2022年5月20日 · Spintronic THz emitters, consisting of ferromagnetic (FM)/non-magnetic (NM) thin film heterostructures, have demonstrated impressive properties for the use in THz spectroscopy and have great potential in scientific and industrial applications.

2022年12月21日 · In this paper, I will demonstrate how a very strong hard ferromagnetic L1 0-FePt (hereinafter called FePt) alloy nanowire can exhibit obvious THz permeability spectra. FePt alloy with a tetragonal structure is one of the promising materials with an ultra large areal storage density (>400 Gb cm −2) in the next generation perpendicular magnetic ...

2018年1月22日 · We report on generation of pulsed broadband terahertz radiation utilizing the inverse spin hall effect in Fe/Pt bilayers on MgO and sapphire substrates. The emitter was optimized with respect to...

2024年10月17日 · Spintronic THz emitters, consisting of ferromagnetic FM / non-magnetic (NM) thin film heterostructures, have demonstrated impressive properties for the use in THz spectroscopy and have great ...

2016年7月10日 · We have carried out a comprehensive investigation of THz emission from Fe/Pt magnetic heterostructures, employing time-domain THz spectroscopy. We reveal that by properly tuning the thickness...

2022年4月1日 · In this work, we focus on the impact of the FM/NM interface on the THz emission by investigating Fe/Pt bilayers with engineered interfaces. In particular, we intentionally modify the Fe/Pt interface by inserting an ordered L1$_{0}$-FePt alloy interlayer.

2022年4月1日 · The work reveals the factors to engineer spintronic Terahertz generation by introducing the scattering lifetime and the interface transmission for spin polarized, non-equilibrium electrons and defines a roadmap of the properties of emitted as well as detected THz-pulse shapes and spectra that is essential for future applications of metallic ...

2022年4月29日 · Recent developments in nanomagnetism and spintronics have enabled the use of ultrafast spin physics for terahertz (THz) emission. Spintronic THz emitters, consisting of ferromagnetic (FM)/non-magnetic (NM) thin film heterostructures, have demonstrated impressive properties for the use in THz spectro …

2015年12月5日 · The spectrum calculated for Fe atoms in FePt 3 is characterized by a high frequency peak at about 6 THz with high intensity and two significantly smaller peaks at 4 and 5 THz (Fig. 5 c). The pronounced differences observed for the PDOS calculated for Pt atoms vibrating along the direction parallel (“in Fe plane”) or perpendicular to the ...

2022年4月1日 · Spintronic THz emitters, consisting of ferromagnetic FM / non-magnetic (NM) thin film heterostructures, have demonstrated impressive properties for the use in THz spectroscopy and have great...