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Technology Stocks : White light from LED

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To: John Finley who wrote (349)9/7/2000 9:46:23 AM
From: kinkblot  Read Replies (2) of 565
 
See the italicized paragraph in Reply #346

They distinguish between spontaneous polarization and piezoelectric polarization as two mechanisms that must both be addressed. The former is eliminated due to non-polarizability of the crystal in the [1100] direction, and they claim that the latter is eliminated in their structure because there's no shear stress in the growth plane.

WT
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