JAP: Nanoscale Science and Design http://scitation.aip.org/ JAP: Nanoscale Science and Design Modeling of the microstructure of carbon nanotube with two nonlocal elasticity theories http://link.aip.org/link/?JAP/111/034315/1&agg=rss S. Basir Jafari, R. Malekfar, and S. E. Khadem<br/> In this paper, a detailed theoretical study on the dispersion of waves in carbon nanotubes (CNTs) is presented. For this purpose, CNTs are considered as nonlocal elastic thin cylindrical shells. The Eringen's nonlocal elasticity theory is used for modeling the microstructure of CNT such that the pro ... [J. Appl. Phys. 111, 034315 (2012)] published Mon Feb 13, 2012. Optical properties of a periodic array of slit-groove http://link.aip.org/link/?JAP/111/034316/1&agg=rss Guo-dong Wang, Cheng-ping Huang, Yi Zhang, Qian-jin Wang, and Yong-yuan Zhu<br/> The optical properties of a periodic slit-groove array perforated in a metal film have been studied experimentally and theoretically. Due to the interplay between periodic slits and periodic grooves, a switching from transmission minimum to maximum and the appearance of an additional dip were experi ... [J. Appl. Phys. 111, 034316 (2012)] published Mon Feb 13, 2012. Strain analysis of a wrinkled SiGe bilayer thin film http://link.aip.org/link/?JAP/111/034314/1&agg=rss Guo-En Chang, Chia-Ou Chang, and H. H. Cheng<br/> We report a strain analysis on a wrinkled semiconductor pattern formed by a p-doped bilayer thin film that is compressively strained. The strain distribution is studied with a theoretical analysis using a non-linear plate theory in conjunction with a detailed morphology measurement. The results show ... [J. Appl. Phys. 111, 034314 (2012)] published Fri Feb 10, 2012. Influence of size/crystallinity effects on the cation ordering and magnetism of alpha-lithium ferrite nanoparticles http://link.aip.org/link/?JAP/111/034313/1&agg=rss N. Jovic, M. Prekajski, A. Kremenovic, B. JanCar, V. Kahlenberg et al.<br/> alpha-lithium ferrite (LiFeO) nanoparticles have been prepared using two synthesis routes: citrate gel decomposition as well as the Pechini method. Analysis of HRTEM images of the particles showed that they have a core/shell structure, an average size of ~10 nm and stacking faults parallel to the (1 ... [J. Appl. Phys. 111, 034313 (2012)] published Fri Feb 10, 2012. Experimental study on the field emission properties of metal oxide nanoparticledecorated graphene http://link.aip.org/link/?JAP/111/034311/1&agg=rss Tessy Theres Baby and Sundara Ramaprabhu<br/> In the present study, electron field emission efficiency of metal oxide nanoparticledecorated graphene has been investigated. Tin oxide and zinc oxide nanoparticledecorated hydrogen exfoliated graphene (SnO/HEG and ZnO/HEG) have been synthesized by chemical reduction and sol-gel techniques, respecti ... [J. Appl. Phys. 111, 034311 (2012)] published Thu Feb 9, 2012. Kinetics aspects of initial stage thin gamma-AlO film formation on single crystalline beta-NiAl (110) http://link.aip.org/link/?JAP/111/034312/1&agg=rss Zhongfan Zhang, Keeyoung Jung, Long Li, and Judith C. Yang<br/> The growth kinetics and mechanisms of thermally-grown thin gamma-AlO film at 650 degrees C in air on single-crystalline beta-NiAl (110) was characterized via transmission electron microscopy, X-ray diffractometry, and thermo-gravimetric analyses. The oxidation kinetics as a function of thickness wa ... [J. Appl. Phys. 111, 034312 (2012)] published Thu Feb 9, 2012. Semiconductor core-shell quantum dot: A low temperature nano-sensor material http://link.aip.org/link/?JAP/111/034310/1&agg=rss Saikat Chattopadhyay, Pratima Sen, Joseph Thomas Andrews, and Pranay Kumar Sen<br/> This paper presents an analytical study of temperature dependent photoluminescence (PL) in core-shell quantum dots (CSQDs) made of most frequently used II-VI semiconducting materials. The analysis incorporates the temperature dependent radiative recombination processes in the calculation of the inte ... [J. Appl. Phys. 111, 