Daniel Rings, Romy Schachoff, Markus Selmke, Frank Cichos, and Klaus Kroy We derive the Markovian description for the nonequilibrium Brownian motion of a heated nanoparticle in a simple solvent with a temperature-dependent viscosity. Our analytical results for the generalized fluctuation-dissipation and Stokes-Einstein relations compare favorably with measurements of lase ... [Phys. Rev. Lett. 105, 090604 ] published .
Wolfgang Voegeli, Toru Takayama, Tetsuroh Shirasawa, Makoto Abe, Kimitaka Kubo et al. The Si(553)-Au surface consists of a periodic array of single steps and (111) terraces with a quasi-one-dimensional electronic structure. In this paper, the determination of the atomic structure of this surface with x-ray diffraction is reported. The gold coverage of the surface was measured to be 0 ... [Phys. Rev. B 82, 075426 ] published .
Beniamin Zahiri, Babak Shalchi Amirkhiz, and David Mitlin We examine hydrogen sorption cycling of 1.5 [mu]m thick magnesium thin films containing a bimetallic chromium titanium catalyst. At 200 degrees C these nanocomposites absorb 5 wt % hydrogen in several seconds, and desorb in 1020 minutes. In several compositions, there is negligible hydrogenation ... [Appl. Phys. Lett. 97, 083106 (2010)] published Thu Aug 26, 2010.
Kimberlee C. Collins, Shuo Chen, and Gang Chen Synthetic diamond has potential as a heat spreading material in small-scale devices. Here, we report thermal conductance values at interfaces between aluminum and diamond with various surface terminations over a range of temperatures from 88 to 300 K. We find that conductance at oxygenated diamond i ... [Appl. Phys. Lett. 97, 083102 (2010)] published Mon Aug 23, 2010.
Weronika Walkosz, Robert F. Klie, Serdar Ogut, Biljana Mikijelj, Stephen J. Pennycook et al. We reveal the presence of atomic short-range ordering at the interface between crystalline beta-SiN and amorphous SiO using aberration-corrected scanning transmission electron microscopy. We show that the first atomic layers of the amorphous SiO film reconstruct taking on the crystalline form of SiN ... [Phys. Rev. B 82, 081412 ] published .
Wenjin Yue, Shikui Han, Ruixiang Peng, Wei Shen, Hongwei Geng et al. This paper describes a solvothermal approach to synthesize CuInS quantum dots (QDs) and demonstrates their application as a potential electron accepting material for polymer-based hybrid solar cells, for the first time. The CuInS QDs with a size of 24 nm are synthesized by the solvothermal method wi ... [J. Mater. Chem. 20, 7570 (2010)] published Wed Aug 25, 2010.
Buyi Li, Xin Huang, Liyun Liang, and Bien Tan This work is aimed at producing uniform microporous polymer nanoparticles (MPNs) and studying their hydrogen storage properties. Synthesis of vinylbenzyl chloride (VBC)/divinylbenzene (DVB) copolymers by emulsion polymerization yield fairly uniform gel-type precursor nanoparticles and the particle s ... [J. Mater. Chem. 20, 7444 (2010)] published Wed Aug 25, 2010.
Manik Mandal and Michal Kruk Periodic mesoporous organosilicas (PMOs) with methylene (CH), ethylene (CHCH), ethenylene (CH[double bond, length as m-dash]CH) and phenylene (CH) framework groups were synthesized with 2-dimensional hexagonal structures of very large cylindrical mesopores. A combination of a commercially available ... [J. Mater. Chem. 20, 7506 (2010)] published Wed Aug 25, 2010.
Mohammad Mahdi Hasani-Sadrabadi, Erfan Dashtimoghadam, Fatemeh S. Majedi, Kourosh Kabiri, Nassir Mokarram et al. This study is concerned with electrochemical investigation of novel high-performance proton exchange membranes based on bio-functionalized montmorillonite and Nafion[registered sign]. It was found that the incorporation of 2 wt% BMMT into Nafion[registered sign] polyelectrolyte matrix results in sig ... [Chem. Commun. 46, 6500 (2010)] published Wed Aug 25, 2010.
