Xlab@DGIST

Semiconductor, Energy, Sensor

We, Xlab, delve into emerging X materials to improve the quality of life. Now, we study basic science and engineer multifunctional devices using films and nanostructures to discover breakthroughs for #Semiconductor, #Energy, and #Sensor. We endeavor to develop hardware and software to utilize electric, magnetic, optical, and chemical properties of X materials.

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(240701) Jiseok was the recipient of research subsidies for M.S. candidates (사과정생 연구장려금 지원 사업, Ministry of Education 교육부). The new project is "Hydrogen sponges for bio-mimetic quantum devices (생체모방 양자소자를 위한 수소 스펀지)".

(240314) Songhee published a new paper. The title is "Hydrogen-driven low-temperature topotactic transition in nanocomb cobaltite for ultralow power ionic–magnetic coupled applications." https://doi.org/10.1021/acs.nanolett.3c04414

(240226) New graduate student - 박지석 (Kyungpook Nat'l Univ.).

(240125) Subhin won best poster presentation award (현장우수포스터상) at Korean Conference on Semiconductors. KCS NEWS

(240101) Shinbuhm won DGIST global visiting researcher program (DGIST 해외단기방문연구) and visited Los Alamos National Laboratory, US (Invitation: Dr. Aiping Chen) for the research collaboration in 1 Jan. 2024 - 31 Dec. 2025.

(231229) Dongha, Youngkyoung, and Jingyeong won research excellence award (최우수연구상, Department of Physics and Chemistry, DGIST).

(231227) Youngkyoung registered a new Korean patent. The title is "Transparent conductive ceramic laminate comprising perovskite conductor."

(231226) Winter intern - 박지석 (Kyungpook Nat'l Univ.).

(231201) Youngkyoung and Jingyeong published a new paper. The title is "BaZrO3/MgO-templated epitaxy showing a conductivity increase of three orders of magnitude for the Ba0.95La0.05SnO3 films on Al2O3 substrates, with very high transparency and X-band electromagnetic shielding." https://doi.org/10.1038/s41427-023-00512-w

(231028) Jingyeong published a new paper. The title is "La-doped BaSnO3 for electromagnetic shielding transparent conductors." https://doi.org/10.1186/s40580-023-00397-z

(231025) Shinbuhm won Hyundang physics award (현당물리학상, Korean Physical Society). KPS NEWS

(231011) Yuri was selected as a visiting student at Darwin College, University of Cambridge (11 Oct. 2023 - 19 Sep. 2024).

(230818) Songhee and Dongha obtained doctor's degrees. For postdoctoral, Dr. Songhee Choi will join Key Lab for Optical Physics, Institute of Physics, Chinese Academy of Sciences, China (supervisor: Prof. Er-Jia Guo) with International Young Scientist Fellowship. Dr. Dongha Kim will join Center for Energy Materials Research, KIST (supervisor: Dr. Deok-Hwang Kwon).

(230727) Dongha published a new paper. The title is "Stable supercapacity of binder-free TiO2(B) epitaxial electrodes for all-solid-state nanobatteries." https://doi.org/10.1021/acs.nanolett.3c00596

(230626) Summer intern - 안세영 (Chonnam Univ.).

(230509) Songhee and Youngkyoung registered a new Korean patent. The title is "Correlation-driven infrared transparent conductor and preparing method of the same."

(230505) Dongha published a new paper. The title is "Solid-state catalytic hydrogen sponge effects in BaInO2.5 epitaxial films." https://doi.org/10.1002/adfm.202300819

(230301) We started a new project "BK21 graduate program for new functional intelligent semiconductor (BK21 신기능 지능형 반도체 인력 양성 사업단)" supported by Ministry of Education (교육부).

(230227) Yuri won DGIST post-graduate research abroad award (대학원 해외파견 연구장학생 프로그램) and visited Department of Materials Science and Metallurgy, University of Cambridge, UK (Invitation: Prof. Judith L. MacManus-Driscoll) for the research collaboration in 27 Feb. 2023 - 29 Feb. 2024. 

