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Chapter V Dielectric Study of ……
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nature has been found for L-threonine and DL-methionine doped KDP
crystals, in figures (5.15) and (5.16), respectively.
A.C.Resistivity
2.4x10 8
2.0x10 8
1.6x10 8
1.2x10 8
8.0x10 7
4.0x10 7
0.0
2.0 2.5 3.0 3.5
Log F
4.0 4.5 5.0
Figure: 5.14 Plots of a.c. resistivity versus frequency for pure and L-histidine doped
KDP crystals.
Figure: 5.15 Plots of a.c. resistivity versus frequency for pure and L-threonine doped
KDP crystals.
A.C.Resistivity
2.4x10 8
2.0x10 8
1.6x10 8
1.2x10 8
8.0x10 7
4.0x10 7
0.0
Figure:5.16 Plots of a.c. resistivity versus frequency for pure and DL-methionine doped
KDP crystals.
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Pure KDP
KDP + 0.3 w t.% L-histidine
KDP + 0.4 w t.% L-histidine
KDP + 0.5 w t.% L-histidine
P u re K D P
K D P + 0.3 w t. % D L-m eth io n in e
K D P + 0.4 w t. % D L-m eth io n in e
K D P + 0.5 w t. % D L-m eth io n in e
2.0 2.5 3.0 3.5
L o g f
4.0 4.5 5.0