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A novel two-step grain boundary diffusion process using TaF5 and Pr70Cu15Al10Ga5 for realizing high-coercivity in Nd-Fe-B-sintered magnets without use of heavy rare-earth File

Lee, Seol-mi , Kim, Ganghwi , Lee, Ki-Suk , Kim, Sumin , Kim, Tae-Hoon , Lee, Sang-hyub , Kim, Dong-Hwan , Lee, Wooyoung , Lee, Jung-Goo

Article Issue Date2025-02 View57

Anomalous velocity increment of magnetic domain wall on ultrathin ferromagnetic film with perpendicular magnetic anisotropy

Kim, Ganghwi , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2022-05-25 View71

Asymmetric Magnetization Reversal of the Soft layer in the Pt/Co bilayer with Perpendicular magnetic anisotropy

Yu, Pyeong-Yeol , Kang, Myeonghwan , OK, Hye-Jin , Kim, Ganghwi , Jeong, Suyeong , Park, Younggun , Lee, Ki-Suk

Conference Paper Issue Date2022-11-23 View67

Coercivity Enhancement of Nd2Fe14B Magnets through Suppressing Pr-rich Shell Formation: Insights from Micromagnetic Simulations

Kim, Ganghwi , Kim, Tae-Hoon , Lee, Ki-Suk

Conference Paper Issue Date2025-04-21 View73

Control of 3D Topological Spin Textrure in a Ferromagnetic Rectangular disk

Kang, Myeonghwan , Han, Hee-Sung , Ok, Hye-Jin , Kim, Ganghwi , Jeong, Suyeong , Yu, Young-Sang , Je, Soong-Geun , Chao, Weilun , Im, Mi-Young , Lee, Ki-Suk

Conference Paper Issue Date2024-05-07 View73

Direct observation of multi-level switching behavior in the multi-layered ferromagnetic thin film

Yu, Pyeong-Yeol , Kang, Myeonghwan , Lee, Sooseok , Jung, Dae-Han , Ok, Hye-Jin , Kim, Ganghwi , Jeong, Suyeong , Park, Younggun , Lee, Ki-Suk

Conference Paper Issue Date2022-05-25 View86

Dominant Factors in Coercivity Enhancement and Optimized Pr Rich Shell Formation in Pr-Free and Pr-Containing Nd-Fe-B Sintered Magnets by Grain Boundary Diffusion Process Using Low-Melting Pr Cu-Al-Ga Alloy

Lee, Sujin , Kim, Ganghwi , Lee, Ki-Suk , Kim, Tae-Hoon , Lee, Sang-Hyub , Kim, Dong-Hwan , Lee, Jung-Goo

Conference Paper Issue Date2024-11-26 View59

Dramatic Enhancement of Magnetic Domain Wall Velocity beyond Walker breakdown via the Resonant Dissipation

Kim, Ganghwi , Jung, Dae-Han , Han, Hee-Sung , Jeong, Suyeong , Im, Mi-Young , Lee, Ki-Suk

Conference Paper Issue Date2024-05-09 View69

Dynamics and Resonance of Magnetic Domain Wall Under Applied Field

Kim, Ganghwi , Jeong, Suyeong , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2023-05-26 View62

Dynamics of magnetic skyrmion bags induced by spin-transfer torques

Jeong, Suyeong , Han, Hee-Sung , Jung, Dae-Han , Kim, Ganghwi , Lee, Ki-Suk

Conference Paper Issue Date2021-07-21 View57

Effect of Diffusion Depth Variation on coercivity of Pr-Diffused Nd-Fe-B sintered magnet: A micromagnetic study

Kim, Ganghwi , Lee, Sujin , Kim, Tae-Hoon , Lee, Ki-Suk

Conference Paper Issue Date2024-11-28 View97

Enhancement of magnetic domain wall velocity via resonant dissipation of standing wave modes of domain wall structure with perpendicular magnetic anisotropy File

Kim, Ganghwi , Jung, Dae-Han , Han, Hee-Sung , Kang, Myeonghwan , Jeong, Suyeong , Park, Younggun , Im, Mi-Young , Lee, Ki-Suk

