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Showing papers in "Solid State Communications in 2002"


Journal ArticleDOI
TL;DR: In this article, the first experimental evidence of room temperature direct spin polarized injection in sexithienyl (T 6 ), a prototypical organic semiconductor, from colossal magnetoresistance manganite La 0.7 Sr 0.3 MnO 3 (LSMO), was reported.

629 citations


Journal ArticleDOI
TL;DR: In this article, it was shown that BiMnO 3 is ferromagnetic with a T C of 105 K and ferroelectric with a Curie temperature of around 450 K.

328 citations


Journal ArticleDOI
TL;DR: In this article, a thermal decomposition of the precursor of ZnC2O4 obtained via chemical reaction between Zn(CH3COO)2·2H2O and H2C2OCO4·2HO2O in the presence of surfactant nonyl phenyl ether (9)/(5) and NaCl flux is discussed.

223 citations


Journal ArticleDOI
TL;DR: In this article, structural, optical and magnetic properties of high quality epitaxial Zn 1− x Mn x O (diluted magnetic semiconductor) films were investigated using a pulsed laser deposition technique.

218 citations


Journal ArticleDOI
TL;DR: In this paper, a new III-V nitride-based diluted magnetic semiconductor GaCrN has been successfully synthesized for the first time, which showed a ferromagnetic behavior with the Curie temperature of higher than 400 K and clear saturation and hysteresis were observed in the magnetization versus magnetic field curves at all measuring temperatures (10-400 K).

194 citations


Journal ArticleDOI
TL;DR: In this article, the first report of room-temperature ferromagnetic behavior in diluted magnetic semiconductor (DMS) GaGdN ternary alloy was presented.

153 citations


Journal ArticleDOI
TL;DR: In this article, the dynamically screened Coulomb interaction W is expanded in a mixed basis set which consists of two contributions, local atom-centered functions confined to muffin-tin spheres, and plane waves with the overlap to the local functions projected out.

132 citations


Journal ArticleDOI
TL;DR: In this paper, the relationship between the dielectric constant and corresponding defect concentration of lithium niobate crystals is studied and an ion polarizability additivity rule is employed to characterize the optical quality of the obtained single crystals.

124 citations


Journal ArticleDOI
TL;DR: In this paper, the authors have successfully grown Mn-doped chalcopyrite ZnSnAs 2 single crystals from the melt using the vertical-temperature-gradient Bridgman method.

119 citations


Journal ArticleDOI
TL;DR: In this paper, a controllable size of YVO4 nanoparticles was fabricated by direct reaction of Na3VO4 and Y(NO3)3 in CTAB microemulsion systems.

110 citations


Journal ArticleDOI
TL;DR: In this paper, a simple Madelung model was used to predict the dependence of the lattice parameter for CeO2 and BaTiO3 on d, δa/a=α/d, for α=0.22 and 0.18 A, respectively.

Journal ArticleDOI
TL;DR: In this article, a comparative study of the doping properties of the CE-type antiferromagnet Pr0.5Ca 0.5MnO3 with 5% of different elements is presented, showing that two classes of materials can be generated from the viewpoint of the transport and magnetic properties, depending on the electronic configuration of the dopant.

Journal ArticleDOI
TL;DR: In this article, a quaternary reverse micelle method was used to synthesize uniform CdS nanoparticles from 4 to 8 nm using a reflux treatment, which exhibited narrow band size dependent exciton emission and its intensity was enhanced greatly.

Journal ArticleDOI
TL;DR: In this paper, three-dimensional electromagnetic or photonic crystals with periodic variations of the dielectric constants were fabricated by a rapid prototyping method called stereolithography, and the diamond structures formed the perfect bandgap reflecting electromagnetic waves for all directions.

Journal ArticleDOI
TL;DR: In this article, an anisotropic variant of the Kagome net, where edge-sharing MO6 octahedra form the rises and rungs of a ‘Kagome staircase’, is introduced.

Journal ArticleDOI
TL;DR: Wannier series excitons have been identified by electroabsorption and two-photon absorption spectroscopy on a layered perovskite-type crystal (C 6 H 13 NH 3 ) 2 PbI 4.

Journal ArticleDOI
TL;DR: In this article, a 40-fold increase in the strength of magnetoelectric coupling was reported in layered samples of Ni1−xZnxFe2O4 (x=0.5) compared to bulk composites.

Journal ArticleDOI
TL;DR: An intense broad vacuum ultraviolet (VUV) optical absorption band with peak at 6.8 eV and halfwidth ≈ 1.7 eV was identified in irradiated glassy SiO 2 and assigned to dangling oxygen bonds (non-bridging oxygen hole centers, NBOHC).

Journal ArticleDOI
TL;DR: In this article, the VUV excitation spectra of new red phosphors, YAl3(BO3)4/Eu3+ and Y0.65Gd0.35Al3 (BO3)/Eu 3+ are studied.

Journal ArticleDOI
TL;DR: In this article, the authors showed that the contribution of the size-induced surface energy to total internal energy has very little effect on the high pressure behavior of this type of nanomaterials, in which their bulk counterparts exhibit the structural stability over a wide range of pressure.

Journal ArticleDOI
Yang Yang1, H. T. Chen1, Yongfeng Mei1, Jianbin Chen1, Xinglong Wu1, Xi-Mao Bao1 
TL;DR: In this article, a Si-based anodic aluminum oxide template (AAO/Au/Si structure) with ordered nanopores was used for light-emitting nanowires.

Journal ArticleDOI
TL;DR: In this article, the synthesis and X-ray powder diffraction characterization of La 1− x Ca x MnO 3+ δ samples with x = 0.1, 0.3 and −0.054 were reported.

Journal ArticleDOI
TL;DR: In this article, the thermoelectric properties of Ca 3− x Na x Co 4 O 9 polycrystalline samples have been carefully studied in air from room temperature to 1000 K, and the substitution of Na + for Ca 2+ has been demonstrated to be an effective means to adjust the thermal conductivity.

Journal ArticleDOI
TL;DR: In this paper, the results of the simultaneous deposition of Mn 3 O 4 films 100mm thick at 750°C and P (O 2 )=1mbar by MOCVD on three different single crystal substrates (MgO, LaAlO 3 and SrTiO 3 ) are considered.

Journal ArticleDOI
TL;DR: In this paper, a ZT value of 0.87 for PbTe measured at ambient temperature and pressure has been achieved in an experiment with high pressure and high temperature, which is nearly 20 times larger than the reported values for BTe synthesized at ambient pressure, and approximately equal to that of Bi2Te3.

Journal ArticleDOI
TL;DR: In this article, the dispersion relations of single-wall carbon nanotubes calculated within a force-constants approach were presented. But the results of the analysis were limited to the case of a single carbon atom.

Journal ArticleDOI
TL;DR: In this paper, the authors measured the order parameter of the antiferromagnetic phase transition at T N = 24.1(1) K and compared it with a linear spin wave theory.

Journal ArticleDOI
TL;DR: In this paper, the thermal crystallization behavior of bulk amorphous semiconducting Se80In20−xPbx (x=0, 2, 6 and 10) glasses has been studied by differential scanning calorimetry (DSC) using non-isothermal measurement with different heating rates.

Journal ArticleDOI
TL;DR: In this paper, a single crystal near the morphotropic phase boundary has been grown directly from the melt by the modified Bridgman technique, in which an allomeric PMNT 69/31 seed crystal was used.

Journal ArticleDOI
TL;DR: In this article, a polycrystalline Ca2FeReO6 with a Curie temperature TC of 540 K was obtained, the highest value of all magnetic perovskites investigated till now.