Goals and objectives of the Section:

Integrated studies of the physical and mechanical properties of different types of materials, carbon nanostructures and composites on their basis, including thin films and coatings, diamonds and diamond powders.

• V. Kulibaba, Researcher.
• N. Batova, Senior Engineer
• A. Melnik, Senior Engineer
• L. Solovyova, Senior Engineer

Types and ranges of measurements:

Scanning Probe Microscopy

Integrated studies of different objects with high spatial resolution. Available SPM measuring methods:

• Scanning tunneling microscopy (STM);
• Tunneling spectroscopy;
• Contact atomic force microscopy (AFM);
• Lateral Force Microscopy (LFM);
• Resonance AFM semi-contact + non-contact);
• Phase imaging mode;
• Force modulation mode;
• Adhesion force imaging;
• Spreading resistance imaging;
• Scanning Capacitance Microscopy (SCM);
• Kelvin probe force microscopy;
• Magnetic force microscopy;
• Electric Force Microscopy (EFM);
• Shear force microscopy;
• Elastic modulus Measurement by method of Approach Curve;
• Hardness Measurement by sclerometry method.

Integrated studies of relief and surface structures and mechanical properties measurements (including hardness and elasticity modulus) of bulk materials and thin films at submicron and nanometer length scale. Mapping of the surface topography by raster scanning with 1,5 nm step in scanning area up to 100 microns.
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Measurements of Density,
Micro-hardness and Elastic Modulus

Weighing capacity range:
from 0,01 to 1,0 g with accuracy of 0,001 g;
from 1,0 g to 60 g with accuracy of 0,1 g;
from 60 g to 200 g with accuracy of 0,3 g.

Provides research in transmitted and reflected light. Max. range of total magnification 3000x. Available study methods: bright field, dark field, Nomarski differential interference contrast, polarization.

Provides precision measurements of phase velocity of longitudinal ultrasonic waves in samples of various constructional materials (metals, alloys, ceramics, plastics, composites) with one-sided access to the sample. Frequency range of opto-acoustic transducer: 0,1 - 15 MHz, thickness of the object of control: 0,2 - 100 mm, range of the measured velocity of ultrasound: (0,1 - 99) × 10³ m/s, maximum relative accuracy: 3%. The system has elastic modulus of material measurement mode for small samples.

Broadband acoustic scanning microscope provides studies of the inner microstructure of the solids by acoustic A-scanning method, B-scanning method and method of V(Z)-curves. Works in the reflection mode at frequencies of 25 MHz and 100 MHz in a pulse mode (with duration of 30 ns) and continuous modes. Mechanical scanning unit provides precise scanning with acoustic lens along the X direction (parallel to the surface), and Z (perpendicular to the surface). On samples with plane-parallel faces, velocity of ultrasonic longitudinal and shear waves can be measured with an accuracy of ~ 1%.

With sensitivity of 0,0002 microns, the System measures 22 roughness parameters and 4 parameters of corrugations of external and internal (grooves, holes) surfaces, which cross-sections in a measurement plane can be both straight lines and bend round lines (balls, rollers, etc.) with measurement of the radius.