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ÓÉÓÚÈñîÑ¿ó (101)¾§ÃæµÄÑÜÉä·åºÍ°åîÑ¿ó (120)¡¢(111)¾§ÃæµÄÑÜÉä½ÇÏà»¥ÖØµþ£¬´ÓÕâÁ½´¦µÄÌØÕ÷ÑÜÉä·åÄÑÒÔÃ÷È·Çø·ÖÁ½ÖÖ¾§Ð͵ĴæÔÚ£¬ÔÚ2¦È = 31©b´¦µÄÑÜÉä·åΪ°åîÑ¿ó(121)¾§ÃæµÄÌØÕ÷ÑÜÉä·å£¬¿ÉÒÔÖ¤Ã÷°åîÑ¿ó¾§Ð͵ÄTiO2µÄ´æÔÚ£¬ÀàËÆµØ£¬Í¨¹ý¡°Èý¼â·å¡±µÈÆäËûÈñîÑ¿óÐÍTiO2ÑÜÉä·åÒ²¿ÉÒÔÖ¤Ã÷ÈñîÑ¿óÏàµÄ´æÔÚ¡£

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  As the overlapping of diffraction peaks of rystal faces of anatase with that of the rystal faces of brookite (120)¡¢(111) , it is hard to determine the existence of the two crystal forms . when 2¦È = 31©b, there are the characteristic diffraction peaks of the rystal faces of brookite (121) ,which is an evidence of the existence of TiO2 in the brookite crystal form.
Similarly £¬the existence of anatase phase can be proved  by the ¡°three sharp peaks¡± and other diffraction peaks in anatase form.

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ÈñîÑ¿ó:anatase
ÑÜÉä·å£ºdiffraction peak
ÌØÕ÷ÑÜÉä·å£ºcharacteristic diffraction peaks
°åîÑ¿ó:brookite
¾§Ãæ: rystal face
¾§ÐÍ:crystal form
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