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National
Institute Of
Technology,
Srinagar
Class Name
TEACHER:DR.M.A.SHAH
ENROLLMENT
NO.-2017BCSE017
ROLL NO 119
SECTION:B
Nanotechnology and
Computer science
Tab1
Report Notebook
IN THIS SECTION:
 Introduction
 Technology and techniques
 Current scenarios of
nanotechnology and computer
science
 Conclusion
 Query
PHYSICS
DEPARTMENT
Tab2
INTRODUCTION
Nanotechnology is the technology based on
tiny things mostly comprising of
nanostructures, atoms and molecules. Its scale
of measurement is nanometer scale, which is
one billionth of a meter which is smaller than
wavelength of visible light or hundred
thousand width of a human hair. It is the
engineering of functional system at molecular
scale. In its original sense, 'nanotechnology'
refers to the projected ability to construct
items from the bottom up, using techniques
and tools being developed today to make
complete, high performance products. The idea
of nanotechnology was first proposed by a
physicist named Richard Feynman in 1959.
Report Notebook
PHYSICS
DEPARTMENT
Tab3
Report Notebook
Nanotechnology uses the technique of Nanofabrication which
helps to manipulate and integrate at atomic level and is
particularly interest for computer engineer because it opens
the door to super-high-density microprocessors and memory
chips. It is the design and manufacture of devices with
dimensions measured in nanometers. One can broadly divide
various nanofabrication techniques into two categories:
 TOP-DOWN APPROACH: Top down approach seeks to create
smaller devices by using larger ones to direct their assembly.
The top down approach often uses the traditional micro
fabrication methods in which externally controlled tools are
used to cut, mill and shape materials into the desired shape and
order .The most common top down fabrication technique is
nano lithography. In this process required material is protected
by a mask and the exposed material is etched away. Depending
upon the level of resolution required for features in the final
product etching of the base material can be done chemically
using acids or mechanically using ultra violet light, x-rays or
electron beams. This is the technique applied to manufacture
computer chips.
PHYSICS
DEPARTMENT
Tab4
Report Notebook
 BOTTOM-UP APPROACH: It relies
on molecular recognition and self-
assembly to fabricate
nanostructures out of smaller
building blocks (molecules, colloids,
and clusters). It has a more
chemical engineering and material
science flavor and relies on
fundamentally different principles.
A good example of this kind of
approach is found in nature; all cells
use enzymes to produce DNA by
taking the component molecules
and binding them together to make
the final structure. Chemical
synthesis, self-assembly, and
molecular fabrication are all
examples of bottom-up techniques
DEPARTMENT
NAME
Current Scenarios of Nanotechnology and
Computer Science
The impact of nanotechnology on computers has a few unique
twists; which are mainly in the research and development
phases. Here are examples of how nanotechnology has
changed computer and its various aspect:
 Carbon Nanotube Computer: Carbon nanotubes (CNTs) are
hollow cylinders composed of a single sheet of carbon atoms.
It has been observed that CNT has same property as Silicon
transistor and thus they act as semiconductor which makes
them suitable for being used as transistor in computer chips. A
team of Stanford engineers has built a basic computer using
carbon nanotubes, which has the potential to make a new
generation of electronic devices that run faster, and makes
use of less energy, as compared with silicon chips. This
nanotube processor is made up of 178 transistors, each of
which contains carbon nanotubes that are about 10 to 200
nanometer long. It has been reported by the they have made
six versions of carbon nanotube computers, out of which one
them can be connected to external hardware, and a numerical
keypad that can be used to input numbers for addition.
 Quantum Computing: Quantum computing may well be the
future of most high-end data centers. These future computers
are not based upon digital 1’s and 0’s. Instead these future
computers are based upon qubits (quantum bits). The power
of magnetic forces at a subatomic scale will unleash the
exponential power of future computers. By manipulating the
rotation of atoms, data can be transmitted and stored at an
unprecedented rate. Physicists have found a way to extend
the quantum lifetime of electrons by more than 5,000 per
cent. Electrons exhibit a property called 'spin' and work like
tiny magnets which can point up, down or a quantum
superposition of both. The state of the spin can be used to
store information and so by extending their life the research
provides a significant step.
Tab5
DEPARTMENT
NAME
CONCLUSION:
• Nanotechnology will be able to improve scientific exploration by far simply
because nanites are so small.
 The current trends and the future development will lead to huge
contribution in the field of computer science.
 Today nanotechnology being in the fourth generation of evolution is likely
to show outstanding innovations in near future.
 This will increase the quality of life in our society
QUERY:
1.Without seeing with the naked eye how can we make use of
nanomaterials for manufacturing purposes?
