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  • Surface Characterization with AFM   (1 ÆäÀÌÁö)
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  • Surface Characterization with AFM   (1 ÆäÀÌÁö)
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Surface Characterization with AFM

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ÆÄÀÏ : Surface Characterization with AFM.ppt   [Size : 5 Mbyte ]
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³ª³ë±â¼úÀÔ¹® ¹ßÇ¥ÀÚ·á·Î AFM¿¡ Àü¹ÝÀûÀÎ ¿ø¸® ¹× ÃøÁ¤¹æ½Ä ±×¸®°í Àå´ÜÁ¡À» ´ã¾Æ º¸¾Ò´Ù.
¶ÇÇÑ Ç¥¸é ºÐ¼®À» À§ÇØ AFMÀÌ »ç¿ëµÇ´Â ½Ç ¿¹¸¦ ³í¹®À» Åä´ë·Î Á¤¸®ÇØ º¸¾Ò´Ù.
¸¶Áö¸·À¸·Î »ý¹°ÇÐÀû ÀÀ¿ë¿¡ »ç¿ëµÇ´Â AFMÀÇ ¿¹¸¦ º¸¾ÒÀ¸¸é °á·ÐÀ» ³»·È´Ù.
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1. Definition of AFM

2. Principle of AFM

3. Atomic force

4. Measurement types of AFM

Contact mode
Non-contact mode
Tapping mode

5. Advantage & disadvantage of AFM

6. Examples of surface ch-aracterization with AFM

Self-assembled 1,4-dithiane on gold surface
Thiomacrocyclic ionophore (LB film)

7.Biological application

8.Conclusions

º»¹®ÀϺÎ
1. Definition of AFM
AFM( Atomic force microscope)
:¿øÀÚ°£·Â Çö¹Ì°æÀ̶õ ¶æÀ¸·Î ¿øÀÚ¿Í ¿øÀÚÀÇ ¹Ý¹ß·Â°ú ÀηÂÀ» ÀÌ¿ëÇÏ¿© Ç¥¸éÀ» °üÂû
STM(Scanning Tunneling Microcopy)ÀÌ ½ÇÇèÁ¶°ÇÀÌ ±î´Ù·Ó°í µµÃ¼¸¸ °üÂûÇÒ ¼ö ÀÖ´Ù´Â ¹®Á¦Á¡ ÇØ°á
AFM¿¡¼­´Â STM°ú´Â ´Þ¸® ÅÖ½ºÅÙ ¶Ç´Â ¹é±ÝÀ¸·ÎµÈ Žħ´ë½Å ³ª³ë±â¼ú·Î Á¦Á¶µÈ ÇÁ·Îºê¸¦ »ç¿ëÇϴµ¥ ÀÌ ÇÁ·Îºê´Â ÇÁ·ÎºêÀÇ ¸ðÆÇ(substrate) ³¡¿¡ ¾ÆÁÖ ¹Ì¼¼ÇÑ Èû(³ª³ë´ºÅæ)¿¡¼­ ½±°Ô ÈÖ¾îÁö´Â ÆÇÇü ½ºÇÁ¸µ(cantilever) ³¡¿¡ ¿øÀÚ ¸î °³ Á¤µµÀÇ Å©±â·Î ³¡ÀÌ °¡°øµÈ Žħ(tip)À» ºÙ¿´´Ù. ÀÌ ÇÁ·Îºê ŽħÀÇ ³¡À» »ùÇà ǥ¸é¿¡ ±ÙÁ¢½ÃÅ°¸é ¾Æ·¡±×¸² °ú°°ÀÌ ²ø¾î´ç±â´Â ¶Ç´Â ¹Ð¾î ³»´Â ¿©·¯ °¡Áö Èû(ÈûÀÇ Æ¯¼ºÀº ¾Æ·¡ÀÇ Ç¥ Âü°í)ÀÌ »ùÇÃÇ¥¸éÀÇ ¿øÀÚ¿Í Å½Ä§³¡ÀÇ ¿øÀÚ»çÀÌ¿¡ ÀÛ¿ëÇϴµ¥ ÀÌ Èû¿¡ ÀÇÇØ ÄµÆ¼·¹¹öÀÇ ÈÚÀÌ ¹ß»ýÇÏ°í ÀÌ ÈûÀÌ ÀÏÁ¤ÇÏ°Ô À¯ÁöµÇµµ·Ï Çϸ鼭 ±Íȯȸ·Î¿¡ ÀÇÇØ Á¤¹Ð Á¦¾î Çϸ鼭 °¢ ÁöÁ¡(x, y)¿¡¼­ ½ºÄ³³ÊÀÇ ¼öÁ÷À§Ä¡¸¦ ÀúÀåÇÏ¿© »ùÇÃÇ¥¸éÀÇ »ïÂ÷¿ø ¿µ»óÀ» ¾òÀ» ¼ö ÀÖ´Â ¿ø¸®·Î¼­ ¾Æ·¡¿Í °°Àº ¸î °¡Áö ´Ù¸¥ ¸ðµå°¡ ÀÖ´Ù.
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Contents
Definition of AFM
Principle of AFM
Atomic force
Measurement types of AFM
Contact mode
Non-contact mode
Tapping mode
Advantage & disadvantage of AFM
Examples of surface ch-aracterization with AFM
Self-assembled 1,4-dithiane on gold surface
Thiomacrocyclic ionophore (LB film)
Biological application
Conclusions
Definition of AFM
AFM( Atomic force microscope)
:¿øÀÚ°£·Â Çö¹Ì°æÀ̶õ ¶æÀ¸·Î ¿øÀÚ¿Í ¿øÀÚÀÇ ¹Ý¹ß·Â°ú ÀηÂÀ» ÀÌ¿ëÇÏ¿© Ç¥¸éÀ» °üÂû

