Helium Ion Microscopy for Graphene Characterization and Modification

2015 ◽  
pp. 220-251
Keyword(s):  
Helium Ion ◽  
Ion Microscopy

HIMaging the kidney: High resolution helium ion microscopy

2014 ◽  
pp. 32-35
Author(s):  
Teodor Paunescu ◽  
Sylvie Breton ◽  
Dennis Brown
Keyword(s):  
High Resolution ◽  
Helium Ion ◽  
Ion Microscopy

scholarly journals Helium ion microscopy and its application to nanotechnology and nanometrology

Scanning ◽  
2008 ◽  
Vol 30 (6) ◽  
pp. 457-462 ◽  
Author(s):  
Michael T. Postek ◽  
Andras E. Vladár
Keyword(s):  
Helium Ion ◽  
Ion Microscopy

Have an Ion on It: The Life‐Cycle ofBdellovibrio bacteriovorusViewed by Helium‐Ion Microscopy

2018 ◽  
Vol 3 (1) ◽  
pp. 1800250 ◽  
Author(s):  
Nedal Said ◽  
Antonis Chatzinotas ◽  
Matthias Schmidt
Keyword(s):  
Life Cycle ◽  
Helium Ion ◽  
Ion Microscopy

scholarly journals Comparison of multilayered nanowire imaging by SEM and Helium Ion Microscopy

2010 ◽  
Vol 241 ◽  
pp. 012080
Author(s):  
B J Inkson ◽  
X Liu ◽  
Y Peng ◽  
M A E Jepson ◽  
C Rodenburg
Keyword(s):  
Helium Ion ◽  
Ion Microscopy

scholarly journals Helium Ion Microscopy of proton exchange membrane fuel cell electrode structures

2017 ◽  
Vol 4 (6) ◽  
pp. 1289-1304 ◽  
Author(s):  
Serguei Chiriaev ◽  
◽  
Nis Dam Madsen ◽  
Horst-Günter Rubahn ◽  
Shuang Ma Andersen ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Helium Ion ◽  
Fuel Cell Electrode ◽  
Ion Microscopy ◽  
Cell Electrode ◽  
Exchange Membrane

scholarly journals Scanning reflection ion microscopy in a helium ion microscope

2015 ◽  
Vol 6 ◽  
pp. 1125-1137 ◽  
Author(s):  
Yuri V Petrov ◽  
Oleg F Vyvenko
Keyword(s):  
Charge Compensation ◽  
Experimental Setup ◽  
Atomic Composition ◽  
Angle Of Incidence ◽  
Geometrical Analysis ◽  
Platinum Surface ◽  
Secondary Electrons ◽  
Surface Steps ◽  
Helium Ion ◽  
Ion Microscopy

Reflection ion microscopy (RIM) is a technique that uses a low angle of incidence and scattered ions to form an image of the specimen surface. This paper reports on the development of the instrumentation and the analysis of the capabilities and limitations of the scanning RIM in a helium ion microscope (HIM). The reflected ions were detected by their “conversion” to secondary electrons on a platinum surface. An angle of incidence in the range 5–10° was used in the experimental setup. It was shown that the RIM image contrast was determined mostly by surface morphology but not by the atomic composition. A simple geometrical analysis of the reflection process was performed together with a Monte Carlo simulation of the angular dependence of the reflected ion yield. An interpretation of the RIM image formation and a quantification of the height of the surface steps were performed. The minimum detectable step height was found to be approximately 5 nm. RIM imaging of an insulator surface without the need for charge compensation was successfully demonstrated.

Biosynthesis of Gold Nanoparticles with Serratia marcescens Bacteria

2015 ◽  
Vol 1132 ◽  
pp. 19-35
Author(s):  
S.O. Dozie-Nwachukwu ◽  
J.D. Obayemi ◽  
Y. Danyo ◽  
G. Etuk-Udo ◽  
N. Anuku ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Serratia Marcescens ◽  
Visible Spectroscopy ◽  
X Ray ◽  
Color Changes ◽  
Transmission Electron ◽  
Helium Ion ◽  
Ph Conditions ◽  
Uv Visible ◽  
Ion Microscopy

This paper presents the biosynthesis of gold nanoparticles from the bacteria, Serratia marcescens.The intra-and extra-cellular synthesis of gold nanoparticles is shown to occur over a range of pH and incubation times in cell-free exracts and biomass ofserratia marcescensthat were reacted with 2.5mM Tetrachloroauric acid (HAuCl4). The formation of gold nanoparticles was identified initially via color changes from yellow auro-chloride to shades of red or purple in gold nanoparticle solutions. UV-Visible spectroscopy (UV-Vis), Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray spectroscopy (EDS), Helium Ion Microscopy (HIM) and Dynamic Light Scattering (DLS) were also used to characterize gold nanoparticles produced within a range of pH conditions. The results show clearly that the production of gold nanoparticles from cell-free extracts require shorter times than the production of gold nanoparticles from the biomass.

scholarly journals Characterization and Fabrication of Nano-Device Materials by Helium Ion Microscopy Technology

Hyomen Kagaku ◽  
2015 ◽  
Vol 36 (12) ◽  
pp. 631-636
Author(s):  
Shinichi OGAWA
Keyword(s):  
Helium Ion ◽  
Ion Microscopy

scholarly journals Acoustic attenuation spectroscopy and helium ion microscopy study of rehydration of dairy powder

2020 ◽  
Vol 600 ◽  
pp. 124795 ◽  
Author(s):  
Zachary J. Glover ◽  
Mathew J. Francis ◽  
Jacek Fiutowski ◽  
Qinxin Sun ◽  
Qinya Yu ◽  
...  
Keyword(s):  
Microscopy Study ◽  
Acoustic Attenuation ◽  
Helium Ion ◽  
Ion Microscopy
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