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Updated: Feb 22, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Incommensurately modulated δ"-Au(1+x)Cd(2-x) formed by an unquenchable phase transformation from the γ-brass δ'-phase
1CAS Chemical Centre, Lund University , Getingevägen 60, Box 124, Lund SE-22100, Sweden.
Abstract:
The synthesis and structural determination of the compound δ"-Au(1+x)Cd(2-x) (0.07 ≤ x ≤ 0.08) is reported. The structure may be formally derived from that of ξ-CoZn13, but elemental ordering causes an incommensurate modulation as determined by single-crystal X-ray diffraction at room temperature. The compound δ"-Au(3.23)Cd(5.76) crystallizes in the monoclinic super space group C2/m(0β½)00 with lattice parameters a = 14.790(2) Å, b = 8.251(1) Å, c = 12.744(1) Å, β = 115.182(9)° and a q-vector q = (0β½), β = 0.579b*. The δ"-phase is stable up to 652(1) K.
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