The LMT-B series 2D material transfer system is an in-house developed solution tailored to customer applications, specifically designed for the transfer and stacking of low-dimensional van der Waals heterostructures. It is ideal for precise alignment and transfer of monolayer materials such as graphene, molybdenum disulfide (MoS₂), and black phosphorus, as well as for the fabrication of multilayer heterojunctions.
The system enables visualized and controllable transfer operations and is composed of: monocular metallurgical microscope； precision temperature control system； vacuum adsorption system； high-precision 4-axis sample stage； 5-axis substrate stage with in-plane large-angle rotation capability
This system is a powerful tool for studying the properties of heterostructures, spatial inversion symmetry breaking, and the effects of different stacking orientations in 2D materials.
Technical Advantages:
- Integrated design, easy to operate
- High-resolution metallurgical imaging, enabling micron-scale transfer precision
- High positioning accuracy with zero-backlash design
- Precision temperature control module, adaptable to a wide range of materials
Application Fields:
- Twisted-angle superconductivity research
- 2D material stacking
- Van der Waals heterostructure fabrication
- Studies on inversion symmetry breaking in heterojunctions
Technical Specifications:
| Module | Specification |
|---|
| Substrate Stage | XY 2-axis manual stage, 60 mm × 60 mm platform, 25 mm travel; adjustment accuracy ≤ 2 μm; Z-axis rotary tilt, φ85 mm platform, ±5° fine tuning, visual resolution ≤ 0.8′. Tilt module: 60 mm × 60 mm, tilt ±2°, min. step 5′. Vacuum-heated chuck: max. 240 °C, PID controller, ±0.1 °C precision, high thermal conductivity. Optional cooling module for rapid heating/cooling. |
| Glass Slide Stage | XYZ 3-axis manual stage, 80 mm × 80 mm platform, 25 mm travel, accuracy ≤ 2 μm; Z-axis rotation, φ110 mm platform, ±5° fine tuning, visual resolution ≤ 0.57′. Optional magnetic base for slide mounting. |
| Monocular Metallurgical Microscope | Zoom ratio 1:6.5, magnification range 0.7×–4.5×, 20× ultra-long working distance objective (29.56 mm), total magnification ~900×; stable bracket; high-definition image with no visible shake at high magnification. |
| Microscope XY Adjustment | Microscope XY 2-axis fine adjustment, 50 mm travel, accuracy ≤ 2 μm; enables large-range visual alignment post-2D material stacking. |
| Imaging Camera | 12 MP high-sensitivity digital color camera, high-resolution imaging, comes with software. |
| Display Monitor | 24″ 2K HD display, with stable articulating arm bracket. |
| Integrated Electrical Controller | Centralized system control: manages sample heating, cooling, temperature modules, and vacuum adsorption. |
| Vacuum Pump | Output flow 7 L/min; vacuum up to –33.3 kPa; lifespan > 10,000 hours. |
| Optional Features | Probe station modules, optical vibration platforms, PDMS thermal release membranes, 2D materials (mechanical exfoliation, block types), objectives (10×, 100×), motorized control modules, glovebox compatibility, etc. |
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