jap banner
  • Volume/Page
  • Keyword
  • DOI
  • Citation
  • Advanced
   
 
 
 

Flickr Twitter iResearch App Facebook

BROWSE VOLUMES

Year Range: 
Search Issue | RSS Feeds RSS
Previous Issue Next Issue

15 Oct 2007

Volume 102, Issue 8, Articles (08xxxx)

Issue Cover Spotlight Figure

J. Appl. Phys. 102, 081301 (2007); http://dx.doi.org/10.1063/1.2799091 (28 pages)

V. V. Afanas’ev and A. Stesmans
Enlarge Image | Read More
Return to All Sections
back to top
RSS Feeds

Response to “Comment on ‘Influence of dielectric core and embedding medium on the local field enhancement for gold nanoshells’” [ J. Appl. Phys. 100, 026104 (2006) ]

Jian Zhu and Caili Zhang

J. Appl. Phys. 102, 086101 (2007); http://dx.doi.org/10.1063/1.2796163 (1 page)

Online Publication Date: 16 October 2007

Full Text: Read Online (HTML) | Download PDF

Abstract Unavailable
Show PACS
77.84.Bw Elements, oxides, nitrides, borides, carbides, chalcogenides, etc.
77.65.Fs Electromechanical resonance; quartz resonators
77.22.Gm Dielectric loss and relaxation
77.22.Ch Permittivity (dielectric function)
72.15.Lh Relaxation times and mean free paths
78.67.Bf Nanocrystals, nanoparticles, and nanoclusters

Comment on “The effects of buoyancy convection on the measured solute diffusion coefficients in dilute metallic liquids” [ J. Appl. Phys. 96, 6213 (2004) ]

M. Shirkhanzadeh

J. Appl. Phys. 102, 086102 (2007); http://dx.doi.org/10.1063/1.2798387 (2 pages)

Online Publication Date: 16 October 2007

Full Text: Read Online (HTML) | Download PDF

Show Abstract
Two main problems have been identified with this recently published paper: (1) The authors claim that the terrestrial and microgravity experiments were performed under isothermal conditions to render any thermotransport insignificant. Close examination of the problems encountered during processing of the capillary diffusion couples on the MIR space station reveals that this claim cannot be justified. (2) On the basis of experimental results, the authors conclude that the diffusion coefficients of gold and silver in lead measured on the ground are much higher than those obtained under microgravity. This conclusion is questionable because the methodology used to determine the processing time and temperatures on the MIR space station does not seem to be scientific.
Show PACS
47.55.pb Thermal convection
66.10.C- Diffusion and thermal diffusion
61.25.Mv Liquid metals and alloys
81.70.Ha Testing in microgravity environments

Response to “Comment on ‘The effects of buoyancy convection on measured solute diffusion coefficients in dilute metallic liquids’ ” [ J. Appl. Phys. 96, 116213 (2004) ]

R. W. Smith

J. Appl. Phys. 102, 086103 (2007); http://dx.doi.org/10.1063/1.2798388 (2 pages)

Online Publication Date: 16 October 2007

Full Text: Read Online (HTML) | Download PDF

Abstract Unavailable
Show PACS
47.55.pb Thermal convection
66.10.C- Diffusion and thermal diffusion
61.25.Mv Liquid metals and alloys
81.70.Ha Testing in microgravity environments

Negative refraction and focusing in magnetically coupled L-C loaded transmission lines

U. Algredo-Badillo and P. Halevi

J. Appl. Phys. 102, 086104 (2007); http://dx.doi.org/10.1063/1.2794558 (3 pages) | Cited 5 times

Online Publication Date: 16 October 2007

Full Text: Read Online (HTML) | Download PDF


See Also: Erratum

Show Abstract
We study electromagnetic waves in circuits with one-dimensional and two-dimensional (2D) periodicities. The unit cell is composed of L-C elements, and neighboring cells are magnetically coupled. Simulations reveal passband response and are in excellent accord with dispersion relations for corresponding infinite circuits. We also consider refraction at the interface between two different 2D circuits for long wavelengths. The product of the phase and group velocities is proportional to the mutual inductance M providing the coupling. Hence, the sign of the effective refractive index is the same as the sign of M. Further, we simulate negative refraction (and focusing) of circular waves, excited by a point source, if M has opposite signs on the two sides of the border line.
Show PACS
84.40.Az Waveguides, transmission lines, striplines