Article Issue Date2024-12 View124

Fabrication of High-Performance HRE-Free Nd-Fe-B Sintered Magnets via GBDP Using Eutectic Refractory Metal Alloys and Pr70Cu15Al10Ga5

Lee, Seol-Mi , Kime, Tae-Hoon , Kim, Ganghwi , Lee, Ki-Suk , Lee, Sang-Hyub , Kim, Dong-Hwan , Lee, Jung-Goo

Conference Paper Issue Date2024-11-26 View49

Generation of Skyrmions from Magnetic Domain Wall Dynamics with Topological Changes

Jeong, Suyeong , Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Park, Younggun , Lee, Su-Mi , Lee, Ki-Suk

Conference Paper Issue Date2024-11-26 View57

Geometry-controlled skyrmion bag dynamics for multi-bit logic gates

Jeong, Suyeong , Han, Hee-Sung , Kim, Ganghwi , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2023-12-04 View69

Interfacial roughness driven manipulation of magnetic anisotropy and coercivity in ultrathin thulium iron garnet films File

Duong, Viet Duc , Van, Phuoc Cao , Thi, Trinh Nguyen , Ahn, Ha Yeong , Cao, Viet Anh , Nah, Junghyo , Kim, Ganghwi , Lee, Ki-Suk , Kim, Ji-Wan , Jeong, Jong-Ryul

Article Issue Date2022-12 View165

Intermodulation of the Magnetic Domain Wall Resonance on the Ultrathin Ferromagnetic Nanostrip Driven by Magnetic Field

Kim, Ganghwi , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2022-11-23 View48

Magnetic field tunability of a skyrmion diode

Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Jeong, Suyeong , Lee, Ki-Suk

Conference Paper Issue Date2021-07-21 View62

Magnetic skyrmion diode: Unidirectional skyrmion motion via symmetry breaking of potential energy barriers File

Jung, Dae-Han , Han, Hee-Sung , Kim, Namkyu , Kim, Ganghwi , Jeong, Suyeong , Lee, Sooseok , Kang, Myeonghwan , Im, Mi-Young , Lee, Ki-Suk

Article Issue Date2021-08 View122

Magnetic Skyrmions: From Fundamentals to Applications in Emerging Logic Devices

Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Jeong, Suyeong , Kang, Myeonghwan , Im, Mi-Young , Lee, Ki-Suk

Conference Paper Issue Date2022-11-16 View67

Manipulation of Topological 3D Magnetic Vortex in a Ferromagnetic Rectangular Disk

Kang, Myeonghwan , Lee, Sooseok , Han, Hee-Sung , Ok, Hye-Jin , Kim, Ganghwi , Jeong, Suyeong , Yu, Young-Sang , Je, Soong-Geun , Chao, Weilun , Im, Mi-Youn , et al

Conference Paper Issue Date2024-11-26 View80

Micromagnetic Modeling and Prediction of Magnetic Phenomena: Domain Wall Dynamics and Hysteresis Loops File

Kim, Ganghwi

Thesis Issue Date2026-02 View9

Micromagnetic studies on the effect of microstructure modification on B-doped Sm(Fe0.8Co0.2)12 thin film

Kim, Ganghwi , Jung, Dae-Han , Jeong, Suyeong , Kim, Namgyu , Lee, Ki-Suk

Conference Paper Issue Date2021-12-07 View67

Micromagnetic Studies on the Enhancement of the Coercivity of B-doped Sm(Fe0.8Co0.2)12 Thin Film by Forming Amorphous Grain Boundary

Kim, Ganghwi , Jung, Dae-Han , Jeong, Suyeong , Kim, Namgyu , Lee, Ki-Suk

Conference Paper Issue Date2021-07-21 View67

Micromagnetic Study on the Mechanism of Coercivity Enhancement in Grain Boundary Diffusion Processed Nd-Fe-B Sintered Magnets by Inhibiting the Chemically Induced Liquid Film Migration

