Dosimetric properties of ZrO2 and ZrO2:Sm3+ exposed to beta rays

Lokesha, H.S.; Chauhan, Naveen; Nagabhushana, K.R.; Singh, Fouran

doi:10.1016/j.ceramint.2018.07.122

Cited by 20 publications

(22 citation statements)

References 30 publications

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“…Since NIR can minimize its absorption loss for the tissue texture (i.e., biological window), laser irradiation with a NIR wavelength enables us to stimulate the PL and to obtain temperature information based on the OSL. Until now, OSL phosphor has been extensively studied for the application in detection of charge particle, and particularly the ZrO 2 is a candidate for the OSL phosphor toward scintillator/dosimeter material because of being chemically and thermally stable [16][17][18][19] . Assuming the observation of a body part covered by bone (e.g., brain), it is necessary to stimulate the luminescence via bone by external laser irradiation.…”

Section: Conception and Fundamental Principle Of Temperature Measurementmentioning

confidence: 99%

Temperature dependence of afterglow in zirconia and its optically-stimulated luminescence by bone-through irradiation for biological temperature probe

Ohashi

Takahashi

Terakado

et al. 2020

Sci Rep

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Development of minimally invasive and site-selective biological temperature sensing is quite importantin medical field. This study presents a novel temperature sensing technique based on afterglow and optically-stimulated luminescence (OSL). The dependence of afterglow photoluminescent intensity on the environmental temperature of zirconia (Zro 2 ) phosphor is examined to validate its use as a sensing probe. In addition, assuming the measurement in deep-part of human body, we have applied the information gathered from our validation to observe oSL from the Zro 2 by irradiation with near-infrared laser through a bone sample. This study demonstrates an alternative medical application of phosphor, and introduces an elemental-technology for the temperature sensing.Body temperature is main vital sign, which is closely related to immune system and metabolism. A technique for biological temperature monitoring is a powerful tool for medical treatment and monitoring human health. In addition, targeted temperature management has the potential to reduce the risk of brain dysfunction after a head injury and cardiopulmonary arrest. Although clinical thermometers and thermography are non-invasive, the methods measure the temperature on the surface of body. The gold standard for measuring temperature in critically ill patients is the Swan-Ganz catheter (Suppl. Fig. S1). The catheter must be inserted into the body in order to monitor the temperature at the desired location. Consequently, there is a need for accessible and minimally invasive temperature sensing methods which can monitor local internal temperature.Optical/spectroscopic measurement is recognized to be a minimally invasive and contactless method, and particularly, fluorescent and afterglow phenomena have been attempted to utilize for sensing-/imaging-applications so far 1-5 . Quantum-dots and fluorescent polymers have been proposed as temperature sensors for cell-imaging due to the relationship between temperature and fluorescence intensity/lifetime 1,2 . The observation of these effects is only possible with the magnification of a microscope. Chermont et al. developed a bio-imaging technique using afterglow phosphor of Eu 2+ , Dy 3+ , Mn 2+ -tri-doped Ca 0.2 Zn 0.9 Mg 0.9 Si 2 O 6 6 . Their study results inspired us to use the afterglow phenomenon to measure the temperature within the human body. In this manuscript, the fundamental measurements necessary to validate the use of the decay curve in the afterglow phosphor to measure temperature are presented. In addition, optically-stimulated luminescence (OSL) phenomena was also considered as irradiation of near-infrared (NIR) laser light would enable site-selective photoluminescence (PL), making it possible to obtain temperature information at internal sites in the human body.www.nature.com/scientificreports www.nature.com/scientificreports/ line. This departure was probably due to a partial electron-release from a deeper-trapping site corresponding to the peak F with peak at ~353 K. The pre-heating process is an eff...

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Section: Conception and Fundamental Principle Of Temperature Measurementmentioning

confidence: 99%

Temperature dependence of afterglow in zirconia and its optically-stimulated luminescence by bone-through irradiation for biological temperature probe

Ohashi

Takahashi

Terakado

et al. 2020

Sci Rep

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“…Both tetragonal and cubic phases can be stabilized at ambient temperatures upon doping with trivalent ions such as Y 3+ or lanthanides (Ln) [3,4]. Due to the facile doping of the Ln metals in ZrO 2 lattice, there are many reports that describe the potential applications of Ln doped ZrO 2 as dielectric film transistor [5], white light emitting diodes [6], catalysis [7,8], fuel cells [9], temperature sensor [10], oxygen sensor [11], dosimetry [12], photocatalyst [13], and bioimaging [14]. Among the Ln series, Eu is considered as an ideal dopant/stabilizer as the average structural properties of ZrO 2 can be correlated with the local scale properties around Eu.…”

Section: Introductionmentioning

confidence: 99%

Full Tetragonal Phase Stabilization in ZrO2 Nanoparticles Using Wet Impregnation: Interplay of Host Structure, Dopant Concentration and Sensitivity of Characterization Technique

et al. 2018

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Here, we show that wet impregnation of ZrO2 nanoparticles with 10% and 20% Eu oxide followed by thermal anneal in air above 500 °C produces full stabilization of the tetragonal phase of ZrO2 without evidencing any phase separation. The bare ZrO2 nanoparticles were obtained using three synthetic methods: oil in water microemulsion, rapid hydrothermal, and citrate complexation methods. The homogeneity of the solid solutions was assessed using X-ray diffraction, Raman spectroscopy, high resolution transmission electron microscopy, and advanced luminescence spectroscopy. Our findings show that wet impregnation, which is a recognized method for obtaining surface doped oxides, can be successfully used for obtaining doped oxides in the bulk with good homogeneity at the atomic scale. The limits of characterization technique in detecting minor phases and the roles of dopant concentration and host structure in formation of phase stabilized solid solutions are also analyzed and discussