Energy yield of x-ray luminescence of polycrystalline luminophors

Gurvich, A. M.; Katomina, R. V.; Myagkova, M. G.; Petrova, I. Yu.; Tombak, Mati

doi:10.1007/bf00640393

J Appl Spectrosc

1977

DOI: 10.1007/bf00640393

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Energy yield of x-ray luminescence of polycrystalline luminophors

A. M. Gurvich¹,

R. V. Katomina²,

M. G. Myagkova³

et al.

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2005

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Cited by 4 publications

(3 citation statements)

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“…[11,18]. Similar approach was earlier suggested in works of Bundel', Dmokhovskii, Rusanova, Reshetova, Zhegalkin, Popov, Kolychev, Chizhunova, Chikirdin, and Blinov [5 7].…”

mentioning

confidence: 55%

“…Increasing accuracy of X ray examination and broaden ing of X ray spectral range provided classification of properties and fields of application of intensifying screens and phosphors of all types used in domestic medicine. The permissible limits of the main X ray film characteris tics and the parameters of their processing were measured using reference samples in absolute rather than relative units [11,13].…”

mentioning

confidence: 99%

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In Recognition of the 60th Anniversary of the Foundation of the Laboratory of X-Ray Receivers, Russian Scientific Center for Roentgenoradiology. Part I: From Birth to Recognition

Tombak

2005

Biomed Eng

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By the early XXth century X ray diagnosis had become a dominant medical diagnostic method both nationwide and worldwide. Therefore, domestic produc tion of X ray diagnostic equipment should be manufac tured in a country with population over 270,000,000. This equipment should include intensifying screens for roentgenography, roentgenoscopy, and fluorography, which are the simplest phosphorous detectors and con vectors of X ray radiation.This idea was implemented in 1943 in the Molotov State Scientific Research Institute for Roentgenoradio logy (GNIRRI), where the Laboratory of X Ray Screens and Films was established [14]. A workshop for X ray screens was opened at the same time at the Semashko Chemical Pharmaceutical Plant. In fact, the two organi zations were integrated and the Laboratory fulfilled the function of scientific coordination and representation of the medical society. The Laboratory also played an important role in development and manufacture of domestic X ray films and processing materials. The duties of the laboratory are consistent with the duties of the Institute in general [26].It should be noted that certain domestic X ray screens were produced by the time of foundation of the laboratory. These were screens based on zinc silicate and calcium tungstate. The first domestic research in this area was performed at the Research Institute of Chemical Pharmaceutical industry (NIIKhFI) under supervision of Prof. Bundel'. Later this group worked at GNIRRI.Collaboration between engineers, physicists, chemists, physicians, and roentgenographers gave rise to a unique scientific society capable of perceiving the spe cific requirements of this area of medicine. Also, there are definite advantages of such collaboration.There have been four stages in the history of the lab oratory. These stages are associated with the main requirement for X ray apparatuses: imaging at low radia tion load. This requirement became more demanding because of the wide dissemination of X ray examination of the population and deep understanding of the conse quences of human body exposure to X ray radiation. Indeed, in the 1980s virtually every adult was examined by X ray at least once a year, and more than 70% of addi tional radiation load above natural background was due to medicine.On the other hand, these stages represented new technologies of X ray imaging and, certainly, humanistic and social factors: changes in personnel, equipment, accommodation, etc. The Laboratory was staffed with skilled specialists, graduated from leading domestic uni versities: Prof. Bundel', Prof. Gurvich, and Candidates of Sciences Rusanova, Rudiger, Leonova, Il'ina, Golovkova, Tombak, Katomina, Shamanov, Myagkova, and Birman. The Laboratory worked in collaboration with leading domestic institutes: Physical Institute,

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“…[11,18]. Similar approach was earlier suggested in works of Bundel', Dmokhovskii, Rusanova, Reshetova, Zhegalkin, Popov, Kolychev, Chizhunova, Chikirdin, and Blinov [5 7].…”

mentioning

confidence: 55%

mentioning

confidence: 99%

In Recognition of the 60th Anniversary of the Foundation of the Laboratory of X-Ray Receivers, Russian Scientific Center for Roentgenoradiology. Part I: From Birth to Recognition

