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Memory Nanodevices Based on Carbon Nanotube-Fe-Pt Interconnects： Electromagnetic Simulations and Magnetically Stimulated Nanotube Growth

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材料科学与工程（中英文B版） 2015年第3期5卷 120-134页

作者： stefano belluccl Federico Micciullal Yuri Shunin Yuri Zhukovskii Viktor Gopejenko Nataly Burlutskaya Tamara Lobanova-Shunina Aldo Capobianchi INFN - Laboratori Nazionali di Frascati Via Enrico Fermi 40 1-00044 Frascati- (Rome) Italy Institute of Solid State Physics University of Latvia L V-1063 Riga Latvia ISMA University LV-1019 Riga Latvia Aviation Institute Riga Technical University L V-1019 Riga Latvia Istituto di Struttura della Materia-CNR A.d.R. Roma Via Salaria Km 29.300 Monterotondo (Rome) Italy

The parametrically controlled production of CNTs (Carbon nanotubes) with predefined morphologies is a topical technological problem for modern nanoelectronics. The CVD (Chemical vapor deposition) technique for SWCNTs (Single walled carbon nanotubes) in the presence of various metal nanoparticle catalysts is generally used now. The application of a magnetically stimulated CVD process scheme and catalyst nanoparticles with a strong magnetism promises additional possibilities for the CVD process management and allows expecting a predictable growth of CNTs with set chiralities and diameters. The main attention is focused on the magnetically anisotropy Pt-Fe in L10 crystallographic phase nanoparticles effect research. The developed theoretical cluster approach based on the multiple scattering and effective medium approximation is used for simulation of fundamental electromagnetic properties in Pt-Fe L10-CNT interconnects, which are responsible for developing CNTs morphologies. The proposed model of "effective bonds" and the model of magnetic stimulation for growing CNTs morphologies generated on the Pt-Fe nanoparticle surface are applied for the evaluation of the expected CNT chiralities distribution. The model and conditions controlled magnetically, which stimulate CNT growth in the CVD process, aimed at the predictable SWCNT diameter and chirality and based on Pt-Fe L10 catalyst are discussed. The possibilities of CNT forest growing on FePt nanoparticles for magnetic nanomemory are also evaluated.

关键词：单壁碳纳米管电磁仿真磁刺激存储器生长互连 Pt纳米粒子纳米催化剂

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