2.Is it possible to make use of nanomaterials in cancer treatment?
Are they carcinogenic?
3.What is the use of nanomaterials in Artificial Intelligence(AI).

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Nanotechnology and computer science

  • 2. Tab1 Report Notebook IN THIS SECTION:  Introduction  Technology and techniques  Current scenarios of nanotechnology and computer science  Conclusion  Query PHYSICS DEPARTMENT
  • 3. Tab2 INTRODUCTION Nanotechnology is the technology based on tiny things mostly comprising of nanostructures, atoms and molecules. Its scale of measurement is nanometer scale, which is one billionth of a meter which is smaller than wavelength of visible light or hundred thousand width of a human hair. It is the engineering of functional system at molecular scale. In its original sense, 'nanotechnology' refers to the projected ability to construct items from the bottom up, using techniques and tools being developed today to make complete, high performance products. The idea of nanotechnology was first proposed by a physicist named Richard Feynman in 1959. Report Notebook PHYSICS DEPARTMENT
  • 4. Tab3 Report Notebook Nanotechnology uses the technique of Nanofabrication which helps to manipulate and integrate at atomic level and is particularly interest for computer engineer because it opens the door to super-high-density microprocessors and memory chips. It is the design and manufacture of devices with dimensions measured in nanometers. One can broadly divide various nanofabrication techniques into two categories:  TOP-DOWN APPROACH: Top down approach seeks to create smaller devices by using larger ones to direct their assembly. The top down approach often uses the traditional micro fabrication methods in which externally controlled tools are used to cut, mill and shape materials into the desired shape and order .The most common top down fabrication technique is nano lithography. In this process required material is protected by a mask and the exposed material is etched away. Depending upon the level of resolution required for features in the final product etching of the base material can be done chemically using acids or mechanically using ultra violet light, x-rays or electron beams. This is the technique applied to manufacture computer chips. PHYSICS DEPARTMENT
  • 5. Tab4 Report Notebook  BOTTOM-UP APPROACH: It relies on molecular recognition and self- assembly to fabricate nanostructures out of smaller building blocks (molecules, colloids, and clusters). It has a more chemical engineering and material science flavor and relies on fundamentally different principles. A good example of this kind of approach is found in nature; all cells use enzymes to produce DNA by taking the component molecules and binding them together to make the final structure. Chemical synthesis, self-assembly, and molecular fabrication are all examples of bottom-up techniques DEPARTMENT NAME
  • 6. Current Scenarios of Nanotechnology and Computer Science The impact of nanotechnology on computers has a few unique twists; which are mainly in the research and development phases. Here are examples of how nanotechnology has changed computer and its various aspect:  Carbon Nanotube Computer: Carbon nanotubes (CNTs) are hollow cylinders composed of a single sheet of carbon atoms. It has been observed that CNT has same property as Silicon transistor and thus they act as semiconductor which makes them suitable for being used as transistor in computer chips. A team of Stanford engineers has built a basic computer using carbon nanotubes, which has the potential to make a new generation of electronic devices that run faster, and makes use of less energy, as compared with silicon chips. This nanotube processor is made up of 178 transistors, each of which contains carbon nanotubes that are about 10 to 200 nanometer long. It has been reported by the they have made six versions of carbon nanotube computers, out of which one them can be connected to external hardware, and a numerical keypad that can be used to input numbers for addition.  Quantum Computing: Quantum computing may well be the future of most high-end data centers. These future computers are not based upon digital 1’s and 0’s. Instead these future computers are based upon qubits (quantum bits). The power of magnetic forces at a subatomic scale will unleash the exponential power of future computers. By manipulating the rotation of atoms, data can be transmitted and stored at an
  • 7. unprecedented rate. Physicists have found a way to extend the quantum lifetime of electrons by more than 5,000 per cent. Electrons exhibit a property called 'spin' and work like tiny magnets which can point up, down or a quantum superposition of both. The state of the spin can be used to store information and so by extending their life the research provides a significant step. Tab5 DEPARTMENT NAME CONCLUSION: • Nanotechnology will be able to improve scientific exploration by far simply because nanites are so small.  The current trends and the future development will lead to huge contribution in the field of computer science.  Today nanotechnology being in the fourth generation of evolution is likely to show outstanding innovations in near future.  This will increase the quality of life in our society QUERY: 1.Without seeing with the naked eye how can we make use of nanomaterials for manufacturing purposes? 2.Is it possible to make use of nanomaterials in cancer treatment? Are they carcinogenic? 3.What is the use of nanomaterials in Artificial Intelligence(AI).