Electrical conductivity and electromagnetic interference shielding of multiwalled carbon nanotube composites containing Fe catalyst. (Record no. 52184)

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control field MX-MdCICY
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control field 20250625160222.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18025
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245 10 - TITLE STATEMENT
Title Electrical conductivity and electromagnetic interference shielding of multiwalled carbon nanotube composites containing Fe catalyst.
490 0# - SERIES STATEMENT
Volume/sequential designation Applied physics letters, 84(4), p.589-591, 2004
520 3# - SUMMARY, ETC.
Summary, etc. Thin and flexible composite films of raw or purified multiwalled carbon nanotube (MWCNT)with various mass fractions and poly(methylmethacrylate)(PMMA)were synthesized for electromagnetic interference (EMI)shielding material. From scanning electron microscopy and high-resolution transmission electron microscopy photographs, we observed the formation of a conducting network through MWCNTs in an insulating PMMA matrix and the existence of an Fe catalyst in MWCNTs. The dc conductivity (?dc)of the systems increased with increasing MWCNT mass fraction, showing typical percolation behavior. The measured EMI shielding efficiency (SE)of MWCNT-PMMA composites by using the extended ASTM D4935-99 method (50 MHz-13.5 GHz)increased with increasing MWCNT mass fraction as ?dc. The highest EMI SE for raw MWCNT-PMMA composites was ?27 dB, indicating commercial use for far-field EMI shielding. The contribution of absorption to total EMI SE of the systems is larger than that of reflection. Based on magnetic permeability, we suggest raw MWCNTs and their composites can be used for near-field EMI shielding.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PMMA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CARBON NANOTUBE COMPOSITES
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Kim, H. M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Kim, K.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Lee, C. Y.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Joo, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Cho, S. J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Yoon, H. S.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Epstein, A. J.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1xpTozPnm2L-TDVB5bhL2DFS1THS29Z_Z/view?usp=drivesdk">https://drive.google.com/file/d/1xpTozPnm2L-TDVB5bhL2DFS1THS29Z_Z/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18025 25.06.2025 25.06.2025 Documentos solicitados