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Using the apical oxygen doping mechanism, i.e. a partial substitution of divalence O for the monovalence Cl, we synthesized Ca3Cu2O4+δCl2-y with Ag2O under high temperature and high pressure. From X-ray diffraction composition analysis, we confirmed that Ca3Cu2O4+δCl2-y crystallizes into a 0212 structure. With increasing the content of Ag2O, we found that lattice parameters a shrinked but c increased. It suggested that it should be hole doping. We also investigated the temperature dependence of the electrical resistivity and DC magnetic susceptibility for two samples, but we didn't observe superconductivity. It maybe resulted from the too low density of hole carrier.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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