Production and use of nuclear tracks: imprinting structure on solids

Fischer, B.; Spohr, R.

doi:10.1103/revmodphys.55.907

Cited by 278 publications

(88 citation statements)

References 115 publications

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“…Areal dispersion usually lies between 2 to 20% and a 10 MeV/nucleon heavy ion (say, for example various projectiles used are collimated beam of fission fragments, heavy energetic ions like U, Pb, Ag, Si, Bi, etc. whose range in the target material is far greater than the thickness of the target) has a range of the order of 10 micrometer in many polymers [39]. The custom made NTFs are available in a wide variety of pore size and porosities.…”

Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

“…The custom made NTFs are available in a wide variety of pore size and porosities. The crafting of PTEMs templates through ions have been discussed in details [38,39,41]. Handled adequately and properly, these PTEMs can enable wires, tubules, solid cylinders, conical or tapered needles etc.…”

Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

“…The size and dimensions of the etched pores can be controlled conveniently through parametric control over the nature and energy of the intruding ions, the host material as target to be developed as template, chemical etch conditions viz., nature, concentration, temperature, agitation etc., besides preirradiation and post-irradiation storage conditions of the target material. The etched pores can have diameter ranging from few nm to mm [39]. NTFs have been put to numerous other applications besides their use as templates.…”

Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

“…PTEMs, also known as Nuclear Track Filters (NTFs) have emerged as spin-off from Solid State Nuclear Track Detectors (SSNTDs) -solid dielectric materials capable of storing damage trails of energetic heavily ionizing ions which can subsequently be chemically amplified for observation as pores either through, say SEM or optical microscope [38][39][40]. The art and science used in crafting of PTEMs as templates involves two steps -irradiation of an SSNTD foil or a film by heavy energetic ion beam creating damage trails, also called as latent tracks, and followed by a controlled chemical etching of these latent tracks so as to produce see -through pores in the host material.…”

Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

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Track-etch membranes as templates enabled nano/micro technology: a review

Chakarvarti

2009

Indian J Phys

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: Many techniques are being used in order to synthesize nano/micro materials falling under the realm of nanotechnology. It need not be overemphasized that the miniaturization of devices and synthesis of new materials have a tremendous role in the development of powerful electronics as well as material based technologies in other areas but for the laws of quantum mechanics posing limitations besides the increasing cost and difficulties in manufacturing in such a small scale. The quest, therefore, for the alternative technologies, have stimulated a surge of interest in nano-meter scale materials and devices in the recent years. Metallic as well as semiconducting nano wires are the most attractive materials because of their unique properties having myriad of applications like interconnects for nano-electronics, magnetic devices, chemical and biosensors, whereas the hollow tubules are equally considered to be candidates for more potent applications -both in physical as well as biosciences. Materials' processing for nano-structured devices is indispensable to their rational design. The technique, known as "Template Synthesis", using electrochemical/electro less deposition is one of the most important processes for manufacturing nano/micro structures, nano-composites and devices and is relatively inexpensive and simple. The technique involves using membranes -ion crafted ones (popularly known as Particle Track-Etch Membranes or Nuclear Track Filters), alumite substrate membranes, besides other types of membranes as templates. The parameters viz., diameter as well as length i.e., aspect ratio, shape and wall surface traits in these membranes are controllable.In the present article a detailed review of this technique using track-etch membranes as templates in synthesis of nano/micro materials including hybrid materials and devices like field-ion emitters, resonant tunneling diodes (RTDs) etc. is presented including most of the results obtained in our laboratory.

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Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

Section: Particle Track Etch Membranes (Ptems)mentioning

confidence: 99%

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Track-etch membranes as templates enabled nano/micro technology: a review

Chakarvarti

2009

Indian J Phys

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“…1 In addition to this specific sensitivity, they have stable reproducibility in response to alpha rays, low susceptibility to the effect of environment and low background track density.…”

Section: Introductionmentioning

confidence: 99%

Bulk etching rate of polycarbonate.

Fujimoto

Doi

Kobayashi

1990

Jpn. J. Health Phys.

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The bulk etching rate of polycarbonate during chemical and electrochemical etching was measured for two kinds of polycarbonate foils, Makrofol and Iupilon, at various etching temperatures from 20 to 40C. The etching rate of polycarbonate could be determined by weight measurements with sufficient accuracy since no water was absorbed in polycarbonate.The chemical bulk etching rates obtained for Makrofol and Iupilon at 20C were 1.78 and 1.69gm/h, respectively.The corresponding electrochemical bulk etching rates were 1.86 and 1.89um/h, respectively.Fairly small difference in the bulk etching rates was found between chemical and electrochemical etching as well as between Makrofol and Iupilon. The activation energy evaluated from the present experiments was 0.55eV for polycarbonate, which was lower than that for allyl diglycol carbonate (CR-39).

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Template Synthesis of an Array of Nickel Nanotubules and Its Magnetic Behavior

et al. 2001

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Highly ordered magnetic Ni nanotubules (see Figure) have been successfully prepared. Electrodeposition in the pores of an alumina membrane modified with an organoamine as pore‐wall modifying agent results in a perfectly ordered array of such metal nanotubules tens of micrometers long. These metal nanotubules with open ends could be employed for the creation of materials with special magnetic, optical, or electrical properties.

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Production and use of nuclear tracks: imprinting structure on solids

Cited by 278 publications

References 115 publications

Track-etch membranes as templates enabled nano/micro technology: a review

Track-etch membranes as templates enabled nano/micro technology: a review

Bulk etching rate of polycarbonate.

Template Synthesis of an Array of Nickel Nanotubules and Its Magnetic Behavior

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