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Related papers: Spin current generation from sputtered Y3Fe5O12 fi…

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A magnetic material combining low losses and large Perpendicular Magnetic Anisotropy (PMA) is still a missing brick in the magnonic and spintronic fields. We report here on the growth of ultrathin Bismuth doped Y$_{3}$Fe$_{5}$O$_{12}$…

We report on the structure, magnetization, magnetic anisotropy, and domain morphology of ultrathin yttrium iron garnet (YIG)/Pt films with thickness ranging from 3 to 90 nm. We find that the saturation magnetization is close to the bulk…

Pure spin current, a flow of spin angular momentum without flow of any companying net charge, is generated in two common ways. One makes use of the spin Hall effect in normal metals (NM) with strong spin-orbit coupling, such as Pt or Ta.…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Junxue Li , Yadong Xu , Mohammed Aldosary , Chi Tang , Zhisheng Lin , Shufeng Zhang , Roger Lake , Jing Shi

The spin Seebeck effect (SSE) enables thermoelectric conversion through thermally generated spin currents in magnetic materials, offering a promising transverse geometry for scalable devices. However, conventional SSE devices are confined…

Half-metallic half-Heusler compounds with strong spin-orbit-coupling and broken inversion symmetry in their crystal structure are promising materials for generating and absorbing spin-currents, thus enabling the electric manipulation of…

Materials Science · Physics 2024-06-26 E. Longo , A. Markou , C. Felser , M. Belli , A. Serafini , P. Targa , D. Codegoni , M. Fanciulli , R. Mantovan

The demand for compact, high-speed and energy-saving circuitry urges higher efficiency of spintronic devices that can offer a viable alternative for the current electronics. The route towards this goal suggests implementing two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2021-05-11 Talieh S. Ghiasi , Alexey A. Kaverzin , Avalon H. Dismukes , Dennis K. de Wal , Xavier Roy , Bart J. van Wees

The longitudinal spin Seebeck effect (LSSE) in Pt/Y$_3$Fe$_5$O$_{12}$ (YIG) junction systems has been investigated at various magnetic fields and temperatures. We found that the LSSE voltage in a Pt/YIG-slab system is suppressed by applying…

Materials Science · Physics 2015-08-19 Takashi Kikkawa , Ken-ichi Uchida , Shunsuke Daimon , Zhiyong Qiu , Yuki Shiomi , Eiji Saitoh

We study the spin Hall magnetoresistance (SMR) and the magnon spin transport (MST) in Pt/Y3Fe5O12(YIG)-based devices with intentionally modified interfaces. Our measurements show that the surface treatment of the YIG film results in a…

Mesoscale and Nanoscale Physics · Physics 2016-11-09 Saül Vélez , Amilcar Bedoya-Pinto , Wenjing Yan , Luis E. Hueso , Fèlix Casanova

We report on the impact of manganese doping at the iron sites in Gadolinium Iron Garnet (GdIG, Gd$_{3}$Fe$_{5}$O$_{12}$), employing temperature-dependent spin Seebeck effect and ferromagnetic resonance measurements. Our findings reveal a…

Strongly Correlated Electrons · Physics 2025-08-06 Anna Merin Francis , P. B. S. Murthykrishnan , Ratnamay Kolay , Ramesh Nath , Sunil Nair

Epitaxial Y3Fe5O12 thin films have been deposited by off-axis sputtering, which exhibit excellent crystalline quality, enabling observation of large spin pumping signals in Pt/Y3Fe5O12 and W/Y3Fe5O12 bilayers driven by cavity ferromagnetic…

Materials Science · Physics 2014-05-20 H. L. Wang , C. H. Du , Y. Pu , R. Adur , P. C. Hammel , F. Y. Yang

Spin-wave propagation in an assembly of microfabricated 20 nm thick, 2.5 {\mu}m wide Yttrium Iron Garnet (YIG) waveguides is studied using propagating spin-wave spectroscopy (PSWS) and phase resolved micro-focused Brillouin Light Scattering…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 M. Collet , O. Gladii , M. Evelt , V. Bessonov , L. Soumah , P. Bortolotti , S. O Demokritov , Y. Henry , V. Cros , M. Bailleul , V. E. Demidov , A. Anane

We report that the spin current generated by spin Seebeck effect (SSE) in yttrium iron garnet (YIG) can be detected by a ferromagnetic metal (NiFe). By using the FM/AFM exchange bias structure (NiFe/IrMn), inverse spin Hall effect (ISHE)…

Materials Science · Physics 2015-07-20 H. Wu , C. H. Wan , Z. H. Yuan , X. Zhang , J. Jiang , Q. T. Zhang , Z. C. Wen , X. F. Han

This article shows that the spin-to-charge current conversion in single-layer graphene (SLG) by means of the inverse Rashba-Edelstein effect (IREE) is made possible with the integration of this remarkable 2D-material with the unique…

Excitation of magnetization dynamics by pure spin currents has been recently recognized as an enabling mechanism for spintronics and magnonics, which allows implementation of spin-torque devices based on low-damping insulating magnetic…

We demonstrate the efficient excitation of spin waves in the ultra-low magnetic damping material yttrium-iron-garnet (YIG) by surface acoustic waves (SAWs). To this end, we employ interdigital transducers fabricated on a piezoelectric zinc…

We have theoretically investigated the spin Seebeck effect (SSE) in a normal metal (NM)/paramagnetic insulator (PI) bilayer system. Through a linear response approach, we calculated the thermal spin pumping from PI to NM and backflow spin…

Mesoscale and Nanoscale Physics · Physics 2023-01-31 Koichi Oyanagi , Saburo Takahashi , Takashi Kikkawa , Eiji Saitoh

Ultrafast pump-probe imaging reveals that the efficiency of optical excitation of coherent spins waves in epitaxial iron garnet films can be effectively controlled by an external electric field at room temperature. Although a femtosecond…

Applied Physics · Physics 2026-03-24 T. T. Gareev , N. E. Khokhlov , L. Körber , A. P. Pyatakov , A. V. Kimel

The observation of the spin Seebeck effect in insulators has meant a breakthrough for spin caloritronics due to the unique ability to generate pure spin currents by thermal excitations in insulating systems without moving charge carriers.…

Diffusive propagation of spin waves and their quanta - magnons - in the archetypal magnetic insulator yttrium iron garnet (YIG) is under a surge of research for low-power and low-loss data communication. However, operation under external…

Mesoscale and Nanoscale Physics · Physics 2024-11-22 Hossein Taghinejad , Kohtaro Yamakawa , Xiaoxi Huang , Yuanqi Lyu , Luke P. Cairns , Ramamoorthy Ramesh , James G. Analytis

We investigate the spin pumping efficiency in YIG/YIG/W$_{90}$Ti$_{10}$ bilayers by measuring the thickness dependence of both the YIG and WTi layers using broadband ferromagnetic resonance (FMR) spectroscopy. The deposition of a 5-nm WTi…

Materials Science · Physics 2025-07-10 Marielle Hachem , Zeinab Harajli , Samih Isber , Mohammad Haidar
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