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Unformatted text preview: temperature.
ion implantation ions. and distance between the two
or ions as a function A process in which ions of light
of
Comparison of Equations 2.4–1the 2.4–2 shows that the repulsive force is dominantpossible, giving a coordination numbe
at
or
crystal on which each at
elements such as boron and nitrogen are the derivative
small values ions. This attractive force dominatesto made separation distances. linear density
atoms or of x and the curve is equivalent at larger to impinge
bondforce curve be found by setting the sum of the forces 0.74. HCP and The number of atom
The curve that describes the of
FCC are closepack
closepacked structures
onthe bondenergy curve.
the surface of the workpiece at high velocity. The
of The equilibrium separation distance x0 can athe total
crystallographic direction per unit leng
relationship between
equal to zero. That is, equilibrium occurs at the value of x force between two atoms
for which
coefﬁcient of type in which the spheric
thermal expansion t h
surface hardensThe equilibrium separation distance
due to penetration
bond length or ions asZaZfunction of the ions.
liquid crystal An anisotropic ﬂuid,
2
of the distance between the two
K
1 2q
through the equation giving ta coordi
possible, t h
h T, w
Fa x
x
0
(2.4–3)
lossary
ionic bond FrA type of ions. 2Thisbond involving
between two atoms oror 4primary x m estimated from to the derivative
solution characterized by molecular al
atoms ions. 0It can be
curve is equivalent
x
coefﬁcient of of 0.74. HCP and FCC a
thermal expansion is the
electronegativeof theelectropositivepoint where display
and bondenergy curve. that the energy
either the bondenergy curve in the directions in which ions areain contact with
(the atoms
liquid metal embrittlement Ain te
deg
Note that Equation 2.4–3 is valid only
relates thermal strain to of thermal ex
coefﬁcient changes
signiﬁcant differenceshows the electronegativity separation distance
in their The equilibrium competing
is aanother. Figure or thelength relationship betweenpoint where...
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This note was uploaded on 02/25/2013 for the course PHYS 2202 taught by Professor Sowell during the Spring '10 term at Georgia Institute of Technology.
 Spring '10
 sowell
 Physics, Atom, The Crucible, ........., IRWIN / Schaffer

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