Magneto-Conductance Effect of Natural Porphyrin Thin Films Fabricated by Spin Coated Method

Utari Utari; Muhammad Musta’in; Budi Purnama; Mudasir Mudasir; Kamsul Abraha

doi:10.4028/www.scientific.net/AMR.1123.131

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1123Magneto-Conductance Effect of Natural Porphyrin...

Magneto-Conductance Effect of Natural Porphyrin Thin Films Fabricated by Spin Coated Method

Abstract:

We present magneto conductivity measurements in natural porphyrin thin films in magnetic fields of 100 Oe at room-temperature. The films used in this experiment were isolated from natural spirulina sp by chromatography procedure with n-hexane. Each layer fabricated by spin coater methods with rotation speed of 2500 rpm for 60 second is followed post heating at temperature of 60°C for 300 second. The procedure is repeated N times. Magneto-conductance effect is presented at room temperature with induce magnetic field in plane of films. The results show that ratio magneto-conductance decreases with the increase of voltage provided. The magneto-conductance ratio increase with the increase of N repetition number. Finally, both the results indicate that magneto-conductance effect could be realized due to annihilation of carrier charge.

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Advanced Materials Research (Volume 1123)

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131-134

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https://doi.org/10.4028/www.scientific.net/AMR.1123.131

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Online since:

August 2015

Authors:

Utari Utari, Muhammad Musta’in, Budi Purnama, Mudasir Mudasir, Kamsul Abraha*

Keywords:

Magneto-Conductance, Printed Circuit Board, Spin Coater, Substrate, Thin Films Porphyrin

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