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For large particles, their freezing points are high, and the nucleation of -Ga is dominant. While for particles in middle size, their freezing points are low, and the primary crystallization is ¦Â-Ga. With the particle size further decreasing, the freezing temperature will continue to reduce and ¦Ã-Ga will nucleate in small particles.

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li_xinjiang(½ð±Ò+1): 2011-02-28 20:39:08
For the large particles, their freezing points are (relatively) higher, and the nucleation of a-Ga is dominant.
2Â¥2011-02-24 15:02:45
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li_xinjiang(½ð±Ò+1, ·­ÒëEPI+1): 2011-02-28 20:39:04
For large particles, their freezing points are £¨relatively£©high, and the nucleation of a-Ga is dominant. While for particles in middle size, their freezing points are low, and the primary crystallization is ¦Â-Ga. With £¨¸ÄΪAs£©the particle size £¨¸ÄΪthe particles' size£©further decreasing£¨Èç¹ûÏë±ÜÃâÖØ¸´¿ÉÒÔ¸ÄΪreducing£©, the freezing temperature will continue to reduce (¸ÄΪgradually decrease)and ¦Ã-Ga will nucleate in small particles.
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3Â¥2011-02-24 18:07:22
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