ACS Nano, DOI: 10.1021/nn204476h

Nano Lett., DOI: 10.1021/nl201376j

Xiao Hua Liu and Jian Yu Huang, Energy Environ. Sci., 2011, DOI: 10.1039/C1EE01918J

Dear colleagues,

we recently published a paper on measuring bulk properties of irradiated copper from nanoscale samples:

http://www.nature.com/nmat/journal/vaop/ncurrent/full/nmat3055.html

Hope you find this interesting!

Daniel

PRL 106, 248302 (2011)     The atomic scale lithiation mechanism of individual SnO2 nanowires in a flooding geometry was revealed by in situ transmission electron microscopy. The lithiation was initiated by the formation of multiple stripes with a width of a few nanometers parallel to the (020) plane traversing the entire wires, serving as multiple reaction fronts for later stages of lithiation. Inside the stripes, we identified a high density of dislocations and enlarged interplanar spacing, which provided an effective path for lithium ion transport.

Nature Communications 1, Article number:144 | DOI:10.1038/ncomms1149

Although deformation processes in submicron-sized metallic crystals are
well documented, the direct observation of deformation mechanisms in
crystals with dimensions below the sub-10-nm range is currently lacking.
Here, through in situ high-resolution transmission electron
microscopy (HRTEM) observations, we show that (1) in sharp contrast to
what happens in bulk materials, in which plasticity is mediated by
dislocation emission from Frank-Read sources and multiplication, partial
dislocations emitted from free surfaces dominate the deformation of

Huang et al, Science 330, 1515-1520 (2010) (download pdf , or online version);Read a perspective written by Prof. Yet-Ming Chiang, Science 330, 1485 (2010);

Phys. Rev. Lett. 105, 106102 (2010) 

What does a dislocation look like in a spherical geometry, and how does it migrate in such a structure? We report here the counterintuitive motion of the 1/2⟨0001⟩ edge dislocation in carbon onions from the outer surface to the inner core, i.e. from a low pressure surface to a high pressure core, rather than from the core to the surface as expected due to a surface image force. Maybe you can help us to explain this peculiar phenomenon.

Nature Nanotechnology, Feb. 14, 2010. DOI: 10.1038/NNANO.2010.4, Yang Lu, Jian Yu Huang, Chao Wang, Shouheng Sun and Jun Lou

PNAS 106, 10103 (2009), doi:10.1073/pnas.0905193106, http://www.youtube.com/watch?v=dPJBalMZ824&feature=channel_page,    http://www.nanowerk.com/news/newsid=11108.php

Nano Letters 9, 2295 (2009), 10.1021/nl9004805, http://www.rsc.org/chemistryworld/News/2009/May/26050903.asp, http://www.nytimes.com/2009/07/07/science/07obsalt.html, http://www.sciencenews.org/view/generic/id/45132/title/Salt_stretches_in..., http://www.sandia.gov/LabNews/090605.html, http://www.newscientist.com/article/dn17374-salt-crystals-reveal-surpris..., http://www.youtube.com/watch?v=OGcFCD8E7o8