PAM XIAMEN offers Thermal Oxide Wafers, 2 – 4″ Research Grade.
Thermal oxide or silicon dioxide layer is formed on bare silicon surface at temperature range from 900°C ~ 1200°C . Compared to CVD deposited oxide layer, thermal oxide has a higher uniformity, and [...]
2019-05-20meta-author
PAM-XIAMEN offers 10*10mm2 SI (Semi-insulating) Freestanding GaN Substrate, which has a resistivity greater than 106 ohm-cm. Semi-insulating gallium nitride substrate with the advantages high critical breakdown electric field and good thermal stability are widely used in high-frequency and high-power devices. Following listed is one of the specifications:
1. [...]
2020-08-17meta-author
GaN(Gallium nitride), which is a compound semiconductor,it is a hard, high melting point materials, the melting point of about 1700 ° C, GaN is a high degree of ionizationof III-Vcompound (0.5 or 0.43). At atmospheric pressure, the GaN crystal is generally hexagonal wurtzite structure. In a cell four atoms, the atomic volume is about halfthat of the GaAs. GaN is Non-Toxic.
Basic Parameters for Wurtzite crystal structure at 300K:
Breakdown field
~5 x 106 V cm-1
Mobility electrons
=< 1000 cm2 V-1 s-1
Mobility holes
=< 200 cm2 V-1 s-1
Diffusion coefficient [...]
2012-05-21meta-author
GaN
PAM XIAMEN offers KH2PO4 crystal.
KH2PO4 (100), 10x10x 1.0 mm 1 Side polished
Crystal: Monopotassium Phosphate
Orientation: <100>
Size: 10 x 10 x 0.9 mm
Polished: one side polished
Package: 1000 class clean plastic bag sealed
Applications: Monopotassium Phosphate crystal [...]
2019-05-07meta-author
Electrical properties of n-GaAs epilayers, FET and HEMT structures grown on LT-GaAs by MBE
We have investigated the dependence of the conductive layer width and Hall mobility in n-GaAs/LT-GaAs structures on the conditions of low temperature (LT) buffer growth and on annealing parameters. Both the [...]
PAM XIAMEN offers EU DOPED CALCIUM FLUORIDE EU: CAF2 CRYSTAL.
To better serve you, we would like to discuss your specific requirement, Please Contact Us for a quote.
Eu doped calcium fluoride, Eu: CaF2, is an excellent scintillation crystal. It has been widely used in low energy nuclear physics [...]
2019-03-11meta-author