logo

korean english

게시판

Home > 게시판 > 세미나

아래와 같이 콜로퀴움을 개최하오니 많이 참석해 주시기 바랍니다.


4시 20분부터 제1과학관 31214 e+강의실에서 간단한 다과를 제공합니다.


아 래


Title: Mixed metal oxide films for energy and memory device applications


Speaker: 조  승  호 교수님  (UNIST 신소재공학과)


Date & Time: Nov. 15. (Wed.) 2017, 4:30 PM


Place: Natural Science 1,  Room No. 31214


Abstract:

Metal oxides are abundant in nature and exhibit high chemical and thermal stabilities. Furthermore, the metal elements are able to form a large diversity of oxides. These can adopt a vast number of structural geometries with an electronic structure that can exhibit metallic, semiconductor or insulator characters. In particular, ‘mixed metal oxides’ such as solid solutions and composites can be useful in a wide range of technology areas because of their greater flexibility on properties and multi-functionalities (i.e., more freedom to tune or enhance functionalities that cannot be obtained from individual constituents). In this talk, I will introduce mixed metal oxide (solid solution and self-assembled heteroepitaxial nanocomposite) thin films grown by pulsed laser deposition for investigating photocatalytic activities and resistive switching properties of the materials. ‘BiFeO3 and SrTiO3’ without phase separation and ‘ZnFe2O4 and SrTiO3’ with phase separation were chosen as model oxide combinations and their photoelectrochemical water splitting activities were investigated. In addition, electroforming-free resistive switching was achieved by using ‘Sm-doped CeO2 and SrTiO3’ nanocomposites. The resistive switching behaviors were controlled by Sm-dopant concentrations. Resistive switching and growth mechanisms of the Sm-doped CeO2 and SrTiO3 nanocomposites will be discussed.



번호 제목 날짜 조회 수
공지 <12/8(Thu.) 11:00am>노벨상 소개 강연 - 2016년 노벨 물리학상: 위상 응집 물리의 탄생 2016.11.28 1079716
91 <Nov. 23(Wed.) 4:30 PM> Dry (Plasma) etch process in Semiconductor Device 2016.11.16 62281
90 <4/1(수) 오후4:30분> 과학기술과 미디어 2015.03.26 62183
89 <5/6(수) 오후4:30분> 빛의 여행 2015.04.29 62071
88 <Oct.7(Wed.)>Organic Photodiode for Image Sensor 2020.09.24 61409
87 <3/25(수) 오후4:30분> 슈퍼컴퓨터와 국가경쟁력 2015.03.19 61380
86 <12/3(수)> 진공은 무( 無)로 채워지지 않았다. 힉스입자를 찾아서 2014.11.27 61079
85 <4/29(수) 오후4:30분> 양자정보 2015.04.23 60748
84 <Nov. 4(Wed.) 4:30 PM> 기능성 산화물과 그래핀을 접합한 나노소자의 특성 변화 2015.10.30 60693
83 <5/13(수) 오후4:30분> 내가 몰랐던 대한민국 2015.05.07 59167
82 <March. 23(Wed.) 4:30 PM> 조선시대의 천문시계 2016.03.17 57246
81 <Dec.13(Wed.) 4:30 PM>기본에 충실하고 새로움에 도전한다 - 자율주행자동차의 핵심 기술들 – 2017.12.07 56716
80 <Mar. 22(Wed.) 4:30 PM>Symmetry and topology in the electronic structure of solids 2017.03.15 56652
79 <Sep. 21(Wed.) 4:30 PM>광자질량의 물리학 2016.09.19 56369
78 <Mar.20(Wed.)> Connecting Thermoelectricity and Superconductivity by Pressure Bridge 2019.03.13 56340
77 <March. 9(Wed.) 4:30 PM>가치 있는 대학 생활이란 무엇인가? file 2016.03.07 56228
76 <May 10(Wed.) 4:30 PM>Trend and beyond of semiconductor technology (반도체 미세화 및 신기술 동향) 2017.05.04 56165
75 <Mar.24(Wed.)> A tale of quantum magnets 2021.03.18 55799
74 <Nov. 2(Wed.) 4:30 PM> 현대 우주론 이론과 관찰 (Theories and observations of modern cosmology) 2016.10.19 55561
73 <June 8(Wed.) 4:30 PM> 세계와 우리나라 우주개발 도전 2016.06.01 55309
72 <April. 27(Wed.) 4:30 PM> 로봇과 함께 살아갈 미래 2016.04.22 54729