Phys. Rev. Lett. 83, 4081–4084 (1999)Self-Hosting Incommensurate Structure of Barium IVReceived 11 June 1999; published in the issue dated 15 November 1999 The structure of phase IV of barium has been solved from single-crystal and powder diffraction x-ray data. It is composed of a tetragonal “host,” with “guest” chains in channels along the c axis of the host. These chains form two different structures, one well crystallized and the other highly disordered and giving rise to strong diffuse scattering. The guest structures are incommensurate with the host. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.4081
DOI:
10.1103/PhysRevLett.83.4081
PACS:
61.50.Ks, 62.50.+p
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