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采用不同高浓度的硝酸对由TiOSO4生成的Ti(OH)4进行处理,发现浓硝酸在低温下可以促使纳米金红石型二氧化钛的生成,用XRD及高分辨率透射电镜(HRTEM)对生成的晶粒晶型及形貌进行了分析,发现纳米晶的稳定性差,晶体界面有较多的缺陷和非晶,并有孪晶出现.

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