Low Energy Spin-Wave Excitation in Highly Conductive Thin Films and Surfaces

Fraítová, D.

doi:10.1007/978-94-011-5004-0_5

Cited by 13 publications

(8 citation statements)

References 78 publications

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“…The beginnings of theoretical and experimental studies of spectroscopic investigations of basic sciences are used such as physics, chemistry, especially nanosciences and nanostructures (Rodbell, 1964;Kooi, 1964;Bhagat, 1967Bhagat, , 1974Sparks, (b), 1970Sparks, (c), 1970; Rachford, 1981;Dillon, 1981;Schultz, 1983;Artman, 1957Artman, , 1979Ramesh, 1988Ramesh, (a), 1988; Fraitova, 1983Fraitova, (a), 1983Fraitova, (b), 1984Teale, 1986;Speriosu, 1987;Vounyuk, 1991;Roy, 1992;Puszkarski, 1992;Weiss, 1955). The FMR technique can provide information on the magnetization, magnetic anisotropy, dynamic exchange/dipolar energies and relaxation times, as well as the damping in the magnetization dynamics (Wigen, 1962(Wigen, , 1984(Wigen, , 1998De Wames, 1970;Wolfram, 1971;Yu, 1975;Frait, 1985Frait, , 1998Rook, 1991;Bland, 1994;Patton, 1995Patton, , 1996Skomski, 2008;Coey, 2009). This spectroscopic method/FMR have been used to magnetic properties (Celinski, 1991;Farle, 1998Farle, , 2000Fermin, 1999;Buschow, 2004;…”

Section: Introductionmentioning

confidence: 99%

“…The FMR technique can provide information on the magnetization, magnetic anisotropy, dynamic exchange/dipolar energies and relaxation times, as well as the damping in the magnetization dynamics (Wigen, 1962(Wigen, , 1984(Wigen, , 1998De Wames, 1970;Wolfram, 1971;Yu, 1975;Frait, 1985Frait, , 1998Rook, 1991;Bland, 1994;Patton, 1995Patton, , 1996Skomski, 2008;Coey, 2009). This spectroscopic method/FMR have been used to magnetic properties (Celinski, 1991;Farle, 1998Farle, , 2000Fermin, 1999;Buschow, 2004;Heinrich, 2005(a), 2005(b)), films (Özdemir, 1996, 1997), monolayers (Zakeri, 2006), ultrathin and multilayers films (Layadi, 1990(Layadi, (a), 1990(Layadi, (b), 2002(Layadi, , 2004Wigen, 1993;Zhang, 1994(a), 1994(b); Farle, 2000;Platow, 1998;Anisimov, 1999;Heinrich, 2005(a); Lacheisserie, 2005;de Cos, 2006;Liua, 2012;, the angular, the frequency (Celinski, 1997;Farle, 1998), the temperature dependence (Platow, 1998), interlayer exchange coupling (Frait, , 1998Parkin, 1990Parkin, , 1991Park...…”

Section: Introductionmentioning

confidence: 99%

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Ferromagnetic Resonance

Yaln¹

2013

Ferromagnetic Resonance - Theory and Applications

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The following information can be accessed with the help of such resonance experiments. (i) Electrical structure of point defects by looking at the absorption in a thin structure. (ii) The line width with the movement of spin or surroundings isn't changed. (iii) The distribution of the magnetic field in solid by looking at the of the resonance line position (chemical shift and etc.). (iv) Collective spin excitations. Ferromagnetic Resonance-Theory and Applications 2 The atoms of ferromagnetic coupling originate from the spins of d-electrons. The size of μ permanent atomic dipoles create spontaneously magnetized. According to the shape of dipoles materials can be ferromagnetic, antiferromagnetic, diamagnetic, paramagnetic and etc. Ferromagnetic resonance (FMR) technique was initially applied to ferromagnetic materials, all magnetic materials and unpaired electron systems. Basically, it is analogous to the electron paramagnetic resonance (EPR). The EPR technique gives better results at unpaired electron systems. The FMR technique depends on the geometry of the sample at hand. The demagnetization field is observed where the sample geometry is active. The resonance area of the sample depends on the properties of material. The FMR technique is advantageous because it does not cause damage to materials. Also, it allows a three dimensional analysis of samples. The FMR occurs at high field values while EPR occurs at low magnetic field values. Also, line-width of ferromagnetic materials is large according to paramagnetic materials. Exchange interaction energy between unpaired electron spins that contribute to the ferromagnetism causes the line narrowing. So, ferromagnetic resonance lines appear sharper than expected. The FMR studies have been increased since the EPR was discovered in

