Application of the pendulum magnetometer to measurements of the magnetic susceptibility of solids under pressure: the V4S9Br4 compound
B. Verkin Institute for Low Temperature Physics and Engineering National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkiv, 61103, Ukraine
Received August 1, 2015
This paper describes the design and operation of pendulum-type magnetometer to measure the magnetic susceptibility of weakly magnetic solids under high gas pressure. A feature of the device is the placement of a mechanical pendulum system directly into the high-pressure chamber. As an example of the magnetometer application, the experimental dependence of susceptibility on the pressure up to 2 kbar in the temperature range 60–300 K is presented for the V4S9Br4 compound.
PACS: 07.35.+k High-pressure apparatus; shock tubes; diamond anvil cells; PACS: 07.55.Jg Magnetometers for susceptibility, magnetic moment, and magnetization measurements; PACS: 75.80.+q Magnetomechanical effects, magnetostriction.
Key words: high-pressure techniques, magnetic susceptibility, V4S9Br4.