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Liu, C. (author), Malladi, S.R.K. (author), Xu, Q. (author), Chen, Jianghua (author), Tichelaar, F.D. (author), Zhuge, Xiaodong (author), Zandbergen, H.W. (author)
Age-hardening in Al alloys has been used for over a century to improve its mechanical properties. However, the lack of direct observation limits our understanding of the dynamic nature of the evolution of nanoprecipitates during age-hardening. Using in-situ (scanning) transmission electron microscopy (S/TEM) while heating an Al-Cu alloy, we...
journal article 2017
document
Kabiri, Y. (author), Ananth, A.N. (author), van der Torre, J. (author), Katan, A.J. (author), Hong, Jin Yong (author), Malladi, S.R.K. (author), Kong, Jing (author), Zandbergen, H.W. (author), Dekker, C. (author)
While graphene may appear to be the ultimate support membrane for transmission electron microscopy (TEM) imaging of DNA nanostructures, very little is known if it poses an advantage over conventional carbon supports in terms of resolution and contrast. Microscopic investigations are carried out on DNA origami nanoplates that are supported...
journal article 2017
document
Malladi, S. (author), Shen, C. (author), Xu, Q. (author), De Kruijff, T. (author), Yücelen, E. (author), Tichelaar, F. (author), Zandbergen, H. (author)
An approach to carry out chemical reactions using aggressive gases in situ in a transmission electron microscope (TEM), at ambient pressures of 1.5 bar using a windowed environmental cell, called a nanoreactor, is presented here. The nanoreactor coupled with a specially developed holder with platinum tubing permits the usage of aggressive...
journal article 2013
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Rudneva, M. (author), Van Veldhoven, E. (author), Malladi, S.K. (author), Maas, D. (author), Zandbergen, H.W. (author)
In this article, we present novel sample preparation methods using a helium ion microscope (HIM). We report the possibility of reshaping, at room temperature, thin metal lines on an electron-transparent membrane: A set of platinum bridges with standard geometry (300X200X15 nm) was modified at room temperature into different shapes using focused...
journal article 2013
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