Deck 33: Nanofabrication Technologies

Question 1

Nanotechnology refers to the fabrication and application of entities whose feature sizes are in which of the following ranges (one best answer):

A)0.1 nm-10 nm
B)1 nm-100 nm
C)100 nm-1000 nm

Answer 1

1 nm-100 nm

Question 2

One nanometer is equivalent to which of the following (two correct answers):

A)1 x 10^-3 $\mu$ m
B)1 x 10^-6 m
C)1 x 10^-9 m
D)1 x 10⁶ mm.

Answer 2

1 x 10^-3 $\mu$ m
1 x 10^-9 m

Question 3

Nanotechnology products and applications can be organized into three categories: (1) incremental, (2) evolutionary, and (3) radical.Both incremental and evolutionary involve nanoparticles in great numbers.The difference is that in incremental nanotechnology each nanoparticle accomplishes some unique function, whereas in evolutionary nanotechnology the particles function in aggregate:

Answer 3

False

Question 4

Considering the three categories in the previous question, the concept of nanorobots is included within which category:

A)incremental
B)evolutionary
C)radical.

Question 5

Which of the following are correct statements about a buckyball (three best answers):

A)it contains 60 atoms
B)it contains 100 atoms
C)it contains 600 atoms
D)it is a carbon atom
E)it is a carbon molecule
F)it is shaped like a basketball
G)it is shaped like a tube
H)it is shaped like a volleyball

Question 6

The conductivity of certain types of nanotubes is significantly greater than that of copper:

Question 7

NNI stands for which one of the following:

A)Nanoscience Naval Institute
B)Nanoscience Nonsense and Ignorance
C)National Nanoscience Initiative
D)National Nanotechnology Initiative
E)Nanotechnology News Investigation

Question 8

The surface-to-volume ratio of a cube that is 1 x 10^-6 m on each edge is significantly greater than the surface-to-volume ratio of a cube that is 1 m on each edge:

Question 9

The proportion of surface molecules relative to internal molecules is significantly greater for a cube that is 1 x 10^-6 m on each edge than for a cube that is 1 m on each edge:

Question 10

Which one of the following microscopes can achieve the greatest magnification:

A)electron microscope
B)optical microscope
C)scanning tunneling microscope

Question 11

Which of the following are considered techniques that fall within the category called top-down approaches to nanofabrication (three best answers):

A)biological evolution
B)electron-beam lithography
C)micro-imprint lithography
D)scanning probe techniques
E)self-assembly
F)X-ray lithography

Question 12

Which of the following are considered techniques that fall within the category called bottom-up approaches to nanofabrication (three best answers):

A)electron beam lithography
B)extreme ultraviolet lithography
C)chemical vapor deposition to produce carbon nanotubes
D)nano-imprint lithography
E)scanning probe techniques
F)self-assembly
G)X-ray lithography

Question 13

Which of the three methods of producing carbon nanotubes has the advantage that it can be operated continuously, which makes it attractive for mass production:

A)carbon arc technique
B)chemical vapor deposition
C)laser evaporation method

Question 14

Dip-pen nanolithography uses which one of the following techniques and/or devices:

A)atomic force microscope
B)chemical vapor deposition
C)electron beam lithography
D)nano-imprint lithography
E)self-assembly

Question 15

A self-assembled monolayer has a thickness that is which one of the following:

A)one micrometer
B)one millimeter
C)one molecule
D)one nanometer