Literaturnachweis - Detailanzeige
| Autor/inn/en | Osorio, M. R.; Morales, A. Palacio; Rodrigo, J. G.; Suderow, H.; Vieira, S. |
|---|---|
| Titel | Demonstration Experiments for Solid-State Physics Using a Table-Top Mechanical Stirling Refrigerator |
| Quelle | In: European Journal of Physics, 33 (2012) 4, S.757-770 (14 Seiten)
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0143-0807 |
| DOI | 10.1088/0143-0807/33/4/757 |
| Schlagwörter | Climate; Physics; Observation; Graduate Students; Science Instruction; College Science; Science Experiments; Magnets; Scientific Principles; Motion; Thermodynamics; Science Laboratories |
| Abstract | Liquid-free cryogenic devices are acquiring importance in basic science and engineering. But they can also lead to improvements in teaching low temperature and solid-state physics to graduate students and specialists. Most of the devices are relatively expensive, but small-sized equipment is slowly becoming available. Here, we have designed several simple experiments which can be performed using a small Stirling refrigerator. We discuss the measurement of the critical current and temperature of a bulk YBa[subscript 2]Cu[subscript 3]O[subscript 7 - [delta]] (YBCO) sample, the observation of the levitation of a magnet over a YBCO disc when cooled below the critical temperature and the observation of a phase transition using ac calorimetry. The equipment can be easily handled by students and also used to teach the principles of liquid-free cooling. (Contains 10 figures and 8 footnotes.) (As Provided). |
| Anmerkungen | Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail: info@ioppubusa.com; Web site: http://www.iop.org/EJ/journal/EJP |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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