Rapid electron beam assisted patterning of pure cobalt at elevated temperatures via seeded growth

L. M. Belova; E. D. Dahlberg; A. Riazanova; J. J.L. Mulders; C. Christophersen; J. Eckert

doi:10.1088/0957-4484/22/14/145305

Rapid electron beam assisted patterning of pure cobalt at elevated temperatures via seeded growth

L. M. Belova, E. D. Dahlberg, A. Riazanova, J. J.L. Mulders, C. Christophersen, J. Eckert

Physics and Astronomy (Twin Cities)

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41 Scopus citations

Abstract

A new method of direct, rapid nano-to micro-scale patterning of high purity cobalt is presented. The method utilizes a combination of electron beam induced deposition (EBID) and seeded growth at elevated temperatures below the temperature of spontaneous thermal decomposition. Dicobalt octacarbonyl Co ₂(CO)₈ is used as the precursor and carbon as a seed layer. Seeded deposition is carried out in the substrate temperature range from 55 to 75 °C. Deposition yield is significantly higher than conventional EBID and magnetotransport measurements indicate that resistivity, 22 νΩcm, and saturation magnetization, 1.55T, are much closer to the corresponding values for bulk Co than those for standard EBID.

Original language	English (US)
Article number	145305
Journal	Nanotechnology
Volume	22
Issue number	14
DOIs	https://doi.org/10.1088/0957-4484/22/14/145305
State	Published - Apr 8 2011

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abstract = "A new method of direct, rapid nano-to micro-scale patterning of high purity cobalt is presented. The method utilizes a combination of electron beam induced deposition (EBID) and seeded growth at elevated temperatures below the temperature of spontaneous thermal decomposition. Dicobalt octacarbonyl Co 2(CO)8 is used as the precursor and carbon as a seed layer. Seeded deposition is carried out in the substrate temperature range from 55 to 75 °C. Deposition yield is significantly higher than conventional EBID and magnetotransport measurements indicate that resistivity, 22 νΩcm, and saturation magnetization, 1.55T, are much closer to the corresponding values for bulk Co than those for standard EBID.",

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AU - Belova, L. M.

AU - Dahlberg, E. D.

AU - Riazanova, A.

AU - Mulders, J. J.L.

AU - Christophersen, C.

AU - Eckert, J.

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N2 - A new method of direct, rapid nano-to micro-scale patterning of high purity cobalt is presented. The method utilizes a combination of electron beam induced deposition (EBID) and seeded growth at elevated temperatures below the temperature of spontaneous thermal decomposition. Dicobalt octacarbonyl Co 2(CO)8 is used as the precursor and carbon as a seed layer. Seeded deposition is carried out in the substrate temperature range from 55 to 75 °C. Deposition yield is significantly higher than conventional EBID and magnetotransport measurements indicate that resistivity, 22 νΩcm, and saturation magnetization, 1.55T, are much closer to the corresponding values for bulk Co than those for standard EBID.

AB - A new method of direct, rapid nano-to micro-scale patterning of high purity cobalt is presented. The method utilizes a combination of electron beam induced deposition (EBID) and seeded growth at elevated temperatures below the temperature of spontaneous thermal decomposition. Dicobalt octacarbonyl Co 2(CO)8 is used as the precursor and carbon as a seed layer. Seeded deposition is carried out in the substrate temperature range from 55 to 75 °C. Deposition yield is significantly higher than conventional EBID and magnetotransport measurements indicate that resistivity, 22 νΩcm, and saturation magnetization, 1.55T, are much closer to the corresponding values for bulk Co than those for standard EBID.

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Rapid electron beam assisted patterning of pure cobalt at elevated temperatures via seeded growth

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