An ultra-low magnetic field thermal demagnetizer for high-precision paleomagnetism
文献类型：期刊论文
| 作者 | ,1; ,1,5; ,1; ,3,4; ,1,2; ,1; ,4; ,1,6; ,1; Jiang, Zhaoxia
|
| 刊名 | Earth, Planets and Space
 |
| 出版日期 | 2020-11-04 |
| 卷号 | 72期号:1 |
| 关键词 | Paleomagnetism Thermal demagnetization Furnace AC magnetic field Residual magnetic field Heating wire structure Straight core solenoid |
| DOI | 10.1186/s40623-020-01304-0 |
| 英文摘要 | AbstractThermal demagnetization furnaces are widely used paleomagnetic facilities for progressive removal of naturally acquired magnetic remanence or the imparting of well-controlled laboratory magnetization. An ideal thermal demagnetizer should maintain “zero” magnetic field in the sample chamber during thermal treatments. However, magnetic field noises, including the residual magnetic fields of the construction material and the induced fields caused by the alternating current (AC) in the heating element are always present, which can contaminate the paleomagnetic results at the elevated temperatures or especially for the magnetically weak samples. Here, we designed a new structure of heating wire named “straight core solenoid” to develop a new demagnetization furnace with ultra-low magnetic field noise. Simulation and practical measurements show that the heating current magnetic field can be greatly reduced by using the new technology. Thermal demagnetization experiments demonstrate that the new demagnetizer can yield low noise results even for weakly magnetic samples. |
| 语种 | 英语 |
| WOS记录号 | BMC:10.1186/S40623-020-01304-0 |
| 出版者 | Springer Berlin Heidelberg |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/98206]  |
| 专题 | 地质与地球物理研究所_岩石圈演化国家重点实验室 地质与地球物理研究所_中国科学院地球与行星物理重点实验室 |
| 通讯作者 | , |
| 作者单位 | 1.Chinese Academy of Sciences; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics 2.Ocean University of China; Key Laboratory of Submarine Geosciences and Prospecting Techniques, Ministry of Education, and College of Marine Geosciences 3.University of Liverpool; Department of Earth, Ocean and Ecological Sciences 4.Chinese Academy of Sciences; Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics 5.Australian National University; Research School of Earth Sciences 6.Southern University of Science and Technology; Department of Marine Science and Engineering |
| 推荐引用方式 GB/T 7714 | ,,,,,,et al. An ultra-low magnetic field thermal demagnetizer for high-precision paleomagnetism[J]. Earth, Planets and Space,2020,72(1). |
| APA | ,.,,.,,.,,.,,.,...&Jiang, Zhaoxia.(2020).An ultra-low magnetic field thermal demagnetizer for high-precision paleomagnetism.Earth, Planets and Space,72(1). |
| MLA | ,,et al."An ultra-low magnetic field thermal demagnetizer for high-precision paleomagnetism".Earth, Planets and Space 72.1(2020). |
入库方式： OAI收割
来源：地质与地球物理研究所
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