Phase Transition of Nickel Silicide Compounds and Their Electrical Properties
Crystal structure of nickel silicide compound
Nickel silicide compounds have particular crystal structures closely related to their chemical composition and preparation conditions. Regarding crystal structure, nickel silicide compounds can adopt different crystal structures, such as face-centered cubic and hexagonal structures. These other crystal structures have different lattice constants and crystal symmetries.
Phase transition types of nickel silicide compounds
Nickel silicide compounds undergo various phase transitions at high temperatures, including order-disorder and metal-insulator phases. Identifying these phase transition types is of great significance for understanding the changes in the physical and chemical properties of nickel silicide compounds.
Order-disorder phase transition
The order-disorder phase transition is a process in which a nickel silicide compound changes from an ordered crystal structure to a disordered liquid or gas state at high temperatures. This phase transition is usually accompanied by the rearrangement of atoms or molecules inside a substance, resulting in a change in the crystal structure. During the order-disorder phase transition, nickel silicide compounds' physical and chemical properties will change significantly, such as electrical conductivity, thermal conductivity, optical properties, etc.
Metal-insulator phase transition
Metal-insulator phase transition refers to the process of nickel silicide compound from a metallic state to an insulating state at high temperatures. This phase transition is usually associated with a change in the electronic structure, which significantly changes electrical properties. In the process of metal-insulator phase transition, the electrical properties of nickel silicide compounds, such as resistivity and conductivity, will change dramatically, which has an important influence on their electronic applications.
Factors affecting phase transformation of nickel silicide compounds
The phase transformation of nickel silicide compounds is affected by many factors, including temperature, pressure, composition, and preparation conditions. Here are some of the main influencing factors:
At high temperatures, the activity of atoms or molecules inside nickel silicide compounds is enhanced, resulting in phase transition. The temperature change will affect the lattice constant, crystal symmetry, and physical and chemical properties of nickel silicide compounds.
Pressure is also one of the critical factors affecting the phase transition of nickel silicide compounds. Under high pressure, the spacing of atoms or molecules inside the nickel silicide compound decreases, and the interaction force increases, which leads to the phase transition. The change in pressure will affect the crystal structure and physical and chemical properties of nickel silicide compounds.
Composition is another important factor affecting the phase transition of nickel silicide compounds. The phase transition behavior and physical and chemical properties of nickel silicide compounds can be regulated by changing the composition.
The preparation conditions are also one of the important factors affecting the phase transformation of nickel silicide compounds. The preparation conditions include reaction temperature, pressure, and time. The change in preparation conditions affects the crystal structure and physical and chemical properties of nickel silicide compounds.
Electrical properties of nickel silicide compounds
Band structure of nickel silicide compounds
Nickel silicide compounds have particular band structures closely related to their crystal structure. Band structure refers to the energy distribution of electrons in the crystal, which directly affects the material's conductive properties. Nickel silicide compounds have a narrow band gap, which makes them have a high transmittance in the visible light range.
Conductivity of nickel silicide compounds
It is related to the material's carrier type, concentration, and mobility. Nickel silicide compounds have the characteristics of high conductivity, which is mainly affected by temperature, magnetic field, and light irradiation. In terms of temperature, with the increase in temperature, the carrier activity inside the nickel silicide compound is enhanced, and the conductivity is also increased. In terms of magnetic field, the magnetic field can change the carrier distribution state inside the nickel silicide compound, thus affecting its conductivity. Light irradiation can excite the electrons inside the nickel silicide compound, increase the carrier concentration, and thus increase the conductivity.
Mobility of nickel silicide compounds
Mobility is a physical quantity that measures the mobility of charge carriers in a material under the action of an electric field. Nickel silicide compounds have the advantage of high mobility, making them a broad application prospect in high-speed electronic devices. The larger the value of mobility, the faster the carrier moves under the action of the electric field so that a faster electron transport speed can be obtained. In addition, the mobility of nickel silicide compounds is also affected by temperature, magnetic field, and light irradiation.
Resistivity of nickel silicide compounds
Resistivity is another necessary physical quantity to measure the electrical conductivity of materials. Nickel silicide compounds have the advantage of low resistivity, which makes them have a wide range of applications in manufacturing susceptible electronic devices. The lower the resistivity value, the better the material's conductivity so that electronic signal transmission can be more accurate. In addition, the resistivity of nickel silicide compounds is also affected by temperature, magnetic field, and light irradiation.
Photoelectric properties of nickel silicide compounds
Photoelectric property refers to the ability of a material to produce electron and hole pairs under light irradiation. Nickel silicide compounds have excellent photoelectric properties, which can absorb a large amount of light energy in the visible range and convert it into electricity. This perfect photoelectric property gives nickel silicide compounds a broad application prospect in photovoltaic devices such as solar cells and photodiodes. In addition, the photoelectric properties of nickel silicide compounds are also affected by temperature, magnetic field, and light irradiation.
Shipping of Nickel Silicide NickelSi Powder
There are many options for packing, which all depend on the amount of Ni2Si in your nickel silicide.
Packaging of Ni2Si nickel silicide powder You can vacuum pack 1kg/bag, 25kg/barrel or according to your requirements.
Powder shipping of nickel silicide Ni2Si After receipt of payment, items may be sent out either by air or sea.
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