Bismuthates: BaBiO3 and related superconducting phases

AW Sleight - Physica C: Superconductivity and its Applications, 2015 - Elsevier
BaBiO 3 has the perovskite structure, but tilting of the BiO 6 octahedra destroy the ideal
cubic symmetry except at temperatures above 820 K. BaBiO 3 is a diamagnetic …

A survey of the Van Hove scenario for high-Tc superconductivity with special emphasis on pseudogaps and striped phases

RS Markiewicz - Journal of Physics and Chemistry of Solids, 1997 - Elsevier
The Van Hove singularity (VHS) provides a paradigm for the study of the role of peaks in the
density of states (dos) on electronic properties. More importantly, it appears to play a major …

Bismuth-and aluminum-codoped germanium oxide glasses for super-broadband optical amplification

M Peng, J Qiu, D Chen, X Meng, I Yang, X Jiang… - Optics letters, 2004 - opg.optica.org
Broadband infrared luminescence from bismuth-doped germanium oxide glasses prepared
by a conventional melting–quenching technique was discovered. The absorption spectrum …

Investigations on bismuth and aluminum co-doped germanium oxide glasses for ultra-broadband optical amplification

M Peng, C Wang, D Chen, J Qiu, X Jiang… - Journal of non-crystalline …, 2005 - Elsevier
The broadband luminescence covering 1.2–1.6 μm was observed from bismuth and
aluminum co-doped germanium oxide glasses pumped by 808nm laser at room …

Electron-phonon coupling and properties of doped

V Meregalli, SY Savrasov - Physical Review B, 1998 - APS
We report density-functional calculations based on the local-density approximation (LDA) of
the properties of doped barium bismuthates. Using the linear-response approach developed …

Bismuth-doped zinc aluminosilicate glasses and glass-ceramics with ultra-broadband infrared luminescence

M Peng, D Chen, J Qiu, X Jiang, C Zhu - Optical Materials, 2007 - Elsevier
Broadband infrared luminescence covering the optical telecommunication wavelength
region of O, E and S bands was observed from bismuth-doped zinc aluminosilicate glasses …

Effect of various alkaline-earth metal oxides on the broadband infrared luminescence from bismuth-doped silicate glasses

J Ren, L Yang, J Qiu, D Chen, X Jiang, C Zhu - Solid state communications, 2006 - Elsevier
We report on the effect of various alkaline-earth metal oxides on the broadband infrared
luminescence covering 1000–1600 nm wavelength region from bismuth-doped silicate …

Bismuth-activated luminescent materials for broadband optical amplifier in WDM system

M Peng, B Wu, N Da, C Wang, D Chen, C Zhu… - Journal of Non …, 2008 - Elsevier
New broadband near infrared luminescence covering the whole work windows (1260–
1625nm) of the current wavelength division multiplexing (WDM) system was found from …

Synthesis, structure, and characterization of new low-firing microwave dielectric ceramics:(Ca 1− 3x Bi 2x Φ x) MoO 4

J Guo, CA Randall, G Zhang, D Zhou, Y Chen… - Journal of Materials …, 2014 - pubs.rsc.org
A series of A-site deficient scheelite ceramics (Ca1− 3xBi2xΦx) MoO4 (x= 0.005, 0.015,
0.025, 0.035, 0.05, 0.1, 0.15, and 0.2, and Φ: A-site vacancy) were synthesized via the solid …

Extended x-ray absorption fine-structure indication of a double-well potential for oxygen vibration in Ba1-xKxBiO3

AP Menushenkov, KV Klementev - Journal of Physics …, 2000 - iopscience.iop.org
X-ray absorption spectra of the oxide systems Ba 1-x K x BiO 3 and BaPbO 3 above the Bi
and Pb L 3 absorption edges were investigated. It was shown that oxygen ions move in a …