034310 (2012)] published Thu Feb 9, 2012. A pancake-shaped nano-aggregate for focusing surface plasmons http://link.aip.org/link/?JAP/111/034308/1&agg=rss Shao Ying Huang, Weng Cho Chew, Yang G. Liu, Bae-Ian Wu, and H. W. Choi<br/> We proposed a pancake-shaped nano-aggregate that highly focuses surface plasmons. The structure is a superposition of bowtie-shaped dimers, where surface plasmons are excited, resonated with the structure, and coupled. Surface integral equation method (Poggio-Miller-Chang-Harrington-Wu-Tsai method) ... [J. Appl. Phys. 111, 034308 (2012)] published Wed Feb 8, 2012. Electronic and magnetic properties of substitutionally Fe-, Co-, and Ni-doped BC honeycomb structure http://link.aip.org/link/?JAP/111/034309/1&agg=rss Xianqing Lin and Jun Ni<br/> First-principles calculations have been performed to investigate the electronic and magnetic properties of BC honeycomb structure (2D BC) substitutionally doped with Fe, Co, and Ni. 2D BC is a semiconductor with a mediate bandgap. When substituting for B, the Fe, Co, and Ni impurity atoms exhibit di ... [J. Appl. Phys. 111, 034309 (2012)] published Wed Feb 8, 2012. Quantum confinement in Si and Ge nanostructures http://link.aip.org/link/?JAP/111/034307/1&agg=rss E. G. Barbagiovanni, D. J. Lockwood, P. J. Simpson, and L. V. Goncharova<br/> We apply perturbative effective mass theory as a broadly applicable theoretical model for quantum confinement (QC) in all Si and Ge nanostructures including quantum wells (QWs), wires (Q-wires), and dots (QDs). Within the limits of strong, medium, and weak QC, valence and conduction band edge energy ... [J. Appl. Phys. 111, 034307 (2012)] published Wed Feb 8, 2012. Electrical properties of individual NiFe/Pt multilayer nanowires measured in situ in a scanning electron microscope http://link.aip.org/link/?JAP/111/034306/1&agg=rss Mohamed Elawayeb, Yong Peng, Kevin J. Briston, and Beverley J. Inkson<br/> The electrical properties of individual NiFe/Pt multilayer nanowires have been measured in situ by nanomanipulators in a scanning electron microscope. The electrical measurement of ~50 nm diameter individual NiFe/Pt multilayer nanowires with polycrystalline microstructure shows that the nanowires ha ... [J. Appl. Phys. 111, 034306 (2012)] published Mon Feb 6, 2012. Nanoassembly control and optical absorption in CdTe-ZnO nanocomposite thin films http://link.aip.org/link/?JAP/111/034305/1&agg=rss B. G. Potter, Jr., R. J. Beal, and C. G. Allen<br/> The spatial distribution of CdTe nanoparticles within a ZnO thin-film matrix was manipulated using a dual-source, sequential radio-frequency (RF)-sputter deposition technique to produce nanocomposite materials with tuned spectral absorption characteristics. The relative substrate exposure time to ea ... [J. Appl. Phys. 111, 034305 (2012)] published Fri Feb 3, 2012. Low-temperature scanning tunneling microscopy/ultraviolet photoelectron spectroscopy investigation of two-dimensional crystallization of C: pentacence binary system on Ag(111) http://link.aip.org/link/?JAP/111/034304/1&agg=rss Jia Lin Zhang, Kelvin Hong Liang Zhang, Jian Qiang Zhong, Tian Chao Niu, and Wei Chen<br/> Atomic scale investigation of temperature-dependent two-dimensional (2 D) crystallization processes of fullerene-C on pentacene-covered Ag(111) surface has been carried out by in situ low-temperature scanning tunneling microscopy (LT-STM) experiments. To evaluate the effect of molecule-substrate int ... [J. Appl. Phys. 111, 034304 (2012)] published Thu Feb 2, 2012. Modeling of silicon nanocrystals based down-shifter for enhanced silicon solar cell performance http://link.aip.org/link/?JAP/111/034303/1&agg=rss F. Sgrignuoli, G. Paternoster, A. Marconi, P. Ingenhoven, A. Anopchenko et al.