85 citations · 384 across the 16 of their papers we have counts for
16 papers
Decoupling Josephson Coupling and Supercurrent Nonreciprocity in Twisted NbSe2/NbSe2 van der Waals Junctions
Seung-Gi Lee, Kwon-Neong Jung, Jae-Kuen Kim +4
The microscopic origin of supercurrent nonreciprocity in van der Waals Josephson junctions remains under active debate, particularly regarding the role of twist-angle engineering i…
Cryogenic Magnetization Dynamics in Chemically Stabilized, Tensile-Strained Ultrathin Yttrium Iron Garnets with Tunable Magnetic Anisotropy
Jihyung Kim, Dongchang Kim, Seung-Gi Lee +8
We report an interfacial chemical stability-driven reduction of low-temperature damping losses in tensile-strained, ultrathin Y3Fe5O12 (YIG) films grown by pulsed laser deposition,…
Interferometric evidence of non-volatile anomalous phase shifts in exchange-spin-split Josephson supercurrent diodes
Kun-Rok Jeon, Jae-Keun Kim, Jiho Yoon +5
The recent realization of zero-field, polarity-reversible supercurrent rectification in proximity-magnetized Rashba-type Pt Josephson junctions (JJs) enables the development of sup…
Intrinsic supercurrent non-reciprocity coupled to the crystal structure of a van der Waals Josephson barrier
Jae-Keun Kim, Kun-Rok Jeon, Pranava K. Sivakumar +4
Non-reciprocal electronic transport in a spatially homogeneous system arises from the simultaneous breaking of inversion and time-reversal symmetries. Superconducting and Josephson…
Role of two-dimensional Ising superconductivity in the non-equilibrium quasiparticle spin-to-charge conversion efficiency
Kun-Rok Jeon, Kyungjune Cho, Anirban Chakraborty +5
Non-equilibrium studies of two-dimensional (2D) superconductors (SCs) with Ising spin-orbit coupling are prerequisite for their successful application to equilibrium spin-triplet C…
Giant transition-state enhancement of quasiparticle spin-Hall effect in an exchange-spin-split superconductor detected by non-local magnon spin-transport
Kun-Rok Jeon, Jae-Chun Jeon, Xilin Zhou +3
Although recent experiments and theories have shown a variety of exotic transport properties of non-equilibrium quasiparticles (QPs) in superconductor (SC)-based devices with eithe…
Spin-transport in superconductors
K. Ohnishi, S. Komori, G. Yang +5
Spin-transport in superconductors is a subject of fundamental and technical importance with the potential for applications in superconducting-based cryogenic memory and logic. Rese…
Tunable pure spin supercurrents and the demonstration of a superconducting spin-wave device
Kun-Rok Jeon, Xavier Montiel, Sachio Komori +7
Recent ferromagnetic resonance experiments and theory of Pt/Nb/Ni8Fe2 proximity-coupled structures strongly suggest that spin-orbit coupling (SOC) in Pt in conjunction with a magne…
Abrikosov vortex nucleation and its detrimental effect on superconducting spin pumping in Pt/Nb/Ni80Fe20/Nb/Pt proximity structures
Kun-Rok Jeon, Chiara Ciccarelli, Hidekazu Kurebayashi +4
We report Abrikosov vortex nucleation in Pt/Nb/Ni80Fe20/Nb/Pt proximity-coupled structures under oblique ferromagnetic resonance (FMR) that turns out to be detrimental to supercond…
Spin transport parameters of NbN thin films characterised by spin pumping experiments
K. Rogdakis, A. Sud, M. Amado +8
We present measurements of ferromagnetic-resonance - driven spin pumping and inverse spin-Hall effect in NbN/Y3Fe5O12 (YIG) bilayers. A clear enhancement of the (effective) Gilbert…
Effect of Meissner screening and trapped magnetic flux on magnetization dynamics in thick Nb/Ni80Fe20/Nb trilayers
Kun-Rok Jeon, Chiara Ciccarelli, Hidekazu Kurebayashi +8
We investigate the influence of Meissner screening and trapped magnetic flux on magnetization dynamics for a Ni80Fe20 film sandwiched between two thick Nb layers (100 nm) using bro…
Spin-pumping-induced inverse spin-Hall effect in Nb/Ni80Fe20 bilayers and its strong decay across the superconducting transition temperature
K. -R. Jeon, C. Ciccarelli, H. Kurebayashi +5
We quantify the spin Hall angle θSH and spin diffusion length lsd of Nb from inverse spin-Hall effect (iSHE) measurements in Nb/Ni80Fe20 bilayers under ferromagnetic resonance. By…
Thermal spin injection and accumulation in CoFe/MgO tunnel contacts to n-type Si through Seebeck spin tunneling
Kun-Rok Jeon, Byoung-Chul Min, Seung-Young Park +4
We report the thermal spin injection and accumulation in crystalline CoFe/MgO tunnel contacts to n-type Si through Seebeck spin tunneling (SST). With the Joule heating (laser heati…
Electrical Investigation of the Oblique Hanle Effect in Ferromagnet/Oxide/Semiconductor Contacts
Kun-Rok Jeon, Byoung-Chul Min, Youn-Ho Park +2
We have investigated the electrical Hanle effect with magnetic fields applied at an oblique angle (θ) to the spin direction (the oblique Hanle effect, OHE) in CoFe/MgO/semiconducto…
Effect of spin relaxation rate on the interfacial spin depolarization in ferromagnet/oxide/semiconductor contacts
Kun-Rok Jeon, Byoung-Chul Min, Youn-Ho Park +4
Combined measurements of normal and inverted Hanle effects in CoFe/MgO/semiconductor (SC) contacts reveal the effect of spin relaxation rate on the interfacial spin depolarization…
Electrical spin injection and accumulation in CoFe/MgO/Ge contacts at room temperature
Kun-Rok Jeon, Byoung-Chul Min, Young-Hun Jo +5
We first report the all-electrical spin injection and detection in CoFe/MgO/moderately doped n-Ge contact at room temperature (RT), employing threeterminal Hanle measurements. A si…