X-ray diffraction, electron paramagnetic resonance, and electron spin echo modulation studies of the PbO-PbCl sub 2 -CuCl sub 2 ternary glass system

Journal Article · Thu Aug 08 00:00:00 EDT 1991 · Journal of Physical Chemistry; (United States)

DOI:https://doi.org/10.1021/j100169a050· OSTI ID:7266644

Raghunathan, P; Sivasubramanian, S C ^[1]

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1. Indian Inst. of Tech., Kanpur (India)

X-ray diffraction, EPR, and ESEM studies are reported for a novel ternary glass 43PbO-56PbCl{sub 2}-1CuCl{sub 2}. The X-ray PDF data lead to a structural model in which octahedral building units of CuO{sub 4}Cl{sub 2} are predominant. EPR spectra of the glass at X and Q bands have been fitted, by line shape simulation, to the distributed spin Hamiltonian parameters g{parallel} = 0.03, g{perpendicular} (mean) = 2.06, {sigma}{perpendicular} = 0.008, {rho} = 0.95, A{parallel}(mean) = 131.1 {times} 10{sup {minus}4} cm{sup {minus}1}, and A{perpendicular}(mean) = 5.8 {times} 10{sup {minus}4} cm{sup {minus}1}. These data suggest a distribution of bonding geometries for Cu{sup 2+} in the glass structure, with the above-mentioned elongated octahedral CuO{sub 4}Cl{sub 2} dominating. ESEM results suggest that Cu{sup 2+} may be surrounded by four Pb{sup 2+} in the second coordination shell at a distance of 3.8 {angstrom}.

• OSTI ID: 7266644
• Journal Information: Journal of Physical Chemistry; (United States), Vol. 95:16; ISSN 0022-3654
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
COPPER CHLORIDES
ELECTRON SPIN RESONANCE
X-RAY DIFFRACTION
COPPER OXIDES
LEAD CHLORIDES
LEAD OXIDES
CATIONS
EXPERIMENTAL DATA
MATHEMATICAL MODELS
METALLIC GLASSES
MOLECULAR STRUCTURE
CHALCOGENIDES
CHARGED PARTICLES
CHLORIDES
CHLORINE COMPOUNDS
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER HALIDES
DATA
DIFFRACTION
HALIDES
HALOGEN COMPOUNDS
INFORMATION
IONS
LEAD COMPOUNDS
LEAD HALIDES
MAGNETIC RESONANCE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
RESONANCE
SCATTERING
TRANSITION ELEMENT COMPOUNDS
360202* - Ceramics
Cermets
& Refractories- Structure & Phase Studies
400201 - Chemical & Physicochemical Properties