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We are Supplier Artificial Saliva, Metal and Metal Oxide Powders, Dispersions, Nano & Micro Powders, MAXene & MXene Powder, Metrohm DropSens /Zensar Screen Printed Electrode, Laboratory Instruments, Tweezers, Tweezers Box, Tem Grids, Wafer, Mask.. Read More
Year of Establishment
1999
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Product Name : Cr2GaN MAX Phase Powder Pack Size: 10 gram, 50gram, 100gam , 250gram, 500 gram Product Name Cr2GaN MAX Phase Powder Cas No N/A Appreance Gray to Black Purity ≥98% APS 40-50µm Formula Cr2GaN Product no. SCM-MX-107/22 Description MAX-phase compounds with layered structure have been investigated extensively due to their excellent metallic and ceramic properties. Among them, Cr2GaC and Cr2GaN possess the same crystal structure and similar electronic structure, whereas Cr2GaN undergoes a spin-density-wave transition around 170 K but Cr2GaC is Pauli paramagnetism without any magnetic transition. To understand what make these happen, we studied the crystal structure between 300 and 35 K for both Cr2GaC and Cr2GaN. As the temperature decreases, the lattice constants (both a and c) decline monotonically in Cr2GaC, while an abnormal negative thermal expansion of c axis was observed below 170 K in Cr2GaN. The increase of c/a induced by abnormal increase of c leads to the enhancement of localization of Cr2N plane and causes more Cr-3d electrons confinement in Cr2N plane of Cr2GaN. This further facilitates the reconstruction of density of states near the Fermi surface and even forms the Fermi surface nesting, resulting in the spin-density-wave transition as well as the abrupt changes of resistivity, specific heat, and density of carriers around 170 K in Cr2GaN. Related Product: Cr2GaC MAX Phase Powder Fe doped Ti3AlC2 MXene Hf21nc MAX Phase Powder Related Information :- Storage Conditions: Airtight Sealed, Avoid light and keep dry at room temperature. Please contact us for customization & Price inquiry
product name : polyvinylidene fluoride micro powder pack size : 50 grams , 100 grams , 500 gram, 1000 gram , cas no: 24937-79-9 appearance white powder purity ≥99.9% aps 1-5 µm (can be customized) formula -(c2h2f2)n- product code scm-pvd-1810/22 molar mass 64.0341 density 1.78 g/cm³ melting point 155-160℃ solubility in water insoluble usage/application scientific research product description polyvinylidene fluoride (pvdf), also known as polyvinylidene difluoride and pvf2, is part of the fluoropolymers family; a group of specialised, versatile polymeric materials with distinct properties that result from the strong bond between their carbon atoms and fluorine atoms and the fluorine shielding of the carbon backbone. pvdf is a specialty polymer with pyroelectric and piezoelectric properties and is used in the manufacturing of diverse high-purity, high-strength, and high-chemical-resistance products for applications in electrical, electronic, biomedical, construction, fluid-systems, oil-and-gas. electrical and electronic industrial wire, cable coating, sleeve, heat shrinkable tube, bobbin, wiring board, printed circuit board, wire harness device, anode shield, high dielectric constant capacitor film and electric heating band, optical fiber sheath or outer coating, etc. because the dielectric loss of polyvinylidene fluoride is larger, especially suitable for low voltage electrical insulation. good processing strength, flexibility, easy processing, good transparency, easy coloring, so it is an excellent insulation material for low voltage electrical products. after unidirectional stretching and polarization treatment of polyvinylidene fluoride, it can change the vibration energy into electrical energy, and can also change the electrical energy into vibration energy. in addition, good processing, can be processed into a variety of free shapes, its application scope is expanding, has been applied to the piezoelectric film audio components, such as 10~20khz speakers, microphones, headphones, telephones, etc; such as> 20khz, up to 900mhz probe, microphone, ultrasonic microscope and ultrasonic air, etc.; measurement of vibration meter, pressure gauge, accelerometer, etc.; medical sphygmomanometer and palpation device; thermoelectric film has been used in radiation thermometer, infrared sensor, millimeter wave detector, radiation energy detector, laser energy detector; fire detector and anti-theft detector. related information : storage conditions: airtight sealed, avoid light, and keep dry at room temperature. suggest equipment eyeshields, gloves, type n95 (us), type p1 (en143) respirator filter
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