论文标题
在低温和高磁场上用于磁化测量的微型电容法拉迪力磁力计
Miniature capacitive Faraday force magnetometer for magnetization measurements at low temperatures and high magnetic fields
论文作者
论文摘要
提出了一种法拉第力量磁力计，用于测量低至100 〜MK的温度和最高14〜t的磁场的磁化测量。样品安装在柔性的悬臂上，形成一个与固定的后板结合使用力的电容器。提出了两种不同的悬臂设计。抗扭转的悬臂可以测量高度各向异性单晶样品的磁化。金属有机量子磁铁（C $ _5 $ h $ _ {12} $ n）$ _ 2 $ _ 2 $ cubr $ _4 $（bpcb）和NICL $ _2 $ _2 $ 4 \ cdot $ 4 SC（NH $ _2 $）$ _ 2 $ _ 2 $（DTN）表明该设备的包装符。通常，标本的磁矩的分辨率大于$ 10^{ - 7} $ a $ \，$ m $^2 $（$ 10^{ - 4} $ EMU）。小型化的设备几乎是任何低温恒温器。
A Faraday force magnetometer is presented for measurements of magnetization at temperatures down to 100~mK and in magnetic fields up to 14~T. The specimen is mounted on a flexible cantilever forming a force-sensing capacitor in combination with a fixed back plate. Two different cantilever designs are presented. A torsion resistant cantilever allows to measure magnetization of highly anisotropic single crystal samples. Measurements of the metal organic quantum magnets (C$_5$H$_{12}$N)$_2$CuBr$_4$ (BPCB) and NiCl$_2$$\cdot$4 SC(NH$_2$)$_2$ (DTN) demonstrate the device's capabilities. Routinely, a specimen's magnetic moment is measured with a resolution better than $10^{-7}$ A$\,$m$^2$ ($10^{-4}$ emu). The device in miniaturized to fit is almost any cryostat.
