Specific heat, elastic neutron scattering and torque measurements have been performed on the two quasi-one-dimensional cuprates Ca(0.83)CuO(2) and Sr(0.73)CuO(2). These compounds consist of infinite CuO(2) chains, which are highly hole-doped. In both compounds a peak in the specific heat, attributed to a static magnetic transition, has been observed at T~ 10 K. Magnetic Bragg peaks were identified in the neutron diffraction patterns, giving evidence of a three-dimensional long-range ordered ground state.
By: G. I. Meijer, C. Rossel, W. Henggeler, L. Keller, J. Karpinski, H. Schwer, E. M. Kopnin, P. Wachter, R. C. Black and J. Diederichs
Published in: Physical Review B, volume 58, (no 21), pages in 1998
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