Tombak

2005

Biomed Eng

Self Cite

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“…1) intensifying screens based on oxysulfides and oxy halogenides REE [2,31,32,36,37,42,43,67]: a) type IS Y based on yttrium oxysulfide alloyed with terbium (Р 383); b) type IS G based on gadolinium oxysulfide alloyed with terbium (Р 545); c) type IS L based on lanthanum oxybromide alloyed with terbium and ytterbium (Р 417);…”

mentioning

confidence: 99%

In recognition of the 60th anniversary of the foundation of the laboratory of X-ray receivers, russian scientific center for roentgenoradiology. Part II: Records of the past, current research, and future prospects

Tombak

2006

Biomed Eng

Self Cite

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The onset of the third and most productive period in the activity of the Laboratory coincided with the Institute move to a new building in the southwest district of Moscow. The Laboratory during this period was equipped with unique modern X ray apparatuses and other devices. The conditions called for the use of poisonous com pounds containing tantalum, antimony, cesium, arsenic, etc. The staff of the Laboratory was supplemented with specialists in ultrasonic diagnosis: it has become evident that prospects of X ray diagnosis are associated with engi neering progress.The first International Conference on Luminescence of Rare Earth Luminophores (REL) including X ray REL was held in Leningrad in 1972 [68].At this time the Laboratory organized the All Union Symposium on Luminescence Detectors and X Ray Transducers 2 . The Symposium on Luminescence Detectors and X Ray Transducers in collaboration with Russian Academy of Sciences was held in Moscow in 1973. Since then, similar symposia are held every three years [65].This period was devoted to the search for new luminophores for roentgenography and roentgenoscopy most promising for medical diagnosis. A new classifica tion system was required. The classification system was developed at the Laboratory.According to the classification, X ray luminophore is denoted by letter R with a numerical index correspon ding to spectral emission maximum excited by X rays with Е eff = 45 keV; X ray intensifying screens are denoted by letters IS; roentgenographic and roentgenoscopic screens are denoted by letters SXR; the screen luminophore is denoted as a letter after a hyphen.A family of screens of new type was developed during the last decade. These screens were available commercial ly [12]:1) intensifying screens based on oxysulfides and oxy halogenides REE [2,31,32,36,37,42,43,67]: a) type IS Y based on yttrium oxysulfide alloyed with terbium (Р 383); b) type IS G based on gadolinium oxysulfide alloyed with terbium (Р 545); c) type IS L based on lanthanum oxybromide alloyed with terbium and ytterbium (Р 417);2) intensifying screens based on salts of oxygen con taining acids alloyed with REE [11,35,58]: a) type IS P based on barium phosphate alloyed with europium (Р 415); b) types IS SBS 1 and IS SBS 2 based on mixed strontium and barium sulfate alloyed with europium (Р 380);3) intensifying screens type IS PC based on barium fluorochloride alloyed with europium (Р 385) [34]; 4) roentgenographic and roentgenoscopic screens of SR C type based on cesium iodide alloyed with thallium (Р 540/410) [3,51]. The roentgenographic and roentgenoscopic screens of SR C type are used in domes tic X ray apparatuses Vega 320 for medical X ray diagno sis.

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The Speed of Screen–Film Systems for Four Exposure Techniques According to the Requirements of GOST ISO 9236-1

Golovkova

2022

Biomed Eng

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Energy yield of x-ray luminescence of polycrystalline luminophors

Cited by 4 publications

References 9 publications

In Recognition of the 60th Anniversary of the Foundation of the Laboratory of X-Ray Receivers, Russian Scientific Center for Roentgenoradiology. Part I: From Birth to Recognition

In Recognition of the 60th Anniversary of the Foundation of the Laboratory of X-Ray Receivers, Russian Scientific Center for Roentgenoradiology. Part I: From Birth to Recognition

In recognition of the 60th anniversary of the foundation of the laboratory of X-ray receivers, russian scientific center for roentgenoradiology. Part II: Records of the past, current research, and future prospects

The Speed of Screen–Film Systems for Four Exposure Techniques According to the Requirements of GOST ISO 9236-1

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