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1.
Card Information
Names:        beta-Silicon Nitride
Formula:        Si3 N4
PDF Number:        33-1160
Quality:        star
System:        hexagonal        Space Group:        P63/m    (no. 176)
a:        7.6044        c:        2.9075
Density (Dx):        3.200        Z:        2

2.
Card Information
Names:        Silicon Nitride
Formula:        Si3 N4
PDF Number:        40-1129
Quality:        unknown
Cell and Symmetry Information
System:        tetragonal        Space Group:        P42212   (no.  94)
a:        9.245        c:        8.482
Z:        10

3.
Card Information
Names:        Silicon Nitride
Formula:        Si3 N4
PDF Number:        51-1334
Quality:        Rietveld
Cell and Symmetry Information
System:        cubic        Space Group:        Fd-3m    (no. 227)
a:        7.74181       
Density (Dx):        4.016        Z:        8

4.
Card Information
Names:        Silicon Nitride
Formula:        Si3 N4
PDF Number:        70-3756
Quality:        calculated
Cell and Symmetry Information
System:        hexagonal        Space Group:        P31c     (no. 159)
a:        7.752        c:        5.619
Density (Dx):        3.186        Z:        4

5.
Card Information
Names:        beta-Silicon Nitride
Formula:        Si3 N4
PDF Number:        71-623
Quality:        calculated
Cell and Symmetry Information
System:        hexagonal        Space Group:        P63      (no. 173)
a:        7.595        c:        2.9023
Density (Dx):        3.213        Z:        2
2Â¥2014-03-06 10:50:05
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liufeng0619

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2Â¥: Originally posted by xhtangxh at 2014-03-06 10:50:05
Si3N4¿É²éµ½µÄÓÐ3ÖÖ¾§Ïµ£ºÁù·½¡¢ËÄ·½ºÍÁ¢·½£¬ÆäÖÐÁù·½º¬3¸ö¹éÊô²»Í¬¿Õ¼äȺµÄÎïÏà¡£
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1.
Card Information
Names:        beta-Silicon Nitride
Form ...

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3Â¥2014-03-07 09:43:48
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xhtangxh

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ÒýÓûØÌû:
3Â¥: Originally posted by liufeng0619 at 2014-03-07 09:43:48
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