Applications
Used with scanning tunneling microscopes for material research by applying magnetic fields in different directions: semiconductor quantum Hall effect, scanning spectroscopy (STM/AFM), single-electron tunneling, metal-insulator transition, RF transport, high-frequency conductivity, superconducting tunnel junctions, DC/AC low-frequency transport, and magnetic measurements.
VMC Series Adaptability
- Compatible with low-temperature confocal microscopy optical systems;
- Supports microwave interfaces required for optically detected magnetic resonance;
- Compatible with low-temperature scanning probe excitation and signal acquisition systems;
- Supports automatic adjustment of NV center axial magnetic field.
VMC-111 Vector Magnet
| Technical Specifications |
| Room Temperature Bore | 150 mm |
| Magnetic Field Strength | X, Y, Z = 1T/1T/1T |
| Height | <480 mm |
| Magnet Weight | 600 kg |
| Excitation Current Z coil | 72.4 A |
| Excitation Current X/Y | 79.6 A |
| DSV Homogeneity X/Y | ±4% @ 10 mm |
| DSV Homogeneity Z | ±1 ppm @ 10 mm |
| 5 GS Line Size | <2.3 m |
Features
•Vector magnetic field can be tilted or rotated in 2D or 3D space;
•Cryogen-free conduction cooling for the magnet;
•Superconducting magnet with comprehensive quench protection;
•Vector field excitation time <1 hour.
VMC-333 Vector Magnet
| Technical Specifications |
| Room Temperature Bore | > 65 mm |
| Magnetic Field Strength | X, Y, Z = 3 T / 3 T / 3 T |
| Closed-loop operation for X, Y, Z axes; field drift after closed loop | < 0.1 ppm/h |
| Weight | < 400 kg |
| Height | < 1500 mm |
| DSV Homogeneity X / Y | ±0.5 % @ 10 mm |
| DSV Homogeneity Z | ±0.05% @ 10 mm |
| Diameter | < 600 mm |
Features
- Cryogen-free conduction cooling for the magnet;
- Superconducting magnet with comprehensive quench protection;
- Uses a rotary valve split-type low-vibration pulse tube cryocooler with cooling capacity: 1.5W @ 4.2K;
- Vector field excitation time <1 hour;
- Magnet equipped with emergency quench switch for rapid field removal.
VMC-622 Vector Magnet
| Technical Specifications |
| Cold Bore Diameter | 90 mm |
| Magnetic Field Strength | X, Y, Z = 6T/2T/2T |
| Sample Space | 75 mm |
| Excitation Rate | 2 A/min |
| Field Stability | 10⁻³/hr |
| DSV Homogeneity X/Y | ±0.5% @ 10 mm |
| DSV Homogeneity Z | ±0.1% @ 10 mm |
Features
- Cryogen-free conduction cooling for the magnet;
- Superconducting magnet with comprehensive quench protection;
- Vector tilt angle relative to vertical (Z-axis) is 2.5°, with vector field magnitude of 6 T;
- Arbitrary direction vector field of 1 T, X and Y axes tilt angle of 2.5°, vector field magnitude of 2 T.