(230227) New graduate students - 김윤영 (Yeungnam Univ.), 김찬우 (Konkuk Univ.), 성정현 (Konkuk Univ.).

(230216) Youngkyoung obtained a doctor's degree. For postdoctoral, Dr. Youngkyoung Ha will join Department of Solid State Quantum Electronics, Max Planck Institute of Solid State Research, Germany (supervisor: Prof. Jochen Mannhart).

(230215) Youngkyoung published a new paper. The title is "Strong conductivity enhancement of La-doped BaSnO3 transparent films on Al2O3 with the assistance of templated epitaxy for electromagnetic shielding in extreme environments." https://doi.org/10.1186/s40580-023-00355-9

(230101) Shinbuhm was selected as a visiting fellow commoner of Trinity College, University of Cambridge (1 Jan. - 30 Jun. 2023).

(221226) Winter intern - 김찬우, 성정현 (Konkuk Univ.).

(221219) Dongha and Youngkyoung won research excellence award (최우수연구상, Department of Physics and Chemistry, DGIST).

(221216) Youngkyoung won outstanding researcher award (우수연구자상, Graduate school, DGIST).

(221213) Youngkyoung published a new paper. The title is "Vertically aligned nanocomposite films by self-assembled epitaxial nucleation for super-broadband transparent conductors." https://doi.org/10.1002/inf2.12390

(221108) Songhee won KPS-KOFWST young researcher award (젊은연구자상, Korean Physical Society). KPS NEWS 

(221103) Songhee won best oral presentation award (우수발표상) at Korean Physical Society Meeting.

(220914) Youngkyoung published a new paper. The title is "Stable correlated 4d2 SrMoO3 films epitaxially coated on Al2O3 for electromagnetic shielding and transparent conductors." https://doi.org/10.1002/admi.202200893

(220828) Shinbuhm had a sabbatical visit at Department of Materials Science and Metallurgy, University of Cambridge, UK (Invitation: Prof. Judith L. MacManus-Driscoll).

(220808) Youngkyoung published a new paper. The title is "Infrared transparent and electromagnetic shielding correlated metals via lattice-orbital-charge coupling." https://doi.org/10.1021/acs.nanolett.2c01487

(220710) Dongha published a new paper. The title is "Stable Sn-doped In2O3 films coated on Al2O3 for infrared transparent and electromagnetic shielding conductors." https://doi.org/10.1016/j.apsusc.2022.154149

(220627) Summer intern - 김윤영 (Yeungnam Univ.), 김해수 (Sungshin Women’s Univ.), 박소정 (Korea Univ.), 전재현 (Pusan Nat'l Univ.), 정성욱 (Kyungpook Nat'l Univ.).

(220601) Songhee was the recipient of research subsidies for Ph.D. candidates (박사과정생 연구장려금 지원 사업, Ministry of Education 교육부). The new project is "Ultrafast synaptic devices by controlling proton transport tunnels (양성자 수송 터널 조절에 의한 초고속 시냅스 소자)".

(220501) We started a new project "Piezoelectric MEMS energy harvester for powering sensors in electric vehicles (전기차 적용 다중 센서들의 전력 공급을 위한 압전 MEMS 에너지 포집 기술)" supported by DGIST.

(220421) Dongha published a new paper. The title is "Single-crystalline-level properties of ultrathin SrRuO3 flexible membranes with wide and clean surface." https://doi.org/10.1038/s41528-022-00155-x

(220301) We started a new project, "Magnetics initiative life care research center (자성기반 라이프케어 연구센터)" supported by Ministry of Science and ICT (과학기술정보통신부). 

(220228) New graduate students - 박재우 (Pusan Nat'l Univ.), 전유리 (Ajou Univ.), 전진경 (Kwangwoon Univ.).

