Ion Beams for Materials Engineering—An Overview

Avasthi, D.K.; Mehta, Goverdhan

doi:10.1007/978-94-007-1229-4_1

Cited by 8 publications

(1 citation statement)

References 141 publications

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“…So, the partial pressure reaches a saturation and finally starts decreasing. This decay of partial pressure of the gases as a function of ion dose can be measured by QMA and provide important details about the cylindrical damage zone from which the gases are released [208,209]. The estimation of damage cross-section by QMA differs from that of ERDA technique in the fact that in QMA the hydrogen coming out of the tracks are measured wheras in ERDA the hydrogen left in the latent tracks are investigated.…”

Section: Quadrupole Mass Spectrometer [Qma]mentioning

confidence: 99%

Ion Irradiation Effects in some Electro-Active and Engineering Polymers Studies by Conventional and Novel Techniques

Banerjee

Deka

Kumar

et al. 2013

DDF

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The effect of various radiations to a polymer is more complex and intense, compared to that in other materials, in view of the more complex structure and low bonding energies (5 10 eV for covalent bonds of the main carbon chain). Since the energy delivered to the polymer in most irradiations (including even beta and gamma rays of 1 to 10 MeV) exceeds this energy by many orders of magnitude, there is a high risk of radiation damage to all kind of polymers. However, engineering polymers (PC, PMMA, PVC, etc. and newer ones) as well as electro-active and other functional polymers (conducting polymers, polymer electrolytes) are finding ever increasing applications, often as nanocomposites, e.g. chemical and biomedical applications, sensors, actuators, artificial muscles, EMI shielding, antistatic and anticorrosion coatings, solar cells, light emitters, batteries and supercapacitors. Critical applications in spacecrafts, particle accelerators, nuclear plants etc. often involve unavoidable radiation environments. Hence, we need to review radiation damage in polymers and encourage use of newer tools like positron annihilation spectroscopy, micro-Raman spectroscopy and differential scanning calorimetry (DSC). Present review focuses on irradiation effects due to low energy ions (LEIs) and swift heavy ions (SHIs) on electro-active and engineering polymers, since gamma-and electron-beam-irradiations have been more widely studied and reviewed. Radiation damage mechanisms are also of great theoretical interest. Contents

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Section: Quadrupole Mass Spectrometer [Qma]mentioning

confidence: 99%