2D Material Customization Service
- Graphene Material Customization Service
- 2D TMD Material Customization Service
2D Solution Customization Service
- Nb2C Solution Customization
- Black Phosphorus Solution Customization
- Tungsten Diselenide Solution Customization
- Molybdenum Diselenide Solution Customization
- Tungsten Disulfide Solution Customization
- Molybdenum Disulfide Solution Customization
- h-BN Solution Customization
- Graphene Oxide Solution Customization
- Germanium(II) Selenide Solution Customization
- Germanium(II) Sulfide Solution Customization
- Hafnium Disulfide Solution Customization
- Hafnium Diselenide Solution Customization
- Manganese Dioxide Solution Customization
- Tellurene Solution Customization
- Vanadium Carbide Solution Customization
- Titanium Carbide (Ti2C) Solution Customization
- Molybdenum Tungsten Disulfide Solution Customization
- Molybdenum Ditelluride Solution Customization
- Niobium Disulfide Solution Customization
- Rhenium Disulfide Solution Customization
- Rhenium Diselenide Solution Customization
- Tin Diselenide Solution Customization
- Titanium Disulfide Solution Customization
- Titanium Diselenide Solution Customization
- Titanium Carbide (Ti3C2) Solution Customization
- Tungsten Ditelluride Solution Customization
- Zirconium Disulfide Solution Customization
- Zirconium Diselenide Solution Customization
- 2D Material Layer Transfer Service
- 2D Material Heterojunction Customization Service
- 2D Crystals Custom Growth Service
- 2D Material Customization Service
2D Material Modification Services
- 2D Material Optical Modification Service
- 2D Material Plasma Modification Service
- 2D Materials Atomic-Level Structural Modification Service
2D Material Testing Services
- 2D Material Surface Characterization
- 2D Material Structure Characterization
- 2D Materials Electrical Characterization Research
- Thermal Test of 2D Materials
- 2D Materials Optoelectronics Research
- Mechanical Testing of 2D Materials
- 2D Magnetic Materials Characterization
- CHNSO Elemental Analysis for 2D Materials
- Atomic Force Microscope for 2D Materials
- Transmission Electron Microscope for 2D Materials
- Scanning Electron Microscope for 2D Materials
- Fourier Transform Infrared Spectroscopy for 2D Materials
- Nuclear Magnetic Resonance Spectroscopy for 2D Materials
- X-Ray Photoelectron Spectroscopy for 2D Materials
- X-ray Diffraction for 2D Materials
- Raman Scattering for 2D Materials
- Scanning Probe Techniques for 2D Materials
- X-Ray Fluorescence for 2D Materials
- BET Specific Surface Area Analysis for 2D Materials
- ICP-OES and ICP-MS Analysis for 2D Materials
- Auger Electron Spectroscopy for 2D Materials
- Photoluminescence Spectroscopy for 2D Materials
- Surface Profiler for 2D Materials
- 2D Material Simulation Computing Service
2D Materials Electrical Characterization Research
Two-dimensional (2D) materials show a lot of promise for nanoelectronics in the future. Some 2D materials exhibit unique electrical capabilities due to their rich electronic band structure, allowing them to be used in innovative electronic and optoelectronic devices. As a result, precise characterization of important features of 2D materials, such as conductivity, carrier density, mobility, contact resistance, interfacial trap density, and so on, is critical for the field's growth. Alfa Chemistry offers our customers a unique 2D material electrical characterization service to accurately design and implement functional properties in nanoscale material systems to support their applications.
Electrical Measurements on 2D Materials
The quantum Hall effect is highly powerful in 2D materials with a rich electronic band structure, and it may be seen even in very pure materials at ambient temperature. Alfa Chemistry has made some of the most precise measurements of this phenomenon to show that it may be used as an electrical resistance quantum standard. Our researchers have shown that quantum standards for current in 2D materials may be produced by patterning a sequence of microscopic quantum dots and controlling them with rapid RF signals.
Fig 1. Related electrical characterization methods for 2D FETs. (Mitta S. B, et al. 2021)
Alfa Chemistry investigates the physics underpinning these quantum effects, intending to improve accuracy and usefulness while also discovering novel effects that might be used in metrology and industry. We attempt to link the electrical qualities observed to the morphological and chemical parameters assessed.
Unique Electrical Characterization Service
Alfa Chemistry offers our newest measurement service for the electrical characterization of various 2D materials - Hall effect measurements that are exposed to a variety of different environmental conditions, such as gas contaminants, humidity, and temperature ranges. It's great for organizations working on next-generation materials or products that must function in severe environments. The service identifies electrical and magnetic transport parameters of continuous thin films or patterned devices, such as thin-layer resistance, carrier type, density, and mobility, in a quick and reliable manner. Most notably, it enables the monitoring of materials' electronic characteristics that are affected by short- and long-term environmental changes. This is especially important for sensitive materials such as 2D materials.
Furthermore, the service aids in the troubleshooting of manufacturing processes by assisting in the understanding of the influence of various material choices and ambient circumstances on production efficiency and product performance. It will also be valuable for organizations looking to diversify their product offerings by exploring horizontal market prospects for existing items under different environmental circumstances.
Initial in-situ annealing of the sample enables for the desorption of airborne adsorbates, allowing for the measurement of the material's inherent characteristics. Changes in environmental conditions are extremely controllable because of the use of calibrated electronic controllers and gas concentration monitoring using gas mixes and mass spectrometers. This technique is used to characterize the electrical properties of specific materials without device patterning. In addition, moderate vacuum annealing successfully restores the material's intrinsic characteristics.
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- Mitta S. B, et al. (2021). "Electrical Characterization of 2D Materials-Based Field-Effect Transistors." 2D Mater. 8: 012002.
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