(220101) We started a new project "Ferroelectric topological quantum devices with ultra-low power consumption, super-intelligence, and CMOS compatibility for carbon neutrality (탄소 중립을 위한 초저전력, 초지능, CMOS 호환 강유전성 위상 양자 소자)" supported by DGIST. 

(211227) Winter intern - 전진경 (Kwangwoon Univ.)

(211220) Youngkyoung won research excellence award (최우수연구상, Department of Emerging Materials Science, DGIST).

(211020) Youngkyoung won female graduate student award (우수여성대학원생상, Korean Physical Society). KPS NEWS

(211018) Shinbuhm and Songhee contributed a new article to 'Synchrotron Radiation Science and Technology (방사광 과학과 기술).' The title is "Infrared transparent conductors using correlated vanadium Wadsley polymorphs (전자 사이에 상호 작용을 갖는 바나듐 Wadsley 동질이상체를 이용한 적외선 투명 전도체의 개발)." https://kosua.postech.ac.kr/ckfinder/userfiles/files/21283_3.pdf

(211016) Songhee won best poster award (우수발표상) at Applied Physics Symposium (Korean Physical Society). 

210927) We started a new project "Foundry platform for CMOS convergence devices (CMOS기반 융합디바이스 제작 플랫폼 구축)" supported by Ministry of Science and ICT (과학기술정보통신부). 

(210905) Shinbuhm won academic award (우수학술상, DGIST). Youngkyoung won best student award (최우수학생상, DGIST). 

(210630) Intern - 황수빈 (DGIST).

(210621) Summer intern - 김수빈 (Korea Univ.).

(210601) Youngkyoung was the recipient of research subsidies for Ph.D. candidates (박사과정생 연구장려금 지원 사업, Ministry of Education 교육부). The new project is "Transparent solar cells using nano-segmented structures (나노 선분 구조를 이용한 투명 태양 전지)". DGIST NEWS

(210308) Youngkyoung published a new paper. The title is "Design principles for the enhanced transparency range of correlated transparent conductors." https://doi.org/10.1002/lpor.202000444

(210304) We started a new project, "All solid-state correlated ionotronics (전고체 강상관전자계 이오노트로닉스)" supported by Ministry of Science and ICT (과학기술정보통신부).

(210301) We started a new project, "Physical design of bio-mimetic ionic devices (생체 모방 이온 소자의 물리학적 설계)" supported by Ministry of Science and ICT (과학기술정보통신부).

(210212) Jaehyun and Youngkyoung published a new paper. The title is "Hydrogen control of double exchange interaction in La0.67Sr0.33MnO3 for ionic-electric-magnetic coupled applications." https://doi.org/10.1002/adma.202007606

(210111) Winter intern - 조민석 (Korea Univ.).

(210101) We started a new project "Nano-structural design for enhancement of metals’ transparency (금속의 투명성 향상을 위한 나노 구조적 설계)" supported by DGIST.

(201224) Youngkyoung won outstanding student award (우수학생상, Graduate school, DGIST). 

(201218) Youngkyoung (최우수연구상), Songhee, and Dongha (우수연구상) won research excellence award (Department of Emerging Materials Science, DGIST).

(200929) Shinbuhm published a new paper. The title is "Templated epitaxy of TiO2(B) on a perovskite." https://doi.org/10.1063/5.0021670

(200821) Jaehyun obtained a master's degree. For Ph.D student, Jaehyun will join Department of Physics, KAIST (supervisor: Prof. Chan-Ho Yang).

(200616) Songhee published a new paper. The title is "Tunable resistivity of correlated VO2(A) and VO2(B) via tungsten doping." https://doi.org/10.1038/s41598-020-66439-2

(200526) Youngkyoung published a new paper. The title is "Oxygen-vacancy-endurable conductors with enhanced transparency using correlated 4d2 SrMoO3 thin films." https://doi.org/10.1002/adfm.202001489

(200515) We started a new project "Heat resistance improvement of conductive oxide materials (전도성 산화물 내열 특성 향상 연구)" supported by Agency for Defense Development (국방과학연구소).

