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Anatase is the most stable phase for nanoparticles below 11 nm. Brookite has been found to be the most stable for nanoparticles in the 1135 nm range.Anatase has two low energy surfaces, (101) and (001),the brookite phase, which is rarer and more difficult to prepare, has also been studied as a photocatalyst (see later). The order of stability of the crystal faces is .010/ < .110/ < .100/ °åîÑÐÍ´ß»¯»îÐÔºÜС£¬Èñîѽϴó¡£ÖƱ¸²é¾ßÌåÎÄÏ׿ɵõ½¡£ |
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