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We report the magnetic dead layer at the interfaces between Fe and Si(111) surfaces. We prepared two ultrathin iron-silicides, c(8×4) prepared at 900 K and p(2×2) at 700 K, and clean reconstructed 7×7 surface for the silicon templates. By using magneto-optical Kerr effect, we found that at room temperature the ferromagnetic order appears at 5.5 ML, 8.2 ML, and 10.9 ML for Fe/c(8×4) silicide, Fe/p(2×2) silicide, and Fe/Si(111)-7×7 surface, respectively. From the thickness dependent magnetization measurements, we decided the magnetic dead layer for Fe/c(8×4) silicide, Fe/p(2×2) silicide, and Fe/Si(111)-7×7 to be 3.0 ML, 5.0 ML, and 7.5 ML, respectively. Our results indicate that the c(8×4) iron silicide surface prevents further silicide formation more effectively than the p(2×2) silicide and Si(111)-7×7 surface.

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Growth and magnetic anisotropy of Fe films deposited on Si(111) using an ultrathin iron silicide template

Cited by 54 publications

References 73 publications

Optical Studies of Non-Magnetic Spacer in Thin Fe/Si Multilayers

Optical Studies of Non-Magnetic Spacer in Thin Fe/Si Multilayers

Size Dependence of Structures and Properties of Magnetic Materials

Investigation of Magnetic Dead Layer on Iron Silicide Surfaces

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