Charge Transport Mechanism in Thin Cuticles Holding Nandi Flame Seeds

dc.contributor.authorRathore, I. V. S.
dc.contributor.authorKipnusu, Wycliffe K
dc.contributor.authorKatana, Gabriel
dc.contributor.authorMigwi, C. M.
dc.contributor.authorSangoro, Joshua R
dc.date.accessioned2013-10-29T11:48:22Z
dc.date.available2013-10-29T11:48:22Z
dc.date.issued2009
dc.descriptionDOI:10.1155/2009/548406en_US
dc.description.abstractMetal-sample-metal sandwich configuration has been used to investigate DC conductivity in 4 mum thick Nandi flame [Spathodea campanulata P. Beauv.] seed cuticles. J-V characteristics showed ohmic conduction at low fields and space charge limited current at high fields. Charge mobility in ohmic region was 4.06 x 10(-5) (m(2)V(-1)s(-1)). Temperature-dependent conductivity measurements have been carried out in the temperature range 320 K < T > 450 K. Activation energy within a temperature of 320 K-440 K was about 0.86 eV. Variable range hopping (VRH) is the main current transport mechanism at the range of 330-440 K. The VRH mechanism was analyzed based on Mott theory and the Mott parameters: density of localized states near the Fermi-level N(E(F)) approximately 9.04 x 10(19) (eV(-1)cm(-3)) and hopping distance R approximately 1.44 x 10(-7) cm, while the hopping energy (W) was in the range of 0.72 eV-0.98 eV.en_US
dc.identifier.citationInternational Journal of Biomaterials 01/2009; 2009:548406en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/7539
dc.language.isoenen_US
dc.publisherInternational Journal of Biomaterialsen_US
dc.titleCharge Transport Mechanism in Thin Cuticles Holding Nandi Flame Seedsen_US
dc.typeArticleen_US
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