Results 61 to 70 of about 147,621 (248)

Processing of rare metals containing waste of copper production

open access: yesMetalurgija, 2018
The article presents the research results processing rare metal-containing waste to produce osmium, rhenium concentrate using technical sulfur. Installed, the optimum leaching conditions sulfided waste.
A. K. Serikbayeva   +3 more
doaj  

The Periodic Table\u27s 150th Anniversary [PDF]

open access: yes, 2019
Word play using the names of the ...
Francis, Darryl
core   +1 more source

Half-Sandwich Ir(III) and Os(II) Complexes of Pyridyl-Mesoionic Carbenes as Potential Anticancer Agents [PDF]

open access: yes, 2019
A series of cationic chlorido arene-iridium(III) and arene-osmium(II) complexes with bidentate pyridyl functionalized mesoionic carbenes (MIC) of the 1,2,3-triazol-5-ylidene type have been prepared.
Bolje, Aljoša   +12 more
core   +1 more source

Double staining method for array tomography using scanning electron microscopy

open access: yesApplied Microscopy, 2020
Scanning electron microscopy (SEM) plays a central role in analyzing structures by imaging a large area of brain tissue at nanometer scales. A vast amount of data in the large area are required to study structural changes of cellular organelles in a ...
Eunjin Kim   +4 more
doaj   +1 more source

Metal-Oxo Photo-oxidants, Photochemistry and Photophysics of trans-[Os^(VI)(tmc)(O)_2]^(2+)(tmc = 1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecane) and trans-[Os^(VI)(CN)_4(O)_2]^(2-) [PDF]

open access: yes, 1987
trans-[Os^(VI)(tmc)(O)_2]^(2+)(tmc = 1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecane) and trans-[Os^(VI)(CN)_4(O)_2]^(2-) are emissive in the solid state and in fluid solutions at room temperature (τ~ 1.0–1.5 µs); the (^3)E_g state of trans-[Os ...
Che, Chi-Ming   +3 more
core  

Magnetic structure determination of Ca$_3$LiOsO$_6$ using neutron and x-ray scattering

open access: yes, 2012
We present a neutron and x-ray scattering investigation of Ca$_3$LiOsO$_6$, a material predicted to host magnetic ordering solely through an extended superexchange pathway involving two anions, an interaction mechanism that has undergone relatively ...
Calder, S.   +7 more
core   +1 more source

A high-throughput ab initio review of platinum-group alloy systems [PDF]

open access: yes, 2014
We report a comprehensive study of the binary systems of the platinum group metals with the transition metals, using high-throughput first-principles calculations.
Curtarolo, Stefano   +3 more
core   +3 more sources

Towards Water Soluble Mitochondria-Targeting Theranostic Osmium(II) Triazole-Based Complexes

open access: yesMolecules, 2016
The complex [Os(btzpy)2][PF6]2 (1, btzpy = 2,6-bis(1-phenyl-1,2,3-triazol-4-yl)pyridine) has been prepared and characterised. Complex 1 exhibits phosphorescence (λem = 595 nm, τ = 937 ns, φem = 9.3% in degassed acetonitrile) in contrast to its known ...
Salem A. E. Omar   +5 more
doaj   +1 more source

Recent Advances on Metal-Based Near-Infrared and Infrared Emitting OLEDs

open access: yesMolecules, 2019
During the past decades, the development of emissive materials for organic light-emitting diodes (OLEDs) in infrared region has focused the interest of numerous research groups as these devices can find interest in applications ranging from optical ...
Malika Ibrahim-Ouali, Frédéric Dumur
doaj   +1 more source

Superconductivity in Geometrically Frustrated Pyrochlore RbOs2O6

open access: yes, 2004
We report the basic thermodynamic properties of the new geometrically frustrated beta-pyrochlore bulk superconductor RbOs2O6 with a critical temperature Tc = 6.4 K. Specific heat measurements are performed in magnetic fields up to 12 T.
A. P. Ramirez   +7 more
core   +1 more source

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