스핀트로닉스 - 기초물리학과 기술의 융합
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기기기기기기 기기기 기기 기기기기기기 기기기 기기기 기기기기 [email protected] POSTECH Technology Review @ AGIT, 2016 기 8 기 9 기
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Transcript of 스핀트로닉스 - 기초물리학과 기술의 융합
[email protected] Technology Review @ AGIT, 2016 8 9
?2
3
, .
HeadPlatter4
5 : ibm.com
6
, (1945)7
8
. .
- ( )2 = ( )
9
More is different - P. W. Anderson
10
(spin + electronics) .11
?12 N = 1/N = 1/2
Giant Magnetoresistance (GMR)
Albert Fert and Peter Grnberg (1988)
2007
13
14
15
- spin-transfer torque (STT)16
STT-MRAM
17
domain wall motion
18
Racetrack memory
19
Relativistic spintronics 20
=
- (spin-orbit coupling)
-
21
spin Hall effect (SHE)
22Kato et al., Science 306, 1901 (2004)
: -
1997 vs. Roberto Carlos23
HE & SHE
E. J. Hirsch, Phys. Rev. Lett. 83, 1834 (1999)24
SHE-STT MRAM
Liu et al., Science 336, 555 (2012)25
Magnetic Skyrmion
- 26
(topology)27
, Van Gogh (1889)
. , 28
Study the science of art. Study the art of science. Develop your senses - especially learn how to see. Realize that everything connects to everything else. Leonardo da VinciThank You