<br/> A transfer matrix model of a luminescent down-shifter (LDS) layer, consisting of silicon nanocrystals (Si-NCs) embedded in a silicon oxide matrix, on a silicon solar cells is presented. To enhance the efficiency of the silicon solar cell, we propose using a SiO/Si-NCs double layer stack, as an anti- ... [J. Appl. Phys. 111, 034303 (2012)] published Thu Feb 2, 2012. Molecular dynamics simulation of the regrowth of nanometric multigate Si devices http://link.aip.org/link/?JAP/111/034302/1&agg=rss Luis A. Marques, Lourdes Pelaz, Ivan Santos, Pedro Lopez, and Ray Duffy<br/> We use molecular dynamics (MD) simulation techniques to study the regrowth of nanometric multigate Si devices, such as fins and nanowires, surrounded by free surfaces and interfaces with amorphous material. Our results indicate that atoms in amorphous regions close to lateral free surfaces or interf ... [J. Appl. Phys. 111, 034302 (2012)] published Thu Feb 2, 2012. The size and diffusion effect of gold on silicon nanowire sidewall faceting http://link.aip.org/link/?JAP/111/034301/1&agg=rss Deok-Won Seo, Gil-Sung Kim, Chan-Yang Lee, Seung-Yong Lee, Jung-Hwan Hyung et al.<br/> Single crystalline silicon nanowires (SiNWs) were grown using a gold (Au)-catalyzed vapor-liquid-solid (VLS) approach. In this study, we examine the influence of the size of Au catalyst droplets on the size of SiNWs and discuss the effect of Au diffusion and surface passivation on SiNW sidewall face ... [J. Appl. Phys. 111, 034301 (2012)] published Wed Feb 1, 2012. A nano-cheese-cutter to directly measure interfacial adhesion of freestanding nano-fibers http://link.aip.org/link/?JAP/111/024315/1&agg=rss Xin Wang, Johnny F. Najem, Shing-Chung Wong, and Kai-tak Wan<br/> A nano-cheese-cutter is fabricated to directly measure the adhesion between two freestanding nano-fibers. A single electrospun fiber is attached to the free end of an atomic force microscope cantilever, while a similar fiber is similarly prepared on a mica substrate in an orthogonal direction. Exter ... [J. Appl. Phys. 111, 024315 (2012)] published Fri Jan 27, 2012. A fractal permeability model for gas flow through dual-porosity media http://link.aip.org/link/?JAP/111/024316/1&agg=rss Qian Zheng and Boming Yu<br/> The dual-porosity medium, i.e., a matrix porous medium coupled with fractured networks, extensively exists in fissured rocks, natural gas reservoirs, and other natural underground reservoirs or in resolving subsurface contamination problems. This work investigates gas permeability through matrix por ... [J. Appl. Phys. 111, 024316 (2012)] published Fri Jan 27, 2012. Catalyst solubility and self-doping in ZnS nanostructures http://link.aip.org/link/?JAP/111/024313/1&agg=rss M. Hafeez, U. Manzoor, A. S. Bhatti, M. Burak Kaynar, and S. Ismat Shah<br/> We demonstrate that the variation in the solubility of the catalyst during nanostructure growth via vapor-liquid-solid technique is dependent on the catalyst dimensions. This property can be exploited in a simple way for controlled doping of the nanostructures. Specifically, we investigate the role ... [J. Appl. Phys. 111, 024313 (2012)] published Thu Jan 26, 2012. Thermosize effects and thermodynamic analysis of a macro/nano scaled refrigerator cycle http://link.aip.org/link/?JAP/111/024312/1&agg=rss Hao Wang, Guoxing Wu, and Xinbin Chen<br/> We have established a macro/nano refrigerator model. A possibly new thermodynamic refrigerator based on thermosize effects is analyzed. Expressions for some important parameters, such as the refrigeration load, coefficient of performance, and work input, are derived. By means of numerical calculatio ... [J. Appl. Phys. 111, 024312 (2012)] published Thu Jan 26, 2012. Perovskite phase transformation in 0.65Pb(MgNb)O-0.35PbTiO nanoparticles derived by sol-gel http://link.aip.org/link/?JAP/111/024314/1&agg=rss Satyendra Singh and S. B. Krupanidhi<br/> Fabrication of 0.65Pb(MgNb)O-0.35PbTiO (PMN-PT) nanoparticles with an average size of about 40 nm and their phase transformation behavior from pyrochlore to perovskite phase is investigated. A novel sol-gel method was used for the synthesis of air-stable and precipitate-free diol-based sol of PMN-PT ... [J. Appl. Phys. 111, 024314 (2012)] published Thu Jan 26, 2012.