NGUYEN2 |
FERROMAGNETIC PROPERTIES DEPENDENCE ON SHAPES OF NANOPARTICLES |
Type |
Experimental |
#students |
1 |
Orientation |
We have successfully generated 5-50 nm shape variant nanoparticles (NPs) (1).
Figure 1. Formation of spherical (a), cubic (b), octopod-cubic (c), star (d), rod (e) and bilobar (f) Fe–Pt NPs. The image of the Fast Fourier Transform (FFT) of self-assembled NPs in the inset of (a) indicate that they were in a fcc structure. The inset of (d) shows zoom-in view on a few nanostars. 1. D. Ung, L.D. Tung, G. Caruntu, D. Delapostas, Y. Alexandrous, I. Prior, N.T.K. Thanh (2009) Variant shape growth of nanoparticles of metallic Fe-Pt, Fe-Pd and Fe-Pt-Pd alloys . CrystEngComm. vol 11 pp 1309-1316 |
How |
It is interesting to compare the
properties of ferromagnetic particles with different shapes to understand how
the magnetisation reversal can be controlled by sample geometry. Therefore,
it is a challenge to synthesise MNPs of the same compositions but with different
shapes to study the shape dependence. |
What |
Student
will learn to synthesise nanoparticles and characatersise them with TEM, XRD,
SQUID, and elemetal analysis. The study will be
conducted in a modern lab at The Royal Institution of Great Britain which has a long and distinguished 200 year
history, including the award of 14 Nobel Prizes, the discovery of 10
elements, and the invention of the electric generator, to name just a few of
many seminal achievements. For more
details, you can go to Prof Thanh website: http://www.ntk-thanh.co.uk. The
student can make informal contact by emailing Prof Thanh: ntk.thanh@ucl.ac.uk |
Special Knowlegde |
Chemistry
A level at least, open minded and willing to learn |
Supervisor |
Prof Nguyen TK Thanh |