Ramakrishnan Ganesan, Karl Kratz, and Andreas Lendlein Micro- and nano-scale protein patterns have gained significant technological interest. While certain techniques for single-component protein patterning are well-established, multicomponent protein patterning approaches are a current topic of intensive research, which might enable complex biosensor s ... [J. Mater. Chem. 20, 7322 (2010)] published Wed Aug 25, 2010.
Wen Li, Bao Li, Yinglin Wang, Jing Zhang, Shan Wang et al. Fatty acid modified Mn derivatives can self-assembly into vesicular structures in organic media. The vesicular assemblies have a sandwich structure with Mn cluster separated by two alkyl chain layers. ... [Chem. Commun. 46, 6548 (2010)] published Wed Aug 25, 2010.
Tian-Yi Ma, Xiu-Zhen Lin, and Zhong-Yong Yuan Periodic mesoporous titanium phosphonate materials (PMTP-1) with bridged-organic groups inside the framework are synthesized by an autoclaving process combined with the evaporation-induced self-assembly (EISA) strategy, with the assistance of surfactant Brij 56 (CEO). Sodium salt of ethylene diamine ... [J. Mater. Chem. 20, 7406 (2010)] published Wed Aug 25, 2010.
J. Rabone, Y.-F. Yue, S. Y. Chong, K. C. Stylianou, J. Bacsa et al. Porous materials find widespread application in storage, separation, and catalytic technologies. We report a crystalline porous solid with adaptable porosity, in which a simple dipeptide linker is arranged in a regular array by coordination to metal centers. Experiments reinforced by molecular dynam ... [Science 329, 1053 ] published .
A. Dousse, J. Suffczynski, O. Krebs, A. Beveratos, A. Lemaitre et al. The exciton and biexciton lines of a single quantum dot are deterministically coupled to the optical modes of a photonic molecule. The resonance between the quantum dot emission lines and the molecule cavity modes is reached at 53 K. The device operates as a very bright source of entangled photon pa ... [Appl. Phys. Lett. 97, 081104 (2010)] published Mon Aug 23, 2010.
Karoly F. Pal and Tamas Vertesi The I inequality is the simplest bipartite two-outcome Bell inequality beyond the Clauser-Horne-Shimony-Holt (CHSH) inequality, consisting of three two-outcome measurements per party. In the case of the CHSH inequality the maximal quantum violation can already be attained with local two-dimensional ... [Phys. Rev. A 82, 022116 ] published .
Stephanie Simmons, Jonathan A. Jones, Steven D. Karlen, Arzhang Ardavan, and John J. L. Morton Measurement devices could benefit from entangled correlations to yield a measurement sensitivity approaching the physical Heisenberg limit. Building upon previous magnetometric work using pseudoentangled spin states in solution-state NMR, we present two conceptual advancements to better prepare and ... [Phys. Rev. A 82, 022330 ] published .
T. Lanting, R. Harris, J. Johansson, M. H. S. Amin, A. J. Berkley et al. We report measurements of macroscopic resonant tunneling between the two lowest energy states of a pair of magnetically coupled rf-superconducting quantum interference device flux qubits. This technique provides both a direct means of measuring the energy gap of the two-qubit system and a method for ... [Phys. Rev. B 82, 060512 ] published .
J. R. Ott, N. A. Mortensen, and P. Lodahl We report on the effects of quantum interference induced by the transmission of an arbitrary number of optical quantum states through a multiple-scattering medium. We identify the role of quantum interference on the photon correlations and the degree of continuous variable entanglement between two o ... [Phys. Rev. Lett. 105, 090501 ] published .
T. Werlang, C. Trippe, G. A. P. Ribeiro, and Gustavo Rigolin We compute the quantum correlation [quantum discord (QD)] and the entanglement (EOF) between nearest-neighbor qubits (spin-1/2) in an infinite chain described by the Heisenberg model (XXZ Hamiltonian) at finite temperatures. The chain is in the thermodynamic limit and thermalized with a reservoir at ... [Phys. Rev. Lett. 105, 095702 ] published .