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ferromagnetic Resonance

Yaln¹

2013

Ferromagnetic Resonance - Theory and Applications

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“…Using the obtained experimental value of b , the effective spin Hall angle is calculated to be θ SH = 0.065 ± 0.014 (SI Section 8). The other values used for the calculation are GHz/T (we assume a g factor of 2.1, because for transition metal magnets g lies in the range of 2.0–2.2 ,, ), μ 0 M eff = 340 ± 10 mT, and M s = 610 ± 20 kA/m. ,, …”

Section: Resultsmentioning

confidence: 99%

Spin–Orbit Torque in Bilayers of Kagome Ferromagnet Fe₃Sn₂ and Pt

2021

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Spin−orbit torque phenomena enable efficient manipulation of the magnetization in ferromagnet/heavy metal bilayer systems for prospective magnetic memory and logic applications. Kagome magnets are of particular interest for spin− orbit torque due to the interplay of magnetic order and the nontrivial band topology (e.g., flat bands and Dirac and Weyl points). Here we demonstrate spin−orbit torque and quantify its efficiency in a bilayer system of topological kagome ferromagnet Fe 3 Sn 2 and platinum. We use two different techniques, one based on the quasistatic magneto-optic Kerr effect (MOKE) and another based on time-resolved MOKE, to quantify spin−orbit torque. Both techniques give a consistent value of the effective spin Hall angle of the Fe 3 Sn 2 /Pt system. Our work may lead to further advances in spintronics based on topological kagome magnets.

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“…The beginnings of theoretical and experimental studies of spectroscopic investigations of basic sciences are used such as physics, chemistry, especially nanosciences and nanostructures (Rodbell, 1964;Kooi, 1964;Bhagat, 1967Bhagat, , 1974Sparks, (b), 1970Sparks, (c), 1970 ;Rachford, 1981;Dillon, 1981;Schultz, 1983;Artman, 1957Artman, , 1979Ramesh, 1988Ramesh, (a), 1988 ;Fraitova, 1983Fraitova, (a), 1983Fraitova, (b), 1984Teale, 1986;Speriosu, 1987;Vounyuk, 1991;Roy, 1992;Puszkarski, 1992;Weiss, 1955). The FMR technique can provide information on the magnetization, magnetic anisotropy, dynamic exchange/dipolar energies and relaxation times, as well as the damping in the magnetization dynamics (Wigen, 1962(Wigen, , 1984(Wigen, , 1998De Wames, 1970;Wolfram, 1971;Yu, 1975;Frait, 1985Frait, , 1998Rook, 1991;Bland, 1994;Patton, 1995Patton, , 1996Skomski, 2008;Coey, 2009). This spectroscopic method/FMR have been used to magnetic properties (Celinski, 1991;Farle, 1998Farle, , 2000Fermin, 1999;B...…”

Section: Introductionmentioning

confidence: 99%

“…The FMR technique can provide information on the magnetization, magnetic anisotropy, dynamic exchange/dipolar energies and relaxation times, as well as the damping in the magnetization dynamics (Wigen, 1962(Wigen, , 1984(Wigen, , 1998De Wames, 1970;Wolfram, 1971;Yu, 1975;Frait, 1985Frait, , 1998Rook, 1991;Bland, 1994;Patton, 1995Patton, , 1996Skomski, 2008;Coey, 2009). This spectroscopic method/FMR have been used to magnetic properties (Celinski, 1991;Farle, 1998Farle, , 2000Fermin, 1999;Buschow, 2004;Heinrich, 2005(a), 2005(b)), films (Özdemir, 1996, 1997), monolayers (Zakeri, 2006), ultrathin and multilayers films (Layadi, 1990(Layadi, (a), 1990(Layadi, (b), 2002(Layadi, , 2004Wigen, 1993;Zhang, 1994Zhang, (a), 1994Farle, 2000;Platow, 1998;Anisimov, 1999;Heinrich, 2005(a) ;Lacheisserie, 2005;de Cos, 2006;Liua, 2012;, the angular, the frequency (Celinski, 1997;Farle, 1998), the temperature dependence (Platow, 1998), interlayer exchange coupling (Frait, , 1998Parkin, 1990Parkin, , 1991…”

Section: Introductionmentioning

confidence: 99%