Showing papers in "Journal of Crystal Growth in 2010"

TL;DR: In this paper, the authors considered a set of physical phenomena occurring during epitaxial growth, including coupling that exists between the various effects, and concluded that several separate mechanisms exist for phase separation.

TL;DR: In this article, Fe-doped ZnO thin films were prepared by sol-gel method on Si and glass substrates and influence of Fe doping concentration on the structural and optical properties of the films was studied.

TL;DR: In this article, optically transparent crystals of CdSiP 2 (CSP) have been grown for the first time from a stoichiometric melt using the horizontal gradient freeze (HGF) technique in high-temperature transparent furnaces.

TL;DR: In this article, a single crystalline Ce-doped ZnO hexagonal nanoplatelets are successfully synthesized using a Teflon-lined stainless steel autoclave.

TL;DR: In this article, some frequent hazards and problems are addressed and observations of papers reporting amino acid compounds as supposedly new non-linear optical materials are made, as well as observations of articles reporting amino acids compounds as new NLO materials.

TL;DR: The use of abbreviated GaN growth mode, which utilizes a process of using 15nm low-temperature GaN buffer and bypassing etch-back and recovery processes during epitaxy, enables the growth of high-quality GaN template on nano-patterned AGOG sapphire.

TL;DR: In this article, high purity TeO 2 crystals are produced to be used for the search for the neutrinoless double beta decay of 130 Te. Indications are given on the crystals perfection and how it is achieved and maintained in a large scale production process.

TL;DR: In this paper, a semi-organic nonlinear optical crystal was grown by conventional slow evaporation and Sankaranarayanan-Ramasamy method and a comparative damage threshold analysis was made on the diglycine zinc chloride crystals by conventional and unidirectional method.

TL;DR: In this article, the authors obtained high quality, crack-free AlN wafers using a convex thermal field inside the growth chamber, and the carbon concentration was found to be similar in all parts of the boule, while the initial O concentration was higher and slightly decreased during growth.

TL;DR: In this article, the authors investigated the generation mechanism of dislocations by comparing dislocation occurrence in multicrystalline silicon with calculated results of the shear stress on the slip plane by finite element analysis.

TL;DR: In this paper, the dependence of the relative critical undercooling u c for crystallization on the cooling rate q is investigated in the case of progressive nucleation, in which new crystallites are continuously nucleated among the already growing ones.

TL;DR: In this paper, a study of the nucleation kinetics for a cooling crystallisation of paracetamol-ethanol solutions in a batch reactor is described, and two theoretical approaches are employed to estimate the nucleations kinetics, the classical mass based approach of Nývlt, and a more recent approach by Kubota, which also considers number density.

TL;DR: In this paper, pure phase VO 2 (R) nanorods were directly synthesized via the reduction of V 2 O 5 by oxalic acid during one-step hydrothermal treatment.

TL;DR: In this article, a 2-in c-plane GaN seeds are shown to exhibit intrinsic narrow exciton lines, which are very sensitive to the optical selection rules typical for hexagonal symmetry, proving the truly nonpolar character of such AMMONO-GaN substrates.

TL;DR: In this paper, an experimental study has been conducted to assess the structural refinement of magnesium and its alloys by ultrasonic irradiation during solidification, and it is shown that ultrasonicated irradiation leads to significant refinement only in the presence of adequate solute, which is alloy dependent.

TL;DR: In this article, a two-terminal, series connected, quadruple junction III-V solar cell with a 1 sun AM 0 conversion efficiency of 33.6% is presented.

TL;DR: In this paper, a single crystal of dimethylammonium picrate (DMAP) was successfully grown for the first time by the slow evaporation method with dimensions 25×15×10mm 3. 1 H NMR was recorded to elucidate the molecular structure.

TL;DR: In this paper, an external field was added to the crystallization conditions or using confinement to increase the number of nuclei formation in the metastable zone, where nucleation is a stochastic phenomenon and the probability of observing the critical nuclei forming is very low.

TL;DR: In this paper, the effect of crystallization parameters on the onset of spherulitic growth and particle morphology was investigated for the three anhydrous polymorphs of calcium carbonate vaterite, aragonite and calcite.

TL;DR: In this paper, an improved furnace was designed to reduce the carbon impurity of multicrystalline silicon at unidirectional solidification process and showed that the carbon concentration in the crystal can be reduced to a negligible value in the order of 10 14 ǫ atom/cm 3.

TL;DR: Epitaxial, graphitic carbon thin films were directly grown on C-face/ (0001̄) SiC and sapphire by chemical vapor deposition (CVD), using propane as a carbon source and without any catalytic metal on the substrate surface.

TL;DR: In this article, the authors have investigated strain interaction in 10 layer QD heterostructure with varying thicknesses of combination capping (InAlGaAs and GaAs) by means of scanning transmission electron microscopy (STEM), high-resolution X-ray diffraction (HRXRD) and Raman scattering.

TL;DR: In this paper, the authors focus on the 3.7-thm-grown CdZnTe detector-grade crystals that have been post-growth annealed to remove the secondary phases (SPs).

TL;DR: In this paper, HfO 2 thin films were grown at temperatures between 250 and 400°C by atomic layer deposition using novel cyclopentadienyl-alkylamido precursors, namely CpHf(NMe 2 ) 3 and (CpMe)HfNme 2 ) 2, and the self-limiting growth mode was verified at 300°C with a growth rate of 07-08 A/cycle, depending on the precursor.

TL;DR: In this paper, the Sankaranarayanan-Ramasamy (SR) method was used to grow a single crystal of L -asparagine monohydrate (LAM) in aqueous medium.

TL;DR: In this paper, an axisymmetric time-dependent model of the melt region is presented for diffusive and convective heat and O, N and C transfer as well as the formation of SiO 2, Si 3 N 4 and SiC precipitates during crystallization of multi-crystalline silicon ingots.

TL;DR: In this article, the influence of the growth rate on the incorporation of carbon and nitrogen and the SiC/Si 3 N 4 precipitate formation during directional solidification of multi-crystalline (mc) silicon was investigated.

TL;DR: Growth interface of large diameter CdZnTe ingots grown from Te solution by travelling heater method have been studied in this paper, where both macroscopic and microscopic investigations were carried out.

TL;DR: In this article, a rhombus sheet or flower-like structure of ZnMoO 4 was successfully synthesized by simple hydrothermal crystallization processes with citric acid.