User

Pyroelectric Crystals

Pyroelectric crystals are materials that have the ability to generate an electric charge in response to a change in temperature. This property is due to a lack of symmetry in the crystal structure that results in a difference in polarization between different regions of the crystal. Common pyroelectric materials include quartz, tourmaline, and some ferroelectric ceramics. These materials have various applications, including thermal imaging, temperature sensing, and energy harvesting. The efficiency of a pyroelectric crystal is determined by its pyroelectric coefficient, which is a measure of the amount of electric charge generated per unit temperature change. The most efficient pyroelectric crystal can vary depending on the specific application and requirements, but some of the commonly used materials with high pyroelectric coefficients include LiTaO3 (lithium tantalate), LiNbO3 (lithium niobate), and BaTiO3 (barium titanate). These materials are widely used in various applications such as thermal imaging and energy harvesting. The key parameters that describe the performance of pyroelectric crystals are: Pyroelectric coefficient: It is a measure of the amount of electric charge generated per unit temperature change. The higher the coefficient, the more efficient the crystal is in generating an electric charge. Curie temperature: It is the temperature at which the crystal undergoes a phase transition and loses its pyroelectric properties. Dielectric constant: It is a measure of the ability of the material to store electric energy. High dielectric constant results in higher energy storage capacity. Depolarization field: It is the minimum electric field required to completely depolarize the crystal, and is related to the stability of the crystal's polarization. Time constant: It is the time required for the crystal to reach its steady state polarization after a temperature change. Electromechanical coupling coefficient: It is a measure of the sensitivity of the crystal to mechanical stress, and is related to the efficiency of the energy conversion process. Thermal conductivity: It is a measure of the ability of the crystal to transfer heat, and is important for energy harvesting and thermal imaging applications.

TGS (Triglycine Sulphate, (NH2CH2COOH)3 H2SO4) (0)

DTGS (Deuterated Triglycine Sulphate, (ND2CD2COOD)3 D2SO4) (0)

ATGS (L-α-Alanine Doped TGS, L-α-Ala (NH2CH2COOH)3 H2SO4) (0)

ADTGS (L-α-Alanine Doped DTGS) (0)

Sort by:

Nanjing Crylink Photonics Co Ltd

, CN Manufacturer

Single Crystal Materials and optical components used in lasers, imaging and other optical areas

View Catalog View Blog

View Supplier Contact

CASTECH Inc

, CN Manufacturer

NLO, Laser Crystals, Magneto-Optical Crystals, Birefringent Crystals, AO & EO Crystals, Scintillation Crystals. Precision Optics, Laser Components

View Catalog View Blog

View Supplier Contact

Cryslaser Inc

, CN Manufacturer

Large diameter YAG series crystals by Cz method Nd:YAG, Nd:Ce:YAG, Cr4+:YAG, Yb:YAG, Er:YAG and undoped YAG, KBBF, BBO, diffusion bonded crystals, AR coatings.

View Catalog View Blog

View Supplier Contact

HQ Graphene

, NL Manufacturer

Manufacturer of high quality 2D single crystals.

View Catalog View Blog

View Supplier Contact

View Supplier Contact

View Supplier Contact

View Supplier Contact

View Supplier Contact