2 papers
cond-mat.mtrl-sci2008
Ab initio study of the optical phonons in 1D antiferromagnet Ca2CuO3
Nam Nhat Hoang, Thu Hang Nguyen, Chau Nguyen
In the spin 1/2 antiferromagnetic Ca2CuO3 the optical excitation along 1D a Cu-O chain showed the enrichment of forbidden peaks that could not be explained by the group theory. We…
cond-mat.mtrl-sci2008
Synthesis and structural characterization of uranium-doped Ca2CuO3, a 1D quantum antiferromagnet
Nam Nhat Hoang, Dang Chinh Huynh, Duc Tho Nguyen +4
The technological settings of a modified sol-gel method for preparation of highly fine homogeneous powder Ca2CuO3 doped with uranium 238 (x=0-0.05) is presented. The analysis of st…