F065. Surface investigation of high Tc superconducting HgBa2CuO4+δ
HRTEM image of HgBa2CuO4+δ showing surface decomposition. EDX analysis of surface coating layer shows a great loss of Hg. [W. Zhou, A. Asab, I. Gameson, D. A. Jefferson, P. P. Edwards, Physica C 248,1-10 (1995)]. Surface profile images of other superconducting materials can be found in [W. Zhou, D. A. Jefferson, W. Y. Liang, J. Solid State Chem. 98, 437-441 (1992); W. Zhou, D. A. Jefferson, W. Y. Liang, A. Soeta, T. Kamo, S. P. Matsuda, Physica C 202, 335-44 (1992)].