New Ceramic Nanocomposite Demonstrates High IR Transmittance, Thermal Stability ÀμâÇϱâ
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2020-01-02 15:35:14  |  Á¶È¸ 2705


New Ceramic Nanocomposite Demonstrates High IR Transmittance, Thermal Stability

»õ·Î¿î ¼¼¶ó¹Í ³ª³ë º¹ÇÕ¹°³ôÀº IR Åõ°úÀ²¿­ ¾ÈÁ¤¼º ÀÔÁõ



VLADIVOSTOK, Russia, 2019³â 12¿ù 27ÀÏ 

·¯½Ã¾Æ¿ìÅ©¶óÀ̳ª ¹× Áß±¹ÀÇ °úÇÐÀÚ¸¦ Æ÷ÇÔÇÏ´Â ¿¬±¸ÆÀÀº Àû¿Ü¼± (IR) ¹üÀ§¿¡¼­ ÃÖ´ë 6000nmÀÇ ÆÄÀåÀ¸·Î 70 % ÀÌ»óÀÇ ºûÀ» Åõ°úÇϴ Y2O3-MgO ¹Ì¼¼ ÀÔÀÚ º¹ÇÕ ¼¼¶ó¹Í Àç·á¸¦ °³¹ßÇß½À´Ï´Ù.

¼¼¶ó¹Í ³ª³ë º¹ÇÕ¹°Àº IR ¹üÀ§¿¡¼­ÀÇ ÀÛµ¿À» À§ÇÑ À¯¸ÁÇÑ Àç·á·ÎÁøº¸µÈ ¿­ ¾ÈÁ¤¼º¿­Àüµµµµ¿Í ±â°èÀû ¾ÈÁ¤¼ºÀ¸·Îµµ ¾Ë·ÁÁ® ÀÖ´Ù.

±ÕÀÏÇÑ µÎ »ó ºÐÆ÷, Y2O3-MgO ³ª³ë º¹ÇÕüÀÇ ±â°èÀû ¹× ±¤ÇÐÀû Æ¯¼ºÀº ´ÜÀÏ »óÀÇ »ó¿ë ¾Æ³¯·Î±× ÀΠY2O3¿Í MgO¸¦ ´É°¡ÇÕ´Ï´Ù. 



IR- Åõ¸íÇÑ ¼¼¶ó¹Í ³ª³ë Àç·á º¹ÇÕü.  FEFU.


Y2O3-MgOÀÇ FESEM À̹ÌÁö 

º¹ÇÕ ¼¼¶ó¹ÍÀº 1100 ¡Æ C (a), 1200 ¡Æ C (b), 1250 ¡Æ C (c) ¹× 1300 ¡Æ C (d)¿¡¼­ ¼Ò°á(áÀÌ¿)

µÈ ½ºÆÄÅ© ÇöóÁÀÔ´Ï´Ù. FEFU ÃâÆÇ»ç Á¦°ø.


¹°ÁúÀº Á¦¾îµÈ ÀÔÀÚ Å©±â¸¦ °®´Â Y2O3¿Í MgO ³ª³ë ºÐ¸»·Î Á¦Á¶µÇ¾ú´Ù. ¡®½ºÆÄÅ© ÇöóÁ ¼Ò°á¡¯À̶ó ºÒ¸®´Â ºü¸¥ °íÇüÈ­(ͳû¡ûù) ¹æ¹ýÀ» »ç¿ëÇÏ¿© ºÐ¸»À» ¾ÐÃà ÇÏ¿´´ÙÀÌ °úÁ¤Àº 8 ºÐÀÌ °É·ÈÀ¸¸ç 1300 ¡É¿¡¼­ 60MPaÀÇ ¾Ð·Â ÇÏ¿¡¼­ ¼öÇàµÇ¾ú´ÙÀÌ ¹æ¹ýÀº °úÇÐÀÚµéÀÌ È®»ê ¹°Áú Àü´ÞÀ» ¾ïÁ¦ÇÏ°í ÀÓ°è Å©±â (¾à 400nm) ÀÌ»óÀ¸·Î °áÁ¤ÀÔÀÚ°¡ Ä¿Áö´Â °ÍÀ» ¸·´Âµ¥¿¡ µµ¿òÀÌ µÇ¾ú½À´Ï´Ù.

 

FEFUÀÇ ¿¬±¸ÆÀ ÀåÀΠDenis Kosyanov´Â ¼Ò°á ¿Âµµ°¡ Áõ°¡Çϸé Y2O3-MgO ³ª³ë º¹ÇÕüÀÇ IR Åõ¸íµµ°¡ Áõ°¡ÇÏ°í 1300 ¡Æ C¿Í 1350 ¡Æ C »çÀÌ¿¡¼­ ÃÖ°í °ªÀÌ ´Þ¼ºµÈ´Ù°í ¸»Çß´Ù. Kosyanov´Â ¡°ÀÌ´Â »ùÇà ¹ÐµµÀÇ Áõ°¡°áÁ¤ÀÔÀÚÀÇ ¼ºÀå°áÁ¤¸³ °£ °æ°è ±æÀÌÀÇ °¨¼Ò ¶§¹®ÀÌ´Ù¡±¶ó°í ¸»Çß´Ù¼Ò°á ¿Âµµ°¡ ³ôÀ»¼ö·Ï ½Ã½ºÅÛÀÇ ±ÕÇüÀÌ ¹Ù²î°í  Y2O3¿Í MgO ÀÔÀÚÀÇ Áö±×Àç±× ±¸Á¶°¡ ±úÁö°í ¼ÒÀ§ ºñÁ¤»óÀûÀÎ ÀÔÀÚ ¼ºÀåÀÌ ÀϾ´Ï´Ù.

»õ·Î¿î Àç·á´Â ÷´Ü »ý»ê °øÁ¤¿¡ »ç¿ëµÉ ¼ö ÀÖ½À´Ï´Ù¿¹¸¦ µé¾îÇ×°ø ¿ìÁÖ °øÇп¡¼­ IR ½Ã½ºÅÛÀ» À§ÇÑ ½Çµù À©µµ¿ì (shielding windows Â÷Æó âµîÀ» Á¦Á¶ÇÕ´Ï´Ù.




Ãâó : https://www.photonics.com/Articles/New_Ceramic_Nanocomposite_Demonstrates_High_IR/a65410


   
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