STM(Scanning Tunneling Microcopy)ÀÌ ½ÇÇèÁ¶°ÇÀÌ ±î´Ù·Ó°í µµÃ¼¸¸ °üÂûÇÒ ¼ö ÀÖ´Ù´Â ¹®Á¦Á¡ ÇØ°á
Principle of AFM
Tip ½Ã·áÁ¢±Ù
Tip 翵Photodiode °¨Áö
Ç¥¸é À̹ÌÁöÈ­
Atomic force
Measurement types of AFM
Contact mode
ÀÛÀº Èû¿¡µµ ¸Å¿ì ¹Î°¨ÇÏ°Ô ¹ÝÀÀÇÏ¿© 0.01 nm Á¤µµ·Î ¹Ì¼¼ÇÏ°Ô ¿òÁ÷ÀÌ´Â °Í±îÁö ÃøÁ¤

ÆÁ°ú »ùÇð£ÀÇ ÈûÀÌ ÀÏÁ¤ÇÏ°Ô À¯Áö ÇÏ¿© Ç×»ó ÆÁ°ú »ùÇð£ÀÇ °£°ÝÀÌ Coulomb Force ´ë¿ª (1~10 nN )¿¡¼­ À¯Áö

Hooke`s Law
F¡ë-kx
F¡ëforce
¡¦(»ý·«)
Âü°í¹®Çå
Advanced in colloid and Interface Science 99(2002) 13-75
Journal 0f Colloid and Interface Science 301(2006) 585-593
Journal 0f Colloid and Interface Science 603(2007)21-26
ºÐ¼®È­ÇÐ․±â±âºÐ¼®, ½Å±¤¹®È­»ç, ÃÖÀ缺 °øÀú, 2003³â, pp241-248.
ºÐ¼®È­ÇÐ 8th, ÀÚÀ¯¾ÆÄ«µ¥¹Ì, ºÐ¼®È­Çб³À翬±¸È¸, 2004³â, pp827-886.


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