TY - GEN
T1 - N-type conduction in ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition using Li3PO4-blended graphite targets
AU - Gima, Hiroki
AU - Suzuki, Itsuro
AU - Yoshitake, Tsuyoshi
N1 - Publisher Copyright:
© The Electrochemical Society.
PY - 2016
Y1 - 2016
N2 - Co-doping of lithium and phosphorus, which produce shallow donor levels in diamond, was examined for ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition. Semiconducting behaviors were electrically observed and the production of n-type conduction by doping was confirmed thermally. The electrical conductivity is on the order of 10-6 S/cm at room temperature, which suggests that the doping efficiency is extremely small. Totally considering the results of near-edge X-ray absorption fine structure and X-ray photoelectron spectra, Li2CO3 is supposed to be formed in the doped films, which might be a reason for the low doping efficiency.
AB - Co-doping of lithium and phosphorus, which produce shallow donor levels in diamond, was examined for ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition. Semiconducting behaviors were electrically observed and the production of n-type conduction by doping was confirmed thermally. The electrical conductivity is on the order of 10-6 S/cm at room temperature, which suggests that the doping efficiency is extremely small. Totally considering the results of near-edge X-ray absorption fine structure and X-ray photoelectron spectra, Li2CO3 is supposed to be formed in the doped films, which might be a reason for the low doping efficiency.
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U2 - 10.1149/07525.0037ecst
DO - 10.1149/07525.0037ecst
M3 - Conference contribution
AN - SCOPUS:85025134935
T3 - ECS Transactions
SP - 37
EP - 44
BT - Carbon Nanostructures
A2 - Weisman, R. B.
A2 - Rotkin, S. V.
A2 - Imahori, H.
A2 - Atanassov, P. B.
PB - Electrochemical Society Inc.
T2 - Symposium on Carbon Nanostructures: From Fundamental Studies to Applications and Devices - PRiME 2016/230th ECS Meeting
Y2 - 2 October 2016 through 7 October 2016
ER -