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transmission electron microscopy

Introduction and Applications of Low-kV High-Resolution Transmission Electron Microscopy

Introduction and Applications of Low-kV High-Resolution Transmission Electron Microscopy

... (scanning transmission electron microscopy)에 주로 장착 되어 sub-angstrong의 분해능을 보일 수 있다는 사실이 보 ...경우, electron energy loss spectroscopy(EELS), energy dispersive spectroscopy(EDS) 등의 spectroscopy와 ...

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Transmission Electron Microscopy Characterization of Early Pre-Transition Oxides Formed on ZIRLO

Transmission Electron Microscopy Characterization of Early Pre-Transition Oxides Formed on ZIRLO

... scanning transmission electron microscopy (STEM), in-situ transmission electron microscopy (in-situ TEM) with the focused ion beam (FIB) technique, and X-ray diffraction ...

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Microstructure analyses of aluminum nitride (AlN) using transmission electron microscopy (TEM) and electron back-scattered diffraction (EBSD)

Microstructure analyses of aluminum nitride (AlN) using transmission electron microscopy (TEM) and electron back-scattered diffraction (EBSD)

... exist. Transmission electron microscopy (TEM) and electron back-scattered diffraction (EBSD) analyses were employed to investigate the overall crystalline quality and various kinds of ...

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Characterization of Basal Plane Dislocations in PVT-Grown SiC by Transmission Electron Microscopy

Characterization of Basal Plane Dislocations in PVT-Grown SiC by Transmission Electron Microscopy

... Abstract 4H- and 6H-SiC grown by physical vapor transport method were investigated by transmission electron microscopy (TEM). From the TEM diffraction patterns observed along the [11-20] zone axis, ...

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Micro-morphological Features of Liquid Urea-Formaldehyde Resins during Curing Process at Different Levels of Hardener and Curing Time Assessed by Transmission Electron Microscopy

Micro-morphological Features of Liquid Urea-Formaldehyde Resins during Curing Process at Different Levels of Hardener and Curing Time Assessed by Transmission Electron Microscopy

... used transmission electron microscopy (TEM) to investigate the micro-morphological features of two formaldehyde to urea (F/U) mole ratio liquid urea-formaldehyde (UF) resins with three hardener ...

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Transmission Electron Microscopy for Soft Nanomaterials

Transmission Electron Microscopy for Soft Nanomaterials

... 투과전자현미경(transmission electron microscope, TEM)이 최근 5년 동안 약 60대 이상 국내에 서 설치되었음을 통해 가늠할 수 ...주사전자현미경(scanning electron microscope) 과 더불어 나노구조에 따른 물리적, 화학적 소재 특성의 상관관계를 규명할 수 있는 강력한 분석기기중의 하나 ...

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Current Status of Liquid-cell Transmission Electron Microscopy

Current Status of Liquid-cell Transmission Electron Microscopy

... 특히 고 분해능 액상 (Liquid Cell) 투과전자현미경 (Transmission Electron Microscope: TEM)을 이용한 연구를 통해, 액체 안에서 일어나는 소재의 성장 및 반응과정을 원자수준레.. 벨의 실시간 관찰이 가능하게 되었다.[r] ...

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Comprehensive Structural Characterization of Commercial Blue Light Emitting Diode by Using High-Angle Annular Dark Filed Scanning Transmission Electron Microscopy and Transmission Electron Microscopy

Comprehensive Structural Characterization of Commercial Blue Light Emitting Diode by Using High-Angle Annular Dark Filed Scanning Transmission Electron Microscopy and Transmission Electron Microscopy

... By using the Z-contrast intensity profile of Cs-corrected high-angle annular dark field scanning transmission electron microscope(HAADF-STEM) images from a commercial lateral GaN-based b[r] ...

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Transmission Electron Microscopy of Asian Dust Particle Specimens Prepared by Focused Ion Beam

Transmission Electron Microscopy of Asian Dust Particle Specimens Prepared by Focused Ion Beam

... (b) Particle surface magnified from the box in a, showing the thick coatings of clay minerals and nanofiber calcite (SEM image).. (c) TEM image of the slice prepared by FIB, showing the[r] ...

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Application of environmental cell transmission electron microscopy (EC-TEM) and electron energy loss spectroscopy (EELS) to mineral reactions and redox chemistry

Application of environmental cell transmission electron microscopy (EC-TEM) and electron energy loss spectroscopy (EELS) to mineral reactions and redox chemistry

... study (1998). Fe-L 23 edges of Annite(11% of Fe(III)) and Muscovite(41% of Fe(III)) standards were newly obtained and the integral ratio of L 3 and L 2 of each standard was plotted as a function of Fe-oxidation state(van ...