Comment on “Analytic and numerical calculations of the dispersion characteristics of two-dimensional dielectric photonic gap structures” [ J. Appl. Phys. 99, 063104 (2006) ]

Frank Szmulowicz

J. Appl. Phys. 102, 086105 (2007); http://dx.doi.org/10.1063/1.2796120 (2 pages)

Online Publication Date: 17 October 2007

Full Text: Read Online (HTML) | Download PDF

Show Abstract
The article by Samokhvalova et al. [J. Appl. Phys. 99, 026106 (2006)] introduces a solvable analytic model of two-dimensional dielectric photonic band gap structures in the form of rectangular dielectric rods. Here, it is shown that the model is simply a superposition of two one-dimensional models; that is, the authors have, in fact, solved a separable Helmholtz equation.
Show PACS
42.70.Qs Photonic bandgap materials
77.84.-s Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials

Comment on “Influence of dielectric core and embedding medium on the local field enhancement for gold nanoshells” [ J. Appl. Phys. 100, 026104 (2006) ]

DaJian Wu, XiaoDong Xu, and XiaoJun Liu

J. Appl. Phys. 102, 086106 (2007); http://dx.doi.org/10.1063/1.2796158 (2 pages)

Online Publication Date: 19 October 2007

Full Text: Read Online (HTML) | Download PDF

Show Abstract
The weak peak at ultraviolet region observed by Zhu and Zhang in gold nanoshells should not be ascribed to the coupling of the “quadruple resonance,” which may be interpreted in terms of the contributions of the interband transitions in the Au layer. In addition, the quasistatic theory used by Zhu and Zhang is not suitable for investigation of the optical properties of gold nanoshells when the total radius of the shell is larger than the quasistatic limit. Furthermore, it is obvious that the strength and position of the local field factor peak should vary with the radial distance and the polar angle.
Show PACS
78.67.-n Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
78.20.Ci Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity)
77.22.Ch Permittivity (dielectric function)

Photoluminescence in phosphorous-implanted ZnO films

Veeramuthu Vaithianathan, Shunichi Hishita, Jae Young Park, and Sang Sub Kim

J. Appl. Phys. 102, 086107 (2007); http://dx.doi.org/10.1063/1.2800278 (3 pages) | Cited 10 times

Online Publication Date: 29 October 2007

Full Text: Read Online (HTML) | Download PDF

Show Abstract
ZnO thin films prepared by pulsed laser deposition were implanted with phosphorous (P) using dose levels of 1012–1014 ions/cm2 at room temperature. The P-implanted films were subsequently annealed between 500 and 700 °C in oxygen ambient. The Hall effect measurements revealed a substantial reduction in the electron concentration of the P-implanted films without annealing, whereas the reduction was more pronounced with optimized rapid thermal annealing treatment. The photoluminescence spectra showed emissions associated with the shallow P-related acceptors at ∼ 3.179, ∼ 3.256, and ∼ 3.325 eV as well as a strong red emission centered at ∼ 1.85 eV originating from a donor-acceptor pair transition after annealing at 600 and 700 °C. These results indicate that the P dose level during ion implantation and the annealing temperature are key processing parameters that should be optimized to produce p-type ZnO films.
Show PACS
78.66.Hf II-VI semiconductors
78.55.Et II-VI semiconductors
61.72.uj III-V and II-VI semiconductors
68.55.Ln Defects and impurities: doping, implantation, distribution, concentration, etc.
81.15.Fg Pulsed laser ablation deposition
61.72.Cc Kinetics of defect formation and annealing
Return to All Sections
Close

Google Calendar

ADVERTISEMENT

Go to AIP Home   © AIP Publishing LLC
close