activity
20132020
most citedScaling of spin Hall angle in 3d, 4d and 5d metals from Y3Fe5O12/metal spin pumping

558 citations · 2k across the 15 of their papers we have counts for

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12 papers · 1 filter

cond-mat.mtrl-sci2015★ 353 cited

Antiferromagnonic Spin Transport from YFeO into NiO

Hailong Wang, Chunhui Du, P. Chris Hammel +1

We observe highly efficient dynamic spin injection from YFeO (YIG) into NiO, an antiferromagnetic (AF) insulator, via strong coupling, and robust spin propagation in…

cond-mat.mtrl-sci2015★ 118 cited

Spin Transport in Antiferromagnetic Insulators Mediated by Magnetic Correlations

Hailong Wang, Chunhui Du, P. Chris Hammel +1

We report a systematic study of spin transport in antiferromagnetic (AF) insulators having a wide range of ordering temperatures. Spin current is dynamically injected from Y3Fe5O12…

cond-mat.mtrl-sci2014★ 16 cited

Experimental and Numerical Understanding of Localized Spin Wave Mode Behavior in Broadly Tunable Spatially Complex Magnetic Configurations

Chunhui Du, Rohan Adur, Hailong Wang +4

Spin wave modes confined in a ferromagnetic film by the spatially inhomogeneous magnetic field generated by a scanned micromagnetic tip of a ferromagnetic resonance force microscop…

cond-mat.mtrl-sci2014★ 76 cited

Y3Fe5O12 Spin Pumping for Quantitative Understanding of Pure Spin Transport and Spin Hall Effect in a Broad Range of Materials

Chunhui Du, Hailong Wang, P. Chris Hammel +1

Using Y3Fe5O12 (YIG) thin films grown by our sputtering technique, we study dynamic spin transport in nonmagnetic (NM), ferromagnetic (FM) and antiferromagnetic (AF) materials by f…

cond-mat.mtrl-sci2014★ 2 cited

Surprisingly large inverse spin Hall effect and systematic variation of spin-orbit coupling with d-orbital filling in 3d transition metals

Chunhui Du, Hailong Wang, Fengyuan Yang +1

It is generally believed that spin-orbit coupling (SOC) follows Z4 (atomic number) dependence and becomes significant only in heavy elements. Consequently, SOC in 3d transition met…

cond-mat.mtrl-sci2014★ 86 cited

Enhancement of Pure Spin Currents in Spin Pumping Y3Fe5O12/Cu/metal Trilayers through Spin Conductance Matching

Chunhui Du, Hailong Wang, Fengyuan Yang +1

Spin transport efficiency in heterostructures depends on the spin conductances of each constituent and their interfaces. We report a comparative study of spin pumping in Y3Fe5O12/C…

cond-mat.mtrl-sci2014★ 26 cited

Damping of Confined Modes in a Ferromagnetic Thin Insulating Film: Angular Momentum Transfer Across a Nanoscale Field-defined Interface

Rohan Adur, Chunhui Du, Hailong Wang +6

We observe a dependence of the damping of a confined mode of precessing ferromagnetic magnetization on the size of the mode. The micron-scale mode is created within an extended, un…

cond-mat.mtrl-sci2013★ 136 cited

Strain-Tunable Magnetocrystalline Anisotropy in Epitaxial Y3Fe5O12 Thin Films

Hailong Wang, Chunhui Du, Chris Hammel +1

We demonstrate strain-tuning of magnetocrystalline anisotropy over a range of more than one thousand Gauss in epitaxial Y3Fe5O12 films of excellent crystalline quality grown on lat…

cond-mat.mtrl-sci2013★ 89 cited

Probing the Spin Pumping Mechanism: Exchange Coupling with Exponential Decay in Y3Fe5O12/barrier/Pt Heterostructures

C. H. Du, H. L. Wang, Y. Pu +4

Ferromagnetic resonance driven spin pumping of pure spin currents from a ferromagnet into a nonmagnetic material promises new spin-functional devices with low energy consumption. T…

cond-mat.mtrl-sci2013★ 121 cited

Large Spin Pumping from Epitaxial Y3Fe5O12 Thin Films to Pt and W Layers

H. L. Wang, C. H. Du, Y. Pu +3

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/Y3Fe…

cond-mat.mtrl-sci2013★ 558 cited

Scaling of spin Hall angle in 3d, 4d and 5d metals from Y3Fe5O12/metal spin pumping

H. L. Wang, C. H. Du, Y. Pu +3

Pure spin currents generated by spin pumping in ferromagnet/nonmagnet (FM/NM) bilayers produce inverse spin Hall effect (ISHE) voltages in the NM, from which spin pumping and trans…

cond-mat.mtrl-sci2013

Long-range FMR driven spin pumping through a nonmagnetic insulator

Y. Pu, H. L. Wang, C. H. Du +8

Ferromagnetic resonance (FMR) driven spin pumping is an emerging technique for injection of a pure spin current from a ferromagnet (FM) into a non-magnetic (NM) material without an…