In this paper, we present the analysis of dielectric (dielectric constant, loss, a.c. conductivity) and electrical properties (I–V characteristics) pristine nitrogen ion implanted polycarbonate. The samples polycarbonate were with 100 keV N+ ions fluence ranging from 1 × 1015 to 1017 cm−2. measurements these performed in frequency range kHz MHz. It has been observed that constant decreases whereas loss conductivity increases increasing fluence. An real imaginary parts permittivity elucidated...

Abstract The present endeavor investigates the controlled surface modifications and evolution of self-assembled nano-dimensional defects on oblique Ar + sputtered Si(111) surfaces which are important substrates for reconstruction. defect formation started at off-normal incidences 50° then deflates into defined zones with decrease in incidence, depending strongly angle ion incidence. Interestingly, it is observed that mean size & height decreases while average density these increases...

In the present work, our aim is to reveal effect of Ar + implantation on structural behaviour Polyethylene terephthalate (PET) using Fourier Transform Infrared and UV-Visible Spectroscopic techniques. PET specimens were implanted with 200 keV ions in fluence range 1x10 15 17 cm -2 . The changes have been observed due change position intensity bands FTIR spectra both unimplanted specimens. A continuous decrease optical energy gap (from 3.63 eV 1.48 eV) enhancement Urbach 0.29 3.70 increasing...

In the present work, effect of argon ion implantation has been studied on refractive index PET. The specimens were implanted at 200 keV with ions in fluence range 1×1015 to 1×1017 cm−2. indices have found increase dose and wavelength (in visible region) obtained by using UV-visible spectroscopy. Also a drastic decrease optical band gap (from 3.63 eV 1.48eV) Urbach energy 0.29 3.70 eV) observed. possible correlation between changes observed Urbachenergyhave discussed.

Effect of 130 keV argon ion implantation on surface morphology and structural properties polypropylene (PP) at various fluences have been studied using RBS UV-Visible Spectroscopy techniques. It has found that there is an increase in the carbon concentration from 33 at.% (virgin) to 46 near region PP 1 × 1016 Ar+cm−2 as per RUMP simulation. Also, composition, depth profiling, projected range investigated. The observed morphological changes points towards carbonization implanted layer...

Refractive indices, extinction coefficients and dielectric properties of B+ implanted polyethylene terephthalate (PET) have been measured for the mid-infrared wavelength region. PET specimens were with 50 keV boron ions in fluence range 1×1015- 5×1016 cm−2. The change refractive index coefficient values due to ion implantation has studied by specular reflectance Fourier transform infrared spectroscopic technique. Using constant also find out THz frequency Furthermore, structural modification...

The present endeavour reports the analysis of Argand plot and conduction mechanism for N+ implanted CR-39 polymer. specimens were with 100 keV beam to various fluences 1×1015, 1×1016 2×1016 ions cm−2. Dielectric measurements in frequency range kHz-100 MHz have been used analyze dielectric behaviour specimens. It has observed that constant decreases whereas loss increases increasing ion fluence. Using (real part vs. imaginary complex permittivity), distribution relaxation times by...

Si(111) substrates, having more atoms available at the surface, are currently being exploited for nano-device fabrication. Epitaxial recrystallization of layers amorphized under 80 keV Ar+ ion sputtering off-normal incidence 50° with 1 × 1017 to 5 Ar+cm−2 has been investigated. Good epitaxial thermal annealing treatment 1123 K observed. RBS/C demonstrates nonlinear behavior and recrystallized layer thickness irradiation fluence. Considerable stress still remains in as revealed by Raman...

In the present paper we have discussed effect of 40 keV Ar+ ions irradiation on nanoscale surface morphology Polycarbonate (PC) substrate. Specimens were sputtered at off normal incidences 30°, 40° and 50° with fluence 1 × 1016 Ar+cm−2. The topographical behaviour specimens was studied by using Atomic Force Microscopy (AFM) technique. AFM study demonstrates evolution nano dot PC irradiating Average size dots varied from 37-95 nm in this specified range incidence while density 0.17-3.0 107...

The objective of the present work is to study effect 130 keV Ar+ ions on electrical and dielectric properties CR-39 samples at various doses 5×1014, 1×1015 1×1016 cm−2. Current-Voltage (I-V characteristics) measurements have been used virgin implanted specimens. current has found be increased with increasing voltage as well ion dose. spectroscopy these specimens done in frequency range 100 kHz-100 MHz. constant decreasing whereas loss factor increases fluence. These kind behavior observed...

The aim of the present paper is to study effect argon ion implantation on electrical and dielectric properties polycarbonate. Specimens were implanted with 130 keV Ar+ ions in fluence ranging from 1×1014 1×1016 cm−2. beam current used was ∼0.40 µA conduction behaviour virgin polycarbonate specimens have been studied through current-voltage (I-V characteristic) measurements. It has observed that after conductivity increases increasing fluence. spectroscopy these done frequency range 100...

Oblique ion beam induced modifications in polymeric materials can be treated as an indispensable tool for fabrication of advanced functional having wide range technological applications. In this context, we have examined the influence 100 keV argon irradiation on optical and structural properties Polycarbonate (PC) polymer at various oblique incidences 30°, 40° 50°. UV-visible analysis reveals that absorption edge shifted towards visible region spectrum with decrease angle incidence which...