Proceedings of the 2nd IEEE Conference on Nanotechnology
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3D structuring of c-Si using porous silicon as sacrificial material
- Trang 33-36
A new three dimensional structuring technique for crystalline silicon is
investigated. Using porous Si with a typical pore size of a few nanometers three
dimensional shapes can be formed. The shape of the structures is provided by an
anodisation process in which crystalline Si is transformed to nanoporous Si.
Control of the local depth of the 3D structures is achieved by appropriate 2D
masking str...
#Silicon #Etching #Lithography #Crystalline materials #Crystallization #Shape control #Current density #Optical films #Anisotropic magnetoresistance #Plastics
Proceedings of the 2002 2nd IEEE Conference on Nanotechnology (Cat. No.02TH8630)
- 2002
Presents the front cover of the proceedings record.
A single-electron-transistor-based analog/digital converter
- Trang 487-490
We propose a novel analog/digital (A/D) converter based on single-electron
transistors (SETs) in this paper. In the proposed A/D converter, the core cell
is a SET module, composed of capacitive dividers and SET-based universal literal
gates. The SET-based universal literal gate is similar to the well-known
Tucker's inverter (J.R. Tucker, J. Appl. Phys., vol. 72, no. 9, pp. 4399-4413,
1992), but he...
#Analog-digital conversion #Inverters #Electrons #Switches #Character generation #Hysteresis #Circuit simulation #Low voltage
Standing ultrasonic wave separator
- Trang 453-455
This paper presents the design and preliminary results for a flow-through
particle separation unit using standing ultrasonic waves. The results indicate
that good separation is obtained at residence times as low as 14 seconds and
liquid velocities of 2 mm/sec. The effects of thermally and acoustically induced
streaming are discussed. The unit is being used to assess the effective ranges
and limits...
#Particle separators #Chemical technology #Pharmaceutical technology #Filtration #Laboratories #Chemical industry #Frequency #Glass #Bonding #Petroleum industry
A frequency-selective terahertz radiation detector based on a semiconductor superlattice with a resonator
- Trang 107-109
We propose the new design of the terahertz detector, which must have frequency
selection property and operate at room temperature. The idea is based on a
standing wave enhancement of detector responsivity. The detector contains
lateral semiconductor superlattice, broadband bow tie THz antenna and THz
resonator. As compared with well-known variant we change a technology of antenna
attachment to the...
#Frequency #Radiation detectors #Semiconductor superlattices #Submillimeter wave technology #Broadband antennas #Electrons #Voltage #Millimeter wave technology #Metallic superlattices #Physics
Chế tạo lỗ mở kích thước nhỏ hơn bước sóng cho đầu dò quang gần trên dải cantilever Dịch bởi AI
- Trang 173-176
Lỗ mở silicon oxit kích thước nano trên dải cantilever đã được chế tạo thành
công như một đầu dò quang gần. Nhiều quy trình bán dẫn đã được sử dụng để chế
tạo lỗ mở có kích thước nhỏ hơn bước sóng. Quy trình khắc chọn lọc anisotropic
của nền Si bằng dung dịch kiềm, sau đó là quá trình oxy hóa phụ thuộc vào phương
tinh thể, khắc plasma anisotropic và khắc oxit isotropic đã được thực hiện. Các
dải c...
#Optical device fabrication #Apertures #Probes #Anisotropic magnetoresistance #Geometrical optics #Optical arrays #Plasma applications #Dry etching #Wet etching #Silicon
The richness of the dispersion relation of photonic crystals: application to superprism effect and other remarkable effects
- Trang 219-222
Using the dispersion relation of the Bloch modes inside photonic crystals, we
develop a simple method to analyse and predict several effects such as the
so-called superprism effect or negative refraction. These tools are also shown
to be useful in the design of structures based on photonic crystals, for
example, to canalize the emission in a small angular domain.
#Dispersion #Photonic crystals #Optical refraction #Optical propagation #Electronic mail #Irrigation #Diffraction gratings #Computational modeling #Crystalline materials #Optical materials
Evaluation of program, erase and retention times of flash memories with very thin gate dielectric
- Trang 247-250
We have developed a code for the simulation of the complete program and erase
process of a flash EEPROM via direct Fowler-Nordheim tunneling from the channel.
The code is based on the solution of the Poisson-Schrodinger equation in one
dimension, and on the computation of the tunneling current from the detailed
solution of the barrier transmission problem. We are able to compute the
program, erase...
#Dielectrics #Nonvolatile memory #EPROM #Schrodinger equation #Tunneling #Voltage #Flash memory #Design optimization #Electrons #Charge carrier processes
An RF circuit model for carbon nanotubes
- Trang 393-396
We develop an rf circuit model for single walled carbon nanotubes for both dc
and capacitively contacted geometries. By modeling the nanotube as a
nano-transmission line with distributed kinetic and magnetic inductance as well
as distributed quantum and electrostatic capacitance, we calculate the complex,
frequency dependent impedance for a variety of measurement geometries. Exciting
voltage waves...
#Radio frequency #Circuits #Carbon nanotubes #Solid modeling #Geometry #Kinetic theory #Electrostatics #Quantum capacitance #Frequency dependence #Impedance
Effects of sub-gate bias on the operation of Schottky-barrier SOI MOSFETs having nano-scale channel
- Trang 205-208
The characteristics of a novel nano-scale silicon-on-insulator (SOI) device
featuring silicide Schottky source/drain and field-induced S/D extensions
induced by a sub-gate were investigated. The new device exhibits unique and
high-performance bi-channel operation capability. In this work, particular
attention was paid to the effects of subgate bias on the device operation. It is
shown that the app...
#MOSFETs #Nanoscale devices #Fabrication #Voltage #Passivation #Silicides #Annealing #CMOS process #Manufacturing #Contacts