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Regular Member
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Basic Member
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§ÚÓ¤H¬Oı±o110¶¨ä¹ê¨S¦³¸ÑÄÀª÷¬°¤°»ò¬Oª÷¦âªº°ÝÃD¡C ¤@¼Ë³£¬Oª÷ÄÝ --- ¨S¦³¯à»Ø(bandgap)¡Aª÷«o¬O¯àªí²{¥Xª÷¦â¦ý»È´N¥u¯à¬O»È¥Õ(¦Ç)¦â¡C ¤å³¹¤¤¬qÁ¿¨ìª÷ÄÝ¡A»¡¬Oª÷Äݦ]¬°¨S¦³¯à»Ø¡A©Ò¥H¤£·|¯S©w¥u§l¦¬¬YºØªiªøªº¥ú½u¡A¦]¦¹µo¥X»È¥Õ¦âªº¥ú¿A¡C¦ýÁ¿¨ìª÷¤S»¡¨ì§Y¨Ï¥¦¤]¬O¨S¦³¯à»Ø¡A«o·|§l¦¬¯S©wªiªøªº¥ú½u¦Óµo¥Xª÷¦â---ÅãµMI«á¦³¬YºØ¹D²z¨S¸ÑÄÀ²M·¡¡C |
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Master Member
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https://zh.wikipedia.org/wiki/¬Á¼þ
https://zh.wikipedia.org/wiki/ª÷ ÃC¦â[½s¿è] ¨ä¥Lª÷ÄÝÃC¦â³q±`¬O»È¦Ç¦âªº¡A¦]¬°¥¦Ìªº¡u¹q¤l®ü¡v¯à°÷§l¦¬¤Î©ñ¥Xªº¥ú¤lÀW²v½d³ò¸û¤j¡AÂл\¤F¦UºØ¦â¥úªºªiªø½d³ò¡Cª÷ªº¤ÏÀ³«h¤£¦P¡A¦]¬°¬Û¹ï½×¶q¤l¤Æ¾Ç¡]relativistic quantum chemistry¡^¤¤·L§®ªº¬Û¹ï½×®ÄÀ³¼vÅT¤Fª÷ì¤lªºì¤ly°ì[13]¡C 13-Relativity in Chemistry: The Color of Gold http://math.ucr.edu/home/baez/physi...gold_color.html Chemists often consider the first sub-shell of a given angular momentum to be anomalous. The 3d, filled in copper, is less shielded by the s and p subshells than you might otherwise expect. Silver, with a filled 4d behaves more like you think it should. Now when you get to gold (5d) relativistic effects become important. Compared to non-relativistic results the s and p subshells are more contracted (the so-called relativistic stabilization) while d and f are destabilized and more diffuse. So gold also behaves somewhat differently. If you were to do a solid state calculation on gold without including relativistic effects you would predict it to be silvery. Including relativistic effects you get reasonably good agreement with reality.
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Master Member
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https://www.google.com.tw/search?cl...YHsGp0gTE64yABw
What Gives Gold that Mellow Glow? What causes the colors of metals like gold?
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Master Member
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