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A simple automated system for hall effect measurements.

Abas, Ariffin and Shaari, Abdul Halim and Talib, Zainal Abidin and Abd. Wahab, Zaidan (2012) A simple automated system for hall effect measurements. Sains Malaysiana, 41 (5). pp. 611-615. ISSN 0126-6039

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Abstract

This project deals with the development of a computer interfacing technique for the study of Hall effect. A stepper motor with resolution of 0.1 mm was used to move a pair of permanent magnet backward and forward against the sample. The General Purpose Interface Bus (GPIB) card together with a digital nanovoltmeter and teslameter using serial port siri RS232, interface were used to measure the potential difference and magnetic field strength, respectively. Hall effect for YBa2Cu3-xTixO7-δ system (x=0.00, 0.01, 0.03 and 0.05) showed positive sign Hall coefficient showing that the material is a hole type carrier at room temperature. Parameters such as Hall coefficient and charge carrier concentration were also display on the front panel of Lab View programming.

Item Type:Article
Keyword:Hall effect; Hall coefficient; Charge carrier concentration.
Faculty or Institute:Faculty of Science
ID Code:25089
Deposited By: Nur Farahin Ramli
Deposited On:24 Jul 2013 16:25
Last Modified:29 Sep 2015 10:08

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