Three-layer Aurivillius phases containing magnetic transition metal cations: Bi2−xSr2+x(Nb,Ta)2+xM1−xO12, M=Ru4+, Ir4+, Mn4+, x≈0.5

Cation Disorder in Three-Layer Aurivilli

Cation Disorder in Three-Layer Aurivillius Phases: Structural Studies of Bi2−xSr2+xTi1−xNb2+xO12 (0<x<0.8) and Bi4−xLaxTi3O12 (x=1 and 2)

✍ C.H. Hervoches; P. Lightfoot 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 322 KB

The solid solutions Bi 2؊x Sr 2؉x Ti 1؊x Nb 2؉x O 12 (0 < x < 0.6). ( 1) and Bi 4؊x La x Ti 3 O 12 (x ‫؍‬ 1 and 2) (2) have been analyzed in detail by a combination of powder X-ray and neutron di4raction. Both solid solutions adopt a tetragonal variant of the archetypal three-layer Aurivillius phase