(200501) We started a new project "Neuromorphic devices for intelligent semiconductors (지능형반도체 개발을 위한 뉴로모픽소자 기술 연구)" supported by DGIST.

(200416) Songhee published a new paper. The title is "High infrared transparency up to 8-micrometer-wavelength in correlated vanadium Wadsley conductors." https://doi.org/10.1063/1.5136059

(200319) Dongha published a new paper. The title is "Persistent metallic Sn-doped In2O3 epitaxial ultrathin films with enhanced infrared transmittance." https://www.nature.com/articles/s41598-020-61772-y

(200106) Winter intern - 유근택 (Pusan Nat'l Univ.).

(191218) Songhee won research excellence award (우수연구상, Department of Emerging Materials Science, DGIST).

(190911) Songhee published a new paper. The title is "Degradation mechanism of vanadium oxide films when grown on Y‐stabilized ZrO2 above 500oC." https://doi.org/10.1002/adem.201900918

(190725) Youngkyoung won best poster award (우수포스터상) in emerging materials science student workshop.

(190624) Summer intern - 허평강 (Incheon Nat'l Univ.).

(190604) Songhee published a new paper. The title is "Sharp contrast in the electrical and optical properties of vanadium Wadsley (VmO2m+1, m > 1) epitaxial films selectively stabilized on (111)-oriented Y-stabilized ZrO2." https://doi.org/10.1103/PhysRevMaterials.3.063401

(190131) Songhee obtained a master's degree. Let's take a long trip for Ph.D degree.

(190102) Winter intern - 이언지 (Dankook Univ.).

(190101) We started a new project "HfO2-based multiferroic tunnel junction with ultralow power consumption, ultrahigh intelligence, and CMOS compatibility (HfO2 강유전성 기반의 초저전력, 초지능, CMOS 호환 가능한 다강체 터널 메모리 소자 개발)" supported by Samsung Electronics.

(181123) Songhee won best poster award (우수포스터상) in emerging materials science student workshop.

(180827) New graduate student - 하영경 (Pusan Nat'l Univ.).

(180702) Summer intern - 하영경 (Pusan Nat'l Univ.), 김도훈 (DGIST).

(180601) We started a new project "HfO2-based ferroelectric tunnel junction and improvement of on-current and on/off resistance ratio (HfO2 기반 강유전성 터널 소자 개발과 on-전류, on/off 저항 비율 향상)" supported by Ministry of Education (교육부).

(180501) Shinbuhm contributed a new article to 'Physics and High Technology (물리학과 첨단기술).' The title is "Growth and applications of vertically aligned oxide heterostructure films (수직으로 정렬된 산화물 이종접합 박막의 성장과 응용)." https://webzine.kps.or.kr/?p=4&idx=33

(180430) Songhee published a new paper. The title is "Electrical and optical properties of VO2 polymorphic films grown epitaxially on Y‐Stabilized ZrO2." https://doi.org/10.1002/aelm.201700620

(180226) New graduate students - 김동하 (Seoul Nat'l Univ. of Science and Technology), 이재현 (Kyungpook Nat'l Univ.).

(180102) Winter intern - 김동하 (Seoul Nat'l Univ. of Science and Technology).

(170929) We started a new project "Infrared transparent oxide materials for RF shielding (RF 차폐형 적외선 투과 산화물 소재에 관한 연구)" supported by Agency for Defense Development (국방과학연구소).

(170703) Summer intern - 이재현 (Kyungpook Nat'l Univ.), 장주희 (DGIST).

(170227) New graduate student - 최송희 (Chungbuk Nat'l Univ.).

(170102) Winter intern - 최송희 (Chungbuk Nat'l Univ.).

(240405) Spring is comming with cherry blossom in DGIST!! Facebook 

(240329) X-ASINA collaboration workshop. Facebook