dorsal/arxiv
View Schema3 omega method for specific heat and thermal conductivity measurements
| Authors | L. Lu, W. Yi, D. L. Zhang |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0202038 |
| URL | https://arxiv.org/abs/quant-ph/0202038 |
| DOI | 10.1063/1.1378340 |
| Journal | Review Of Scientific Instruments 72, 2996 (2001) |
Abstract
We present a 3 omega method for simultaneously measuring the specific heat and thermal conductivity of a rod- or filament-like specimen using a way similar to a four-probe resistance measurement. The specimen in this method needs to be electrically conductive and with a temperature-dependent resistance, for acting both as a heater to create a temperature fluctuation and as a sensor to measure its thermal response. With this method we have successfully measured the specific heat and thermal conductivity of platinum wire specimens at cryogenic temperatures, and measured those thermal quantities of tiny carbon nanotube bundles some of which are only 10^-9 g in mass.
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"abstract": "We present a 3 omega method for simultaneously measuring the specific heat\nand thermal conductivity of a rod- or filament-like specimen using a way\nsimilar to a four-probe resistance measurement. The specimen in this method\nneeds to be electrically conductive and with a temperature-dependent\nresistance, for acting both as a heater to create a temperature fluctuation and\nas a sensor to measure its thermal response. With this method we have\nsuccessfully measured the specific heat and thermal conductivity of platinum\nwire specimens at cryogenic temperatures, and measured those thermal quantities\nof tiny carbon nanotube bundles some of which are only 10^-9 g in mass.",
"arxiv_id": "quant-ph/0202038",
"authors": [
"L. Lu",
"W. Yi",
"D. L. Zhang"
],
"categories": [
"quant-ph"
],
"doi": "10.1063/1.1378340",
"journal_ref": "Review Of Scientific Instruments 72, 2996 (2001)",
"title": "3 omega method for specific heat and thermal conductivity measurements",
"url": "https://arxiv.org/abs/quant-ph/0202038"
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