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[신기술 소개] 4D STEM(Scanning Transmission Electron Microscopy) 기술을 이용한 원자/분자 구조 Direct Imaging 기술

[신기술 소개] 4D STEM(Scanning Transmission Electron Microscopy) 기술을 이용한 원자/분자 구조 Direct Imaging 기술

... 4D STEM 기술 은 그림 1에서와 같이 기존의 TEM 장비의 빔을 스캔 하면서 시편 표면의 이미지를 얻고, 동시에 회절 패 턴 정보를 바탕으로 해당 부위의 원자수준 이미지를 재구성함으로써 부드러운 소재들을 손상시키지 않 으면서도 원자 크기 1/4 수준의 높은 해상도를 달성.. 4D STEM(Scanning Transmissio[r] ...

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Damage of Minerals in the Preparation of Thin Slice Using Focused Ion Beam for Transmission Electron Microscopy

Damage of Minerals in the Preparation of Thin Slice Using Focused Ion Beam for Transmission Electron Microscopy

... 정기영(Gi Young Jeong) * 안동대학교 지구환경과학과 (Department of Earth and Environmental Sciences, Andong National University, Andong, Korea) 요약 : 집속이온빔(FIB, focused ion beam)법은 광물 및 지질시료의 분석 대상 위치로부터 투과전자현 미경(TEM, transmission ...

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Liquid-Flowing Graphene Chip-Based High-Resolution Electron Microscopy

Liquid-Flowing Graphene Chip-Based High-Resolution Electron Microscopy

... The recent advances in liquid-phase transmission electron microscopy represent tremendous potential in many different fields and exciting new opportunities. However, achieving both high-resolution ...

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Graphene Liquid Cell Electron Microscopy of Initial Lithiation in Co3O4 Nanoparticles

Graphene Liquid Cell Electron Microscopy of Initial Lithiation in Co3O4 Nanoparticles

... under electron beam ...scanning transmission electron microscopy (HAADF −STEM) image and the corresponding energy-dispersive spectroscopy (EDS) mapping of C, O, F, P, and Co are shown in ...

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Dedicated preparation for in situ transmission electron microscope tensile testing of exfoliated graphene

Dedicated preparation for in situ transmission electron microscope tensile testing of exfoliated graphene

... situ transmission electron microscopy ...optical microscopy, Raman spectroscopy, and TEM, we demonstrate high quality exfoliated graphene on the PTP ...

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Electron Microscopy Pathology of ADSSL1 Myopathy

Electron Microscopy Pathology of ADSSL1 Myopathy

... 105 Electron Microscopy Pathology of ADSSL1 Myopathy Dear Editor, Inherited muscular disorder is a heterogeneous group of genetic disorders that primarily affect skeletal muscle ...

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Backscatter Electron Images of Electron Microscopy from Computerized Monte-Carlo Simulations

Backscatter Electron Images of Electron Microscopy from Computerized Monte-Carlo Simulations

... (Color online) (a)Different materials on the sub- strate, (b) Variation of backscattering yield with the po- sition of electron beam in aluminum, copper, gold on a silicon substrate (10 [r] ...

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Optimal Electron Beam Characteristics by Lenses Analysis Using Scanning Electron Microscopy

Optimal Electron Beam Characteristics by Lenses Analysis Using Scanning Electron Microscopy

... 초록: 이 논문은 SEM(Scanning Electron Microsopy) 경통부에서 전자빔의 집속특성을 최적화하기 위한 방 법을 다루고 있다. SEM 에서 물체 표면을 확대하기 위해서는 경통부를 지나는 전자빔을 효과적으로 집 속하여 표면에 충돌하는 프로브 직경을 줄이는 것이 중요하다. 이 전자빔의 집속정도를 나타내는 지표 가 반배율이다. 본 연구는 전자빔의 집속특성을 ...

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Analysis of Ceramics Using Scanning Electron Microscopy

Analysis of Ceramics Using Scanning Electron Microscopy

... field-emission electron gun)와, 열전자 방출 온도보다 낮은 1600~1800K 정도의 저온으로 가열하며 동시에 전기장을 걸어주는 쇼트키(Schottky) 또 는 TFEG(thermal field-emission electron gun)으로 다 시 구분된다(Table ...

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Surface treatment of feldspathic porcelain: scanning electron microscopy analysis

Surface treatment of feldspathic porcelain: scanning electron microscopy analysis

... Different SEM pat- terns in sandblasted and HF treated groups are due to the different types of surface treatment 28 because, as stated ear- lier, HF chemically reacts with the silica[r] ...

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