引用:
原帖由 pengyi737 于 2007-11-8 12:05 发表 
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Postdoc Position Opening in the Physics Department, Hong Kong University% r" a1 V( o. w- T9 I' h
of Science and Technology
: a! C+ G8 X# |1 f; F8 JStarting date: any time from now to June 2008.$ Y! U$ d. y, l. t J
Salary range: US$24000-32000/year. Period: 1-3 year ...
Postdoc Position Opening in the Physics Department, Hong Kong University
9 w* [3 ~9 Q7 bof Science and Technology
0 w# w2 M! c4 Q/ L# A$ u2 ^Starting date: any time from now to June 2008.
7 Z- n9 F4 T* }8 N2 oSalary range: US$24000-32000/year. Period: 1-3 years.
2 H) \6 i2 |% ]9 L1 V+ J; \. CResearch topics: 1. Video Microscopy Investigation of Phase Behavior in
3 N5 X2 W. ]! k. `Temperature-Sensitive Colloids. 2. Geometrical Frustration in Model
/ g1 V6 n1 H1 s$ ~Systems.
/ J. r; R0 ^, ^# {# U& Ihttp://www.phys.ust.hk/yilong/ k! u! ^3 t+ G' B" M% U
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We use digital video microscopy to study microscopic details of melting
8 o4 t6 u+ [; s Kand nucleation of colloidal crystals. The diameter of our novel colloidal
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spheres (i.e. “big atoms”) can be tuned by temperature. Our collaborators
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have studied the melting behavior of polycrystals with these novel spheres
8 U2 v$ J- G$ e) `: m+ r% }(Cover of Science 309, p1207, 2005). The next step is to study the melting
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behaviors of single 3D crystals, superheated 3D crystals, several-layer
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thin crystal films and free-floating crystal blobs. Our preliminary
% w! y5 c# V g% C5 } Presults showed that these systems exhibited very rich phenomena that are
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of fundamental interest. Our collaborator, Prof. Arjun Yodh at the
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University of Pennsylvania, will provide the colloids.
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Geometrical frustration was mainly investigated in magnetic spin systems.
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Recently its static properties were measured in a mesoscopic model system
( L$ W7 z8 F% ~7 h: y(Cover of Nature, 439, p303, 2006) with “single-spin resolution”. We will
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construct a few different experimental model systems and study the
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dynamics and boundary condition effects of geometrical frustration at
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“single-spin resolution”.
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Candidates with some experience about video microscopy, colloids, optical
% a' {- F& B8 s- f" G* A6 N1 z2 ]tweezer, spin frustration, or computer simulations are preferred. Our
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experiments are like MD simulations which measure the trajectories of all
7 d8 A" @* ^# E2 B+ h“atoms” or “spins”, thus a candidate with some simulation backgrounds can
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also fit the position well.
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3 }7 g% T8 u6 TTo apply, please send
* d' R4 k0 b" }' \1. a curriculum vitae with full list of publications.
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2. the names and contacts of the references.
) k$ u y7 r7 P# T$ b* Uto:
yilong@ust.hk
