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yjyang07

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专业: 凝聚态物性 II ：电子结构

[交流] 【交流】MPMS磁性测量系统的样品杆问题

Quantum Design 公司的MPMS磁性测量系统的样品杆有多种选择。有的有导线可以通过样品杆向样品加电压和通上电流。这里有个问题就是：样品杆能够承受的直流电压有多大？比如加个400V的直流能不能受得了？

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天行健，君子以自强不息～～～～～

1楼 2009-09-26 22:27:30

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

depend on the resistance of your sample.

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remember that a current of several tens of mA is OK for the rod.

you can make an estimate:
the diameter of wires used for electrical connection between the top and bottom connectors of the rod is about 0.1 mm. you may measure this diameter by check wires at the bottom connector of the rod as they are exposed to the air.

like to know a little bit more details of your experiments.