Kim, Ganghwi , Kim, Tae-Hoon , Lee, Ki-Suk

Conference Paper Issue Date2024-05-30 View48

Multi-bit Logic Gates of Skyrmion Bags

Jeong, Suyeong , Han, Hee-Sung , Kim, Ganghwi , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2023-07-25 View51

Nonlinear Behavior of Magnetic Domain Wall Originated by Applied Field

Kim, Ganghwi , Jung, Dae-Han , Han, Hee-Sung , Jeong, Suyeong , Lee, Ki-Suk

Conference Paper Issue Date2023-11-22 View56

Resonant Excitations of Magnetic Domain Wall Internal Modes Under Static Magnetic Field

Kim, Ganghwi , Jeong, Suyeong , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2023-07-27 View36

Simultaneous improvement in coercivity and remanence of 60% Nd-saving (Nd,Ce,Ho)-Fe-B sintered magnets by grain boundary diffusion process with non-critical rare earth elements

Lee, Sujin , Kim, Ganghwi , Lee, Ki-Suk , Kim, Sumin , Kim, Tae-Hoon , Lee, Sang-Hyub , Kim, Dong-Hwan , Lee, Jung-Goo

Conference Paper Issue Date2024-11-28 View82

Skyrmion bag dynamics based multi-bit logic gates

Jeong, Suyeong , Han, Hee-Sung , Kim, Ganghwi , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2023-05-24 View47

Skyrmion bag dynamics under spin-transfer torques

Jeong, Suyeong , Han, Hee-Sung , Jung, Dae-Han , Kim, Ganghwi , Lee, Ki-Suk

Conference Paper Issue Date2021-12-08 View69

Skyrmion bags dynamics in Y shape track

Jeong, Suyeong , Han, Hee-Sung , Kim, Ganghwi , Jung, Dae-Han , Lee, Ki-Suk

Conference Paper Issue Date2022-11-23 View49

Skyrmion generation involved in domain wall deformation dynamics

Jeong, Suyeong , Kim, Ganghwi , Jung, Dae-Han , Han, Hee-Sung , Lee, Ki-Suk

Conference Paper Issue Date2024-11-27 View74

Skyrmion generation via dynamics of domain wall

Jeong, Suyeong , Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Lee, Ki-Suk

Conference Paper Issue Date2023-11-22 View57

Skyrmion generation via topological changes of domain wall

Jeong, Suyeong , Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Lee, Ki-Suk

Conference Paper Issue Date2024-05-29 View55

Spinwave Emission Originated by Magnetic Domain Wall Resonance

Kim, Ganghwi , Jung, Dae-Han , Jeong, Suyeong , Lee, Ki-Suk

Conference Paper Issue Date2024-11-25 View55

Symmetry-breakings for unidirectional skyrmion motions under spin-orbit and -transfer torques

Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Jeong, Suyeong , Lee, Ki-Suk

Conference Paper Issue Date2021-07-21 View120

The dynamics of domain wall and skyrmion generation

Jeong, Suyeong , Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Lee, Ki-Suk

Conference Paper Issue Date2022-05-25 View67

Unidirectional driven skyrmion and dynamic transitions in asymmetric potential energy landscape

Jung, Dae-Han , Han, Hee-Sung , Kim, Ganghwi , Jeong, Suyeong , Lee, Ki-Suk

Conference Paper Issue Date2021-12-07 View53

Unidirectional Transport of Magnetic Skyrmion through Symmetry-Breaking of Potential Energy Barriers

Jung, Dae-Han , Han, Hee-Sung , Kim, Namkyu , Kim, Ganghwi , Jeong, Suyeong , Lee, SooSeok , Kang, Myeonghwan , Im, Mi-Young , Lee, Ki-Suk

Conference Paper Issue Date2020-11-26 View75

미소자기전산모사기반 영구자석의 자기이력곡선과 최대에너지적의 이해

Lee, Ki-Suk , Kim, Ganghwi , Kim, Namgyu , Park, Younggun

Conference Paper Issue Date2023-11-23 View62

정밀 이온빔 가공을 통한 뉴로몰픽 반도체용 자기 스커미온의 제어

Kim, Ganghwi , Lee, Ki-Suk

Conference Paper Issue Date2023-11-30 View63

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