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Series of modulated structures inSrxCoO2and the modulation rule
2007
Physical Review B
The nominal composition of Sr 0.39 CoO 2 , prepared by a low-temperature ion exchange technique, has been systematically studied by transmission electron microscopy, energy dispersive x-ray spectroscopy ͑EDX͒, and electron-energy-loss spectroscopy ͑EELS͒. Besides a well-defined ͱ 3a p ϫ ͱ 3a p modulated structure, a series of long periodic modulated structures ͑n ͱ 3a p ϫ 3a p ͒ was revealed by high-resolution transmission electron microscopy ͑HRTEM͒ in some microzones, which are induced by
doi:10.1103/physrevb.75.174118
fatcat:tasalh4iqvdwzgepgj6pmq64fy