Wan-Xin Liu, Rui Chen, Yong-Jie Liu, Jun-Feng Wang, Xiao-Tao Han, Ming Yang. A pulsed high magnetic field facility for electric polarization measurements [J]. Acta Physica Sinica, 2020, 69(5): 057502-1
- Acta Physica Sinica
- Vol. 69, Issue 5, 057502-1 (2020)
Fig. 1. Schematic drawing for pulsed-high-magnetic-field polarization measurement system.
Fig. 2. Pulsed magnetic fields generated by different capaciter banks (Inset: A full pulse including both positive and negative pulsed magnetic fields).
Fig. 3. (a) Circuit diagram of electric polarization measurement; (b) measurement paths in steady and pulsed magnetic fields (The sawtooth lines denote the measuring process with applying voltage).
Fig. 4. (a) The sample probe for electric polarization measure-ment; (b) the bottom of the probe (Left: a standard design; right: a rotation probe).
Fig. 5. Electric polarization measurement of multiferroic Co4Nb2O9: (a) Raw data; (b) the resulting P (H ) curve.
Fig. 6. Polarization curves of polycrystalline Ni2V2O7 in high magnetic fields (ΔP = P (H ) – P (H = 0))[11]
Fig. 7. Study on polarization reversal and magnetoelectric memory effect of Ni3V2O8 in different voltages (First, an electric field of +500 kV/m is applied to measure the electric polarization at 1.6 K. Then, two successive pulsed fields are performed by applying an electric field of –500 kV/m).
Fig. 8. Angle-dependent polarization measurements of Co2V2O7 in high magnetic fields (the magnetic field is rotated in the bc plane, and the angle between the magnetic field and the c -axis direction is represented by θ ).
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