Electronic
Technology| Electronic
Technology |
In General > s.a. [technology];
electricity.
* Spintronics: Short
for spin electronics, the study of electron spin in materials, with the
hope of developing an new microelectronic devices;
Based on the belief that up and down spin states can be exploited
to build smaller (potentially on atomic scale) binary devices that use less
power than charge-current-based devices, which furthermore may also
be in intermediate quantum states, which holds the potential for highly parallel
quantum computation.
@ Texts: Fischer-Cripps 05 [electronics, II].
@ Negative resistance: Lesurf NS(90)mar31,
p56-60.
@ Piezoelectricity: Valasek TPT(63).
@ Spintronics: Das Sarma AS(01);
Grundler pw(02)apr;
Zutic et al RMP(04);
Bland et al pw(08)jan.
@ Spinonics: Baskaran & Jafari PRL(02)
+ pn(02)jul
[no charge].
@ Molecular, carbon based: Tans et al Nat(98)may;
Heath & Ratner PT(03)may; > s.a. elements [C
nanotubes].
@ Organic electronic devices: Sheats et al Sci(96)aug
[electroluminescence].
@ Quantum phenomena: Chen et al IJTP(07)
[in mesoscopic circuits]; > s.a. quantum
technology.
@ Related topics: & Heath (UCLA),
Williams & Kuekes (HP) [chemically grown nanocomputers]; Auciello et al
PT(98)jul [ferroelectrics and data storage]; Wagner & Sols
PRL(99)
[i from e's deep beneath the Fermi surface]; Leonhardt & Philbin
NJP(06)cm [electrical
engineering metamaterials and general relativity].
MicroElectroMechanical Systems (MEMS) etc > s.a. casimir
effect.
* Idea: Small (microns
to mm) electrically-driven mechanical devices.
* Techniques: Surface
micromachining (thin films are deposited on a silicon surface and some of the
features are etched away to result in movable parts), bulk micromachining (features
are carved out of a silicon surface).
* Examples: Sensors (p, a,
gyros, imaging, flow), micromotors (inkjet printer jets, valves), mirrors,
etc; 1999, Dick Tracy watches by 2005?
* Molecular robots: 1999,
T R Kelly built a 78-atom motor [@ Kelly et al Nat(99)sep].
@ References: NS(96)jun29; Blencowe CP(05)
[NEMS, nanoelectromechanical systems]; Schwab & Roukes PT(05)jul
[quantum limits].
& UM seminar 26.02.1999 (Mark
Sheplak, U of Florida).
Superconducting and Magnetic Technology > s.a. superconductivity.
* SQUID: A Superconducting
Quantum Interference Device for very sensitive measurements of magnetic flux
which uses flux quantization and the Josephson Effect, built from 1 (dc SQUID,
1964) or 2 (rf SQUID, 1970) Josephson junctions, operating at a few Kelvins;
SQUIDs can
measure fields of femtotesla (10–15 T)
and monitor the magnetic fields produced by brain activity.
@ SQUIDs: Clarke SA(94)aug.
@ Magnetic technology: Geim PT(98)sep [research magnets].
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Send feedback and suggestions to bombelli at olemiss.edu – Modified
22 jul 2008