PUBLICATIONS

Novel transparent high-entropy sesquioxide ceramics with high physicochemical plasma etching resistance

Yu-Bin Shin, Su Been Ham, Ha-Neul Kim, Mi-Ju Kim, Jae-Woong Ko, Jae-Wook Lee, Young-Jo Park, Jung-Hyung Kim, Hyo-Chang Lee, Young Hwa Jung, Jung-Woo Lee*, and Ho Jin Ma*

Journal of Advanced Ceramics, 14, 2025 [Read]

Plasma etching resistance and mechanical properties of polymorph Gd2O3-MgO nanocomposite with Zr phase stabilizer incorporation

Su Been Ham, Yu-Bin Shin, Seonghyeon Kim, Ha-Neul Kim, Mi-Ju Kim, Jae-Woong Ko, Jae-Wook Lee, Young-Jo Park, Jung-Hyung Kim, Hyo-Chang Lee, Seog-Young Yoon*, and Ho Jin Ma*

Applied Surface Science, 672, 2024  [Read]

Conversion into single-phase YAG ceramics at low temperature by stoichiometry adjustment

Cheng-Cai Zhao, Young-Jo Park, Govindasamy Logesh, Ho Jin Ma, Jae-Wook Lê, Ha-Neul Kim, Jae-Woong Ko, and Seog-Young Yoon*

Ceramics International, 50, 2024  [Read]

Role of β-Si3N4 seeds in microstructure development and properties of silicon nitride ceramics: a comprehensive review

Logesh Govindasamy, Young-Jo Park, Jae-Woong Ko, Jae-Wook Lee, Ho Jin Ma, Kundan Kumar, and Ha-Neul Kim*

Journal of the Korean Ceramic Society, 61, 2024  [Read]

Microstructural characterization and inductively coupled plasma-reactive ion etching resistance of Y2O3-Y4Al2O9 composite under CF4/Ar/O2 mixed gas conditions

Ho Jin Ma*, Seonghyeon Kim, Ha-Neul Kim, Mi-Ju Kim, Jae-Woong Ko, Jae-Wook Lee, Jung-Hyung Kim, Hyo-Chang Lee, and Young-Jo Park

Scientific Reports, 14, 2024  [Read]

Optimization of Al-excess nonstoichiometry on the densification and plasma resistance of YAG ceramics

Cheng-Cai Zhao, Eun-Bi Kim, Young-Jo Park, Govindasamy Logesh, Mi-Ju Kim, Jae-Wook Lee, Ho Jin Ma, Ha-Neul Kim, Jae-Woong Ko, and Seog-Young Yoon*

Ceramics International, 50, 2024  [Read]

Effect of porosity on etching rate and crater-like microstructure of sintered Al2O3, Y2O3, and YAG ceramics in plasma etching

Eun-Bi Kim, Cheng-Cai Zhao, Young-Jo Park, Mi-Ju Kim, Ho Jin Ma, Ha-Neul Kim, Jae-Woong Ko, Seog-Young Yoon*, and Jae-Wook Lee*

Ceramics International, 50, 2024  [Read]

Optimization of Ca additive and HIP condition in fabrication of the transparent MgAl2O4 ceramics

Sun-Young Kim, Young-Jo Park, Ho Jin Ma, Jae-Woong Ko, Jae-Wook Lee, Sung-Hwan Bae*, and Ha-Neul Kim*

International Journal of Refractory Metals and Hard Materials, 120, 2024  [Read]

Physiochemical etching characteristics and surface analysis of Y2O3-MgO nanocomposite under different CF4/Ar/O2 plasma atmospheres

Ho Jin Ma*, Young-Jo Park, Mi-Ju Kim, Ha-Neul Kim, Jae-Woong Ko, Jae-Wook Lee, Jung-Hyung Kim, and Hyo-Chang Lee

Applied Surface Science, 641, 2023  [Read]

Non-resonant losing in a deep-hole scattering cavity

ChulMin Oh, Ho Jin Ma, Do Kyung Ki, KyeoReh Lee*, and YongKeun Park*

Optical Express, 30, 2022  [Read]

Influence of ternary oxide additives on thermal conductivity of pressureless sintered Si3N4

Kundan Kumar, Young-Jo Park, Mi-Ju Kim, Ha-Neul Kim, Ho Jin Ma, Jae-Wook Lee, and Jae-Woong Ko*

Materials Letters, 328, 2022  [Read]

Correlation between microstructure and synergistic physiochemical etching resistance of nanocomposite under fluorine contained plasma conditions

Ho Jin Ma*, Seongwan Hong, Hyena-Myeong Oh, Kundan Kumar, Mi-Ju Kim, Ha-Neul Kim, Jae-Woong Ko, Jae-Wook Lee, Hyo-Chang Lee, and Young-Jo Park*

ACS Applied Materials & Interface, 14, 2022  [Read]

