Scaling of Spin Hall Angle in 3d, 4d, and 5d Metals from Y 3 Fe 5 O 12 /Metal Spin Pumping
Open accessAbstract
We have investigated spin pumping from Y3Fe5O12 thin films into Cu, Ag, Ta, W, Pt, and Au with varying spin-orbit coupling strengths. From measurements of Gilbert damping enhancement and inverse spin Hall signals spanning 3 orders of magnitude, we determine the spin Hall angles and interfacial spin mixing conductances for the six metals. The spin Hall angles largely vary as Z(4) (Z: atomic number), corroborating the role of spin-orbit coupling. Amongst the four 5d metals, the variation of the spin Hall angle is dominated by the sensitivity of the d-orbital moment to the d-electron count, confirming theoretical predictions.
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The efficiency of the ISHE is dependent on strong spin-orbit coupling, scaling as the fourth power of the atomic number.
“the efficiency of the ISHE is dependent on strong spin-orbit coupling, scaling as the fourth power of the atomic number125.”
From Ultrafast terahertz emission from emerging symmetry-broken materials (2023) · cites this paper as [125]
The paper reports that the spin Hall angle—a measure relevant to ISHE efficiency—scales with Z⁴ for Cu, Ag, and Au (p. 7). It explicitly says the four 5d metals do not follow that scaling, so the claim overgeneralizes the relationship. (LLM, conf=0.88)
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Cited by
Sorted by citations
Broadband Terahertz Generation via the Interface Inverse Rashba-Edelstein Effect
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Ultrafast terahertz emission from emerging symmetry-broken materials
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- Authors
- Wang, H. L., Du, C. H., Pu, Y., Adur, R., Hammel, P. C., & Yang, F. Y.
- Affiliations
- The Ohio State University (US)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2014-05-15
- Volume
- 112
- Issue
- 19
- Pages
- 197201-197201
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2011690616
- Cited by
- 557
- References
- 34
- Citations by year
- 2026: 24 · 2025: 40 · 2024: 31 · 2023: 32 · 2022: 42 · 2021: 53 · 2020: 65 · 2019: 55 · 2018: 54 · 2017: 51 · 2016: 57 · 2015: 35 · 2014: 18
- FWCI
- 26.68
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Science Foundation (DMR-0820414)
- U.S. Department of Energy (DE-FG02-03ER46054)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Magnetic properties of thin films
- Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum and electron transport phenomena
- Keywords
- spin Hall angle, spin pumping, yttrium iron garnet, inverse spin Hall effect, Gilbert damping, spin-orbit coupling, thin films, heavy metals
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