Thermoelectric films and periodic structures and spin Seebeck effect systems: Facets of performance optimization

N Nandihalli - Materials Today Energy, 2022 - Elsevier
The growing market for sensors, Internet of Things, and wearable devices is fueling the
development of low-cost energy-harvesting materials and systems. Film based …

Thermoelectric generation based on spin Seebeck effects

K Uchida, H Adachi, T Kikkawa, A Kirihara… - Proceedings of the …, 2016 - ieeexplore.ieee.org
The spin Seebeck effect (SSE) refers to the generation of a spin current as a result of a
temperature gradient in magnetic materials including insulators. The SSE is applicable to …

Pure spin currents in magnetically ordered insulator/normal metal heterostructures

M Althammer - Journal of Physics D: Applied Physics, 2018 - iopscience.iop.org
Pure spin currents, ie the transport of angular momentum without an accompanying charge
current, represent a promising new avenue in modern spintronics from both a fundamental …

Magnon polarons in the spin Seebeck effect

T Kikkawa, K Shen, B Flebus, RA Duine, K Uchida… - Physical review …, 2016 - APS
Sharp structures in the magnetic field-dependent spin Seebeck effect (SSE) voltages of Pt/Y
3 Fe 5 O 12 at low temperatures are attributed to the magnon-phonon interaction …

Critical suppression of spin Seebeck effect by magnetic fields

T Kikkawa, K Uchida, S Daimon, Z Qiu, Y Shiomi… - Physical Review B, 2015 - APS
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 …

Influence of thickness and interface on the low-temperature enhancement of the spin Seebeck effect in YIG films

EJ Guo, J Cramer, A Kehlberger, CA Ferguson… - Physical Review X, 2016 - APS
The temperature-dependent longitudinal spin Seebeck effect (LSSE) in heavy metal (HM)/Y
3 Fe 5 O 12 (YIG) hybrid structures is investigated as a function of YIG film thickness …

Temperature Evolution of Magnon Propagation Length in Tm3Fe5O12 Thin Films: Roles of Magnetic Anisotropy and Gilbert Damping

A Chanda, C Holzmann, N Schulz, A Ullrich… - ACS …, 2024 - ACS Publications
The magnon propagation length,⟨ ξ⟩, of a ferro-/ferrimagnet (FM) is one of the key factors
that controls the generation and propagation of thermally driven magnonic spin current in …

Magnonic unidirectional spin Hall magnetoresistance in a heavy-metal–ferromagnetic-insulator bilayer

G Liu, X Wang, ZZ Luan, LF Zhou, SY Xia, B Yang… - Physical Review Letters, 2021 - APS
We report the observation of the unidirectional spin Hall magnetoresistance (USMR), which
depends on the current or magnetization direction, in heavy-metal–ferromagnetic-insulator …

Scaling of the thermally induced sign inversion of longitudinal spin Seebeck effect in a compensated ferrimagnet: Role of magnetic anisotropy

A Chanda, C Holzmann, N Schulz… - Advanced Functional …, 2022 - Wiley Online Library
The authors report on a systematic investigation of the longitudinal spin Seebeck effect
(LSSE) in a GGG (Gd3Ga5O12)/GdIG (Gd3Fe5O12)/Pt film series exhibiting an in‐plane …

Large Thermo-Spin Effects in Heusler Alloy-Based Spin Gapless Semiconductor Thin Films

A Chanda, D Rani, D DeTellem… - … Applied Materials & …, 2023 - ACS Publications
Recently, Heusler alloy-based spin gapless semiconductors (SGSs) with high Curie
temperature (TC) and sizable spin polarization have emerged as potential candidates for …