Quartz Sensor Measurement for N₂–H₂ Plasmas

Abstract

We present our theoretical investigations into the formalism of the transient effects during photorefractive two-wave mixing. An analytical model has been developed based on Kukhtarev's band-transport equations and on the linearization approximation. The physical phenomena involved during transients have been predicted for both drift and diffusion mechanisms. Good agreement is found when our model is compared with previous works, especially with the experimental measurements performed with BSO crystals by Heaton and Solymar. †

Radial integrals for the magnetic form factor of 5dtransition elements

“…This technique can measure the spin and orbital contributions to the form factor separately. Using elliptically polarized white X-ray beams, the experimental accuracy of XMD has become comparable with that of PND (Laundy et al, 1991;Collins et al, 1992;Ito et al, 1995Ito et al, , 2004Suzuki et al, 2009).…”

Stable Molecules in N2–H2Plasmas Measured Using a Quartz Sensor

“…We have reported changes in gas composition in plasmas using Q-sensor measurements. [24][25][26][27][28][29][30] The Q-sensor output is calculated from the impedance of a quartz oscillator and is dependent on the pressure, temperature, molecular weight, and viscosity of the measured gas. 31) Therefore, the pressureand temperature-normalized Q-sensor output (NQO) reflect the molecular weight and viscosity of the measured gas, and thus, the change in the gas composition with plasma can be observed from the change in NQO.…”

Radial integrals for the magnetic form factor of the 5delectrons of rare earth elements

“…Owing to the availability of brilliant X-ray sources, X-ray magnetic diffraction (XMD) has enabled us to measure the spin and orbital contributions of the magnetic form factor separately (Blume, 1985;Lovesey, 1987;Blume & Gibbs, 1988). Using an elliptically polarized white X-ray beam, the experimental accuracy of XMD has become comparable to that of PND (Laundy et al, 1991;Collins et al, 1992;Ito et al, 1995Ito et al, , 2004Suzuki et al, 2009).…”