Results 281 to 290 of about 51,216 (341)

Properties of (Na, K)NbO 3 and (Li, Na, K)NbO 3 Ceramic Mixed Systems

Ferroelectrics, 2003
In this paper, samples of (Na x K 1 m x )NbO 3 where x = 0.1 m 1 and Li y (Na 0.5 K 0.5 ) 1 m y NbO 3 where y = 0.01 m 0.05 have been prepared by conventional ceramic technique. The prepared Sodium Potassium Niobate (Na x K 1 m x NbO 3 ) and Lithium Sodium Potassium Niobate (Li y (Na 0.5 K 0.5 ) 1 m y NbO 3 ) samples are characterized using X-ray ...
Sheng-Yuan Chu, Walter Water, Yung-Der Juang, Jih-Tsang Liaw   +3 more
openaire   +1 more source

Tiling of a Nb(110) surface with NbO crystals nanosized by the NbO/Nb misfit

Physical Review B, 2002
The overlayer covering a (110) face of a Nb crystal annealed at 1500--2000 K in UHV has been studied by Auger electron and photoemission spectroscopies, low-energy electron diffraction (LEED) and scanning tunneling microscopy (STM). This layer, which results from the surface segregation of oxygen dissolved in Nb bulk, corresponds to a thin niobium ...
I. Arfaoui, J. Cousty, H. Safa
openaire   +1 more source

Immobilization of N-oxide functionality into NbO-type MOFs for significantly enhanced C2H2/CH4 and CO2/CH4 separations.

Dalton Transactions, 2020
NbO-type MOFs built up from linear diisophthalate ligands and dicopper paddlewheel-based secondary building units offer an excellent platform to perform pore surface chemistry engineering and understand the structure-property relationship.
Tingting Xu, Lihui Fan, Zhenzhen Jiang, P. Zhou, Ziruo Li, Huangyan Lu, Yabing He   +6 more
semanticscholar   +1 more source

The effects of the Newborn Behavioral Observations (NBO) system in early intervention: A multisite randomized controlled trial.

Infant Mental Health Journal, 2020
The purpose of this pilot study was to evaluate the effect of an infant mental health intervention, the Newborn Behavioral Observations system (NBO), versus usual care (UC) on infant neurodevelopment and maternal depressive symptoms in early intervention
B. McManus, Y. Blanchard, N. Murphy, J. Nugent   +3 more
semanticscholar   +1 more source

Boranil and Related NBO Dyes: Insights From Theory

Journal of Chemical Theory and Computation, 2013
The simulations of excited-state properties, that is, the 0-0 energies and vibronic shapes, of a large panel of fluorophores presenting a NBO atomic sequence have been achieved with a Time-Dependent Density Functional Theory (TD-DFT) approach. We have combined eight hybrid exchange-correlation functionals (B3LYP, PBE0, M06, BMK, M06-2X, CAM-B3LYP ...
Chibani, Siwar, Charaf-Eddin, Azzam, Le Guennic, Boris, Jacquemin, Denis   +3 more
openaire   +4 more sources

Многослойные наноструктуры Mg/NbO

2022
Работа выполнена при финансовой поддержке РФФИ (проект 15-02-05920).
Smirnov, A. N., Semenenko, K. I., Stognei, O. V., Sitnikov, A. V.   +3 more
openaire   +1 more source

Electrical properties of NbO and NbO2

Journal of Physics and Chemistry of Solids, 1969
Abstract The thermoelectric power and electrical conductivity were measured for NbO and NbO2 as functions of temperature at the limiting oxygen activities for the thermodynamic stability of each of the compounds. The electrical properties of NbO2 were essentially independent of oxygen pressure in the temperature range 50–1000°C, and the properties of
James A. Roberson, Robert A. Rapp
openaire   +1 more source

The luminescence of K2(NbO)2Si4O12

Journal of Alloys and Compounds, 1992
The luminescence of K2(NbO)2Si4O12 is described and discussed. It consists of a greenish emission below room temperature. The results are discussed in connection with the recently described crystal structure and the nonlinear optical properties of this compound.
G. Blasse, G.J. Dirksen, M.P. Crosnier, Y. Piffard   +3 more
openaire   +1 more source

Untersuchungen zur Struktur von Niobmonoxid NbO

Zeitschrift für anorganische und allgemeine Chemie, 1962
AbstractUm Ursachen für die kristallchemische Sonderstellung von Niobmonoxid NbO zu finden, wurde dessen Fähigkeit zur Mischkristallbildung mit einigen anderen verwandten Monoxiden geprüft. Bisher ließen sich solche Mischkristalle nur mit Vanadiumoxid VO nachweisen.
G. Brauer, H. Morawietz
openaire   +1 more source

Non-covalent interactions – QTAIM and NBO analysis

Journal of Molecular Modeling, 2012
MP2(full)/6-311++G(3df,3pd) calculations were carried out on complexes linked through various non-covalent Lewis acid - Lewis base interactions. These are: hydrogen bond, dihydrogen bond, hydride bond and halogen bond. The quantum theory of ´atoms in molecules´ (QTAIM) as well as the natural bond orbitals (NBO) method were applied to analyze properties
openaire   +2 more sources