The Effect of Temperature and Exposure to X-Rays Upon Triboluminescence

Wick, Frances G.

doi:10.1364/josa.29.000407

Cited by 9 publications

(4 citation statements)

References 10 publications

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“…In the 17th century, only five papers were published on ML ; in the 18th century, 15 papers were published ; in the 19th century, 19 papers were published ; in the 20th century, ~ 372 papers were published …”

Section: Literature Surveymentioning

confidence: 99%

Survey of the literature on mechanoluminescence from 1605 to 2013

2014

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Mechanoluminescence (ML) is a type of luminescence induced by any mechanical action on solids. The light emissions induced by elastic deformation, plastic deformation and fracture of solids are called elastico ML (EML), plastico ML (PML) and fracto ML (FML), respectively. Whereas nearly 50% of all organic molecular solids and inorganic salts exhibit FML, only a few solids exhibit EML and PML. The EML and FML of certain solids are so intense that they can be seen during daylight with the naked eye. Mechanolumnescence has a great potential for use in different types of mechano-optical devices such as stress sensors, damage sensors, impact sensors, fracture sensors and safety management monitoring systems. This article reports a survey of the literature from 1605 to 2013. Mechanoluminescence is studied by physicists, chemists, material scientists, geologists, medical scientists, engineers and technologists, among others and researchers will certainly benefit from the literature survey on ML given here. In addition, the field of mechanoluminescence may attract the interest of many new researchers.

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Section: Literature Surveymentioning

confidence: 99%

Survey of the literature on mechanoluminescence from 1605 to 2013

2014

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“…The bands of Tb and Dy were observed using a visual spectroscope. 21 The TL spectra of NaF contains a sharp emission line from sodium superimposed on a broad band whose origin is unclear. The latter band will be considered under a separate heading.…”

Section: Spectroscopic Determinations Of the Origins Of Triboluminesc...mentioning

confidence: 99%

Triboluminescence

Zink¹

1978

Acc. Chem. Res.

247

113

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Triboluminescence (TL) is the emission of light caused by application of mechanical energy to a solid. The word was coined by Wiedemann in 18951 and takes its root from the Greek "tribein", to rub. The word is of broad general usage and covers a variety of mechanical methods of excitation, spectroscopic origins of the luminescence, and mechanisms of excitation. All of these aspects of TL will be discussed in this Account.The history of TL is long and varied. The first recorded observation of TL known to the author is contained in Francis Bacon's "The Advancement of Learning".2Bacon repotted that lumps of sugar emitted light when scraped. The triboluminescence of sugar was known to other early writers, including Boyle, who observed that "hard sugar being nimbly scraped with a knife would afford a sparkling light". 3 The best examples of TL using common household substances are demonstrated by grinding sugar or certain candies such as wintergreen lifesavers in a dark room.

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“…Trinks [2] found the increase in ML intensity of NaCl and KCl crystals with irradiation doses, thickness of the crystals and with the pressure. Wick [3] also reported the ML emission during deformation of coloured alkali halide crystals. The linear dependence of light emission on the strain rate in -irradiated KBr, NaCl and LiF crystals was reported by Metz et al [4] and Alzetta et al [5].…”

Section: Introductionmentioning

confidence: 98%

Correlation between deformation bleaching and mechanoluminescence in coloured alkali halide crystals

et al. 2000

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The present paper reports the correlation between deformation bleaching of coloration and mechanoluminescence (ML) in coloured alkali halide crystals. When the -centre electrons captured by moving dislocations are picked up by holes, deep traps and other compatible traps, then deformation bleaching occurs. At the same time, radiative recombination of dislocation captured electrons with the holes gives rise to the mechanoluminescence. Expressions are derived for the strain dependence of the density of colour centres in deformed crystals and also for the number of colour centres bleached. So far as strain, temperature, density of colour centres, and volume dependence are concerned, there exists a correlation between the deformation bleaching and ML in coloured alkali halide crystals. From the strain dependence of the density of colour centres in deformed crystals, the value of coefficient of deformation bleaching is determined and it is found to be 1.93 and 2.00 for KCl and KBr crystals, respectively. The value of ( · ) is determined from the strain dependence of the ML intensity and it is found to be 2.6 and 3.7 for KCl and KBr crystals, respectively. This gives the value of coefficient of deformation generated compatible traps to be 0.67 and 1.7 for KCl and KBr crystals, respectively.

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The Effect of Temperature and Exposure to X-Rays Upon Triboluminescence

Cited by 9 publications

References 10 publications

Survey of the literature on mechanoluminescence from 1605 to 2013

Survey of the literature on mechanoluminescence from 1605 to 2013

Triboluminescence

Correlation between deformation bleaching and mechanoluminescence in coloured alkali halide crystals

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