Ewe, L.S. and Hamid, N.A. and Abd-Shukor, R. (2006) Electrical properties and microstructure of magnetoresistive ( (x = 0.0, 0.05, 0.15 and 0.3). Sains Malaysiana, 35 (2). pp. 73-77. ISSN 0126-6039
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Official URL: http://www.ukm.my/jsm/english_journals/vol35num2_2...
Abstract
The insulator-metal transition temperature, Tim of (x = 0.0, 0.05, 0.15 and 0.3) was studied during warming and cooling between 50 K to 300 K. The results showed that Tim of shifted to a higher temperature as Sr was substituted for La. Scanning electron micrographs showed that the average grain size is in the range of 0.6 µm - 1.4 µm. Grain boundaries are almost completely revealed for x = 0.3. X-Ray powder diffraction patterns showed cubic structure (space group Pm-3m) and contain no secondary phases.
| Item Type: | Article |
|---|---|
| Keywords: | magnetoresistance; microstructure; electrical resistance |
| Journal: | Sains Malaysiana |
| ID Code: | 3993 |
| Deposited By: | Mr Fazli Nafiah - |
| Deposited On: | 28 Mar 2012 04:28 |
| Last Modified: | 07 May 2012 04:33 |
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