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Showing 25 to 36 of 704 entries
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Nanoscale shape and size control of cubic, cuboctahedral, and octahedral Cu-Cu2O core-shell nanoparticles on Si(100) by one-step, templateless, capping-agent-free electrodeposition.

ACS nano

Radi A, Pradhan D, Sohn Y, Leung KT.
PMID: 20166698
ACS Nano. 2010 Mar 23;4(3):1553-60. doi: 10.1021/nn100023h.

Cu-Cu2O core-shell nanoparticles (NPs) of different shapes over an extended nanosize regime of 5-400 nm have been deposited on a H-terminated Si(100) substrate by using a simple, one-step, templateless, and capping-agent-free electrochemical method. By precisely controlling the electrolyte concentration...

Exchange bias and blocking temperature in Co/FeMn/CuNi trilayers.

Physical review letters

Blamire MG, Ali M, Leung CW, Marrows CH, Hickey BJ.
PMID: 17677802
Phys Rev Lett. 2007 May 25;98(21):217202. doi: 10.1103/PhysRevLett.98.217202. Epub 2007 May 22.

Aspects of exchange bias between antiferromagnets and ferromagnets remain unclear despite recent research. An outstanding issue is the relationship between exchange bias and enhanced coercivity in the ferromagnetic layer. This Letter reports the unexpected finding that a substantial exchange...

Yet another algorithm which can generate topography map.

IEEE transactions on neural networks

Sum J, Leung CS, Chan LW, Xu L.
PMID: 18255722
IEEE Trans Neural Netw. 1997;8(5):1204-7. doi: 10.1109/72.623221.

This paper presents an algorithm to form a topographic map resembling to the self-organizing map. The idea stems on defining an energy function which reveals the local correlation between neighboring neurons. The larger the value of the energy function,...

A neural-based crowd estimation by hybrid global learning algorithm.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society

Cho SY, Chow TS, Leung CT.
PMID: 18252328
IEEE Trans Syst Man Cybern B Cybern. 1999;29(4):535-41. doi: 10.1109/3477.775269.

A neural-based crowd estimation system for surveillance in complex scenes at underground station platform is presented. Estimation is carried out by extracting a set of significant features from sequences of images. Those feature indexes are modeled by a neural...

Dynamic modifications of polarizability for large metallic spheroidal nanoshells.

The Journal of chemical physics

Chung HY, Leung PT, Tsai DP.
PMID: 19791867
J Chem Phys. 2009 Sep 28;131(12):124122. doi: 10.1063/1.3236528.

We present an approach alternative to the hybridization model for the treatment of the coupled interfacial plasmon modes in spheroidal metallic nanoshells. Rather than formulating the problem from the Lagrangian dynamics of the free electronic fluid, we adopt an...

Encoding method for bidirectional associative memory using projection on convex sets.

IEEE transactions on neural networks

Leung CS.
PMID: 18276517
IEEE Trans Neural Netw. 1993;4(5):879-81. doi: 10.1109/72.248465.

The traditional encoding method of bidirectional associative memory (BAM) suggested by Kosko (1988) is based on the correlation method with which the capacity is very small. The enhanced Householder encoding algorithm (EHCA) presented here is developed on the basis...

Tests for prediction of active tuberculosis.

The Lancet. Infectious diseases

Leung CC.
PMID: 21846593
Lancet Infect Dis. 2012 Jan;12(1):6-8. doi: 10.1016/S1473-3099(11)70215-8. Epub 2011 Aug 16.

No abstract available.

Theory of microcavity-enhanced Raman gain.

Optics letters

Wu Y, Yang X, Leung PT.
PMID: 18071501
Opt Lett. 1999 Mar 01;24(5):345-7. doi: 10.1364/ol.24.000345.

We present a method for obtaining a simple relation between bulk and cavity-modified Raman gains for microcavities with arbitrary geometric shapes. The analytical expression for the microcavity-enhanced Raman gain quantitatively accounts quite well for all the main features of...

Inter-rater reliability of ICD-10 in Chinese patients.

European psychiatry : the journal of the Association of European Psychiatrists

Pang A, Ungvari G, Wong C, Leung T.
PMID: 19698498
Eur Psychiatry. 1997;12(1):8-10. doi: 10.1016/S0924-9338(97)86372-9.

In an attempt to assess the universal applicability of the International Classification of Disease (ICD-10), two psychiatrists from different socio-cultural backgrounds and training independently performed a chart review of 238 Chinese patients. Inter-rater reliability figures were comparable to those...

The effect of removing plugs and adding arch support to foam based insoles on plantar pressures in people with diabetic peripheral neuropathy.

Journal of foot and ankle research

Lin TL, Sheen HM, Chung CT, Yang SW, Lin SY, Luo HJ, Chen CY, Chan IC, Shih HS, Sheu WH.
PMID: 23895323
J Foot Ankle Res. 2013 Jul 29;6(1):29. doi: 10.1186/1757-1146-6-29.

BACKGROUND: Removable plug insoles appear to be beneficial for patients with diabetic neuropathic feet to offload local plantar pressure. However, quantitative evidence of pressure reduction by means of plug removal is limited. The value of additional insole accessories, such...

Correction. Experimental Determination of the Bond Density of Molecular Hydrogen in Momentum-Space by Binary (e,2e) Spectroscopy.

Journal of the American Chemical Society

Leung KT, Brion CE.
PMID: 22175635
J Am Chem Soc. 1986 Apr 01;108(9):2492. doi: 10.1021/ja00269a600.

No abstract available.

Equivalence between the mechanical model and energy-transfer theory for the classical decay rates of molecules near a spherical particle.

The Journal of chemical physics

Chung HY, Leung PT, Tsai DP.
PMID: 22583276
J Chem Phys. 2012 May 14;136(18):184106. doi: 10.1063/1.4714498.

In the classical modeling of decay rates for molecules interacting with a nontrivial environment, it is well known that two alternate approaches exist which include: (1) a mechanical model treating the system as a damped harmonic oscillator driven by...

Showing 25 to 36 of 704 entries