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951 Newest Publications about the topic transmission electron microscopes

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Noise reduction in CCD measurements by improving the quality of dark-reference images

13-Feb-2018 | Heil T, Tatlock G., Journal of Electron Microscopy, 2018

Abstract This publication is a systematic investigation of the effect the improvement of dark-reference images has on the resulting bright-field images. For this, data were acquired with three different charge-coupled device cameras attached to two different transmission electron microscopes. ...

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Imaging: History's take on the atomic forge

27-Jul-2017 | Michael Isaacson, Nature, 2017

Imaging: History's take on the atomic forge Nature 547, 7664 (2017). doi:10.1038/547403e Author: Michael Isaacson Sergei Kalinin and colleagues discuss the latest developments in manipulating matter at the nanoscale, using beams of ...

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In Situ Electron Driven Carbon Nanopillar-Fullerene Transformation through Cr Atom Mediation

12-Jul-2017 | Liang Zhao; Huy Q. Ta; Arezoo Dianat; Akash Soni; Artem Fediai; Wanjian Yin; Thomas Gemming; Barbara Trzebicka; Gian ..., Nano Letters, 2017

The promise of sp2 nanomaterials remains immense, and ways to strategically combine and manipulate these nanostructures will further enhance their potential as well as advance nanotechnology as a whole. The scale of these structures requires precision at the atomic scale. In this sense electron ...

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Retrieving overlapping crystals information from TEM nano‐beam electron diffraction patterns

04-Jul-2017 | A. VALERY, E. F. RAUCH, L. CLÉMENT, F. LORUT, Journal of Microscopy, 2017

Summary The diffraction patterns acquired with a transmission electron microscope (TEM) contain Bragg reflections related to all the crystals superimposed in the thin foil and crossed by the electron beam. Regarding TEM‐based orientation and phase characterisation techniques, the ...

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Photoresponsive biodegradable poly(carbonate)s with pendent o‐nitrobenzyl ester

24-Jun-2017 | Huihui Shen, Yingchun Xia, Zhouliang Qin, Juan Wu, Li Zhang, Yanbing Lu, Xinnian Xia, Weijian Xu, Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT Photoresponsive amphiphilic diblock poly(carbonate)s mPEG113‐b‐PMNCn with pendent o‐nitrobenzyl ester group were synthesized through ring‐opening polymerization (ROP) using 1,8‐diazabi‐cyclo[5.4.0]undec‐7‐ene (DBU) as catalyst and monomethoxy poly(ethylene glycol) (mPEG) as ...

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CuI heterogenized on thiosemicarbazide modified‐multi walled carbon nanotubes (thiosemicarbazide‐MWCNTs‐CuI): Novel heterogeneous and reusable nanocatalyst in the C‐N Ullmann coupling reactions

02-Dec-2016 | Hojat Veisi, Yalda Metghalchi, Malak Hekmati, Shiva Samadzadeh, Applied Organometallic Chemistry, 2016

Herein we described the synthesis of novel thiosemicarbazide‐MWCNTs‐CuI nanocatalyst by covalent grafting of thiosemicarbazide on carbon nanotubes surface and subsequent coordination with CuI catalyst. The formation of nanocatalyst was analyzed by Raman spectroscopy, energy dispersive ...

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Materials, Vol. 9, Pages 927: ZnO-Layered Double Hydroxide@Graphitic Carbon Nitride Composite for Consecutive Adsorption and Photodegradation of Dyes under UV and Visible Lights

15-Nov-2016 | Zhang, Luhong ; Li, Li ; Sun, Xiaoming ; Liu, Peng ; Yang, Dongfang ; Zhao, Xiusong, Materials, 2016

In this work, a ZnO-layered double hydroxide@graphitic carbon nitride composite (ZnO-LDH@C3N4) was synthesized via co-precipitation method with solvothermal treatment. The structure and morphology of ZnO-LDH@C3N4 composite were characterized using X-ray diffraction (XRD), Fourier transform ...

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Histological and ultrastructural features of the rectum in Poecilimon cervus Karabağ, 1950 (Orthoptera: Tettigoniidae)

06-Oct-2016 | Irmak Polat, Zekiye Suludere, Selami Candan, Microscopy Research and Technique, 2016

Abstract The morphology and ultrastructure of the rectum in Poecilimon cervus Karabağ, 1950 (Orthoptera, Tettigoniidae) were analyzed by light microscope, scanning (SEM) and transmission electron microscopes (TEM). The rectum is the final part of the digestive tract that plays an important ...

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Constituent elements and their distribution in the radioactive Cs-bearing silicate glass microparticles released from Fukushima nuclear plant

01-Oct-2016 | Toshihiro Kogure; Noriko Yamaguchi; Hiroyo Segawa; Hiroki Mukai; Satoko Motai; Kotone Akiyama-Hasegawa; Masanori Mit ..., Journal of Electron Microscopy, 2016

Microparticles of radioactive cesium (Cs)-bearing silicate glass emitted from the Fukushima Daiichi nuclear power plant were investigated mainly using state-of-the-art energy-dispersive X-ray spectroscopy in scanning transmission electron microscopes. Precise elemental maps of the particles were ...

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Reverse Monte Carlo reconstruction algorithm for discrete electron tomography based on HAADF‐STEM atom counting

20-Sep-2016 | F. MOYON, D. HERNANDEZ‐MALDONADO, M. D. ROBERTSON, A. ETIENNE, C. CASTRO, W. LEFEBVRE, Journal of Microscopy, 2016

Summary In this paper, we propose an algorithm to obtain a three‐dimensional reconstruction of a single nanoparticle based on the method of atom counting. The location of atoms in three dimensions has been successfully performed using simulations of high‐angle‐annular‐dark‐field images from ...

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