Oxygen-Bearing Functionalities Enhancing NO2, NH3, and Acetone Electronic Response and Response Variation by Polythiophenes in Organic Field-Effect Transistor Sensors

We investigated the enhanced vapor responses and altered response ratios of a series of thiophene (co)polymers with oxygenated side chains (CH2OH, linear polyethylene glycol, and crown ether), including the novel...

The role of incentives and training programs on Job Satisfaction of Employees – An Empirical Study on Workers in the Arab Open University –: دور الحوافز والبرامج التدريبية على الرضا الوظيفي للعاملين – دراسة تطبيقية على العاملين في الجامعة العربية المفتوحة بالسعودية –

This Study aimed to: identify extent of interesting in financial and moral incentives regulation and incentives regulation in Arab Open University , identify extent of interesting in humanistic value and electronic training of employees in Arab Open University, identify reality of job satisfaction for employees in Arab Open University, the analytical descriptive approach and study population is included all employees in Arab Open University in all their job levels, their number reached to (230) and the researcher is obtained (149) electronic response. The study revealed that study sample members are agree to some extent on degree of interesting in financial and moral incentives regulation and incentives regulation in Arab Open University where approval averages of study sample members is reached to (3.08), revealed that study sample members are agree to some extent on degree of interesting in humanistic value and electronic training of employees in Arab Open University where approval averages of study sample members is reached to (3.01) and revealed that study sample members have intermediate degree of job stratification where approval averages of study sample members reached to (2.85), the study recommended with necessity of work on adopting motivation system to comply with Arab Open University , providing the necessary moral for university relatives especially for the excellent employees and increasing financial incentives and allowances which is provided to the employees in university.

Analysis of Material Susceptibility in Silicon on Insulator Waveguides With Combined Simulation of Four-Wave Mixing and Linear Mode Coupling

We derive propagation equations modeling third-order susceptibility-induced nonlinear interaction and linear mode coupling in waveguides. We model material susceptibility with Raman and electronic response which include approximations suited for optical communications. We validate our model by comparing numerical integration of the propagation equations to continuous wave measurements of a silicon on insulator waveguide.

Ultrafast Electron Dynamics in Magnetic Thin Films

In past decades, ultrafast spin dynamics in magnetic systems have been associated with heat deposition from high energy laser pulses, limiting the selective access to spin order. Here, we use a long wavelength terahertz (THz) pump–optical probe setup to measure structural features in the ultrafast time scale. We find that complete demagnetization is possible with <6 THz pulses. This occurs concurrently with longitudinal acoustic phonons and an electronic response.

Caught in the act: Observation of the solvent response triggered by excited-state proton transfer in real time

Real-time observation of the solvent response following Excited State Proton Transfer (ESPT) of the photoacid HPTS into water using Optical Pump THz Probe (OPTP) spectroscopy from 0.1 ps up to 300 ps is reported. Subsequent to an instantaneous (< 0.2 ps) electronic response of the solute to photoexcitation, an oscillation with a period of 4 ps involving an intermolecular H (pyranine) - O (water) mode is observed. While for the methylated derivative, MPTS, and the deprotonated photoacid this oscillation relaxes on a time scale of 1.5 – 2 ps, for HPTS the oscillation decays more rapidly within 0.4 ps, which marks the onset of proton transfer. Energy transfer from the excited solute to the solvent takes place on a time scale of 120 ps and is proportional to the Stokes shift associated with energetic relaxation from the Franck-Condon region to the ground state of the photoexcited HPTS.