Rare-earth elements substitution of Na1+xZr2SixP3-xO12 (x=2) solid electrolyte: Implications for all-solid-state Na-ion batteries

Se Woon Jung, Ji Eun Wang, Dong Gyu Kim, Ho Jin Ma, Dong Jun Kim*, and Do Kyung Kim*

ACS Applied Nano Materials, 5, 2022  [Read]

Twofold increase in Weibull modulus of hot-pressed Si3N4 ceramic by modified pressing profile

Kundan Kumar, Mi-Ju Kim, Ha-Neul Kim, Ho Jin Ma, Jae-Wook Lee, Jae-Woong Ko, and Young-Jo Park*

Materials Today Communications, 32, 2022  [Read]

Fabrication of highly dense Si3N4 via record low-content additive system for low-temperature pressureless sintering

Kundan Kumar, Mi-Ju Kim, Hyeon-Myeong Oh, Young-Jo Park*, Ha-Neul Kim, Ho Jin Ma, Jae-Wook Lee, and Jae-Woong Ko

Journal of the American Ceramic Society, 105, 2022  [Read]

Scalable and tunable Y2O3-MgO composite for infrared transparency applications

Kundan Kumar, Hyeon-Myeong Oh, Mi-Ju Kim, Ho Jin Ma, Young-Jo Park*, Ha-Neul Kim, Jae-Wook Lee, and Jae-Woong Ko

Journal of the American Ceramic Society, 105, 2022  [Read]

Non-resonant power-efficient directional Nd:YAG ceramic laser using a scattering cavity

KyeoReh Lee, Ho Jin Ma, Fabian Rotermund, Do Kyung Kim*, and YongKeun Park*

Nature Communications, 12, 2021  [Read]

Self-reinforced and high-thermal conductivity silicon nitride by tailoring a-b phase ratio with pressureless multi-step sintering

Jung Hoon Kong, Ho Jin Ma, Wook Ki Jung, Juseop Hong, Kisho Jun, and Do Kyung Kim*

Ceramics International, 47, 2021  [Read]

Insight into the scavenger effect of LiF on extinction of a carboxylate group for mid-infrared transparent Y2O3-MgO nanocomposite

Ho Jin Ma, Jung Hoon Kong, and Do Kyung Kim*

Scripta Materialia, 187, 2020  [Read]

Research trends and applications of Y2O3-MgO polycrystalline nanocomposite for infrared transparent ceramics

Ho Jin Ma, and Do Kyung Kim*

Ceramist, 23, 2020  [Read]

Mie resonator method for reliable permittivity measurement of loss-less ceramics in microwave frequency at high temperature

Ho Jin Ma, Joonkyo Jung, Jung Hoon Kong, Jin Woo Park, Seung Jun Lee, Jonghwa Shin*, and Do Kyung Kim*

Journal of Applied Physics, 126, 2019  [Read]

Microstructural freezing of highly NIR transparent Y2O3-MgO nanocomposite via pressure-assisted two-step sintering

Ho Jin Ma, Wook Ki Jung, Seok-Min Yong, Doo Hyun Choi, and Do Kyung Kim*

Journal of the European Ceramic Society, 39, 2019  [Read]

Two-step sintering behavior of titanium-doped Y2O3 ceramics with monodispersed sub-micrometer powder

Wook Ki Jung, Ho Jin Ma, Dong Gyu Kim, and Do Kyung Kim*

Ceramics International, 45, 2019  [Read]

A novel approach of an infrared transparent Er:Y2O3-MgO nanocomposite for eye-safe laser ceramics

Ho Jin Ma, Wook Ki Jung, Youngtae Park, and Do Kyung Kim*

Journal of Materials Chemistry C, 6, 2018  [Read]

Transparent Ceramics for Visible/IR Windows: Processing, Materials and Characterization

Wook Ki Jung, Ho Jin Ma, Ha-Neul Kim, and Do Kyung Kim*

Korean Journal of Materials Research, 28, 2018  [Read]

Influence on microstructure control on optical and mechanical properties of infrared transparent Y2O3-MgO nanocomposite

Ho Jin Ma, Wook Ki Jung, Changyeon Baek, and Do Kyung Kim*

Journal of the European Ceramic Society, 37, 2017  [Read]

A robust approach for highly transparent Y2O3 ceramics by stabilizing oxygen defects

Wook Ki Jung, Ho Jin Ma, Youngtae Park, and Do Kyung Kim*

Scripta Materialia, 137, 2017  [Read]

Effects of calcination atmosphere on monodispersed spherical particles for highly optical transparent yttria ceramics

Wook Ki Jung, Ho Jin Ma, Se Woon Jung, and Do Kyung Kim*

Journal of the American Ceramic Society, 100, 2017  [Read]

Enhanced dielectric permittivity of BaTiO3/epoxy resin composites by particle alignment

Dong Seok Kim, Changyeon Baek, Ho Jin Ma, and Do Kyung Kim*

Ceramics International, 42, 2016  [Read]