According to Fig. 1 in Rev. Lett. 76 (1996) 2302, calculate the spring constant (k) of an Au single-atom chain (N = 1), given by , where is the breakdown force that is required to break a single-atom chain, and is the distance that a single-atom chain can be stretched until breakdown.
According to Fig. 1 in Rev. Lett. 76 (1996) 2302, calculate the spring constant (k) of an Au single-atom chain (N = 1), given by , where is the breakdown force that is required to break a single-atom chain, and is the distance that a single-atom chain can be stretched until breakdown.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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According to Fig. 1 in Rev. Lett. 76 (1996) 2302, calculate the spring constant (k) of an Au single-atom chain (N = 1), given by , where is the breakdown force that is required to break a single-atom chain, and is the distance that a single-atom chain can be stretched until breakdown.
Transcribed Image Text:20
AFM cantilever
cantilever beam
15
gold sample
gold tip
(a)
(b)
- AF
-8
-10
0.0
0.5
1.0
1.5
tip displacement (nm)
conductance (2e³/h)
force (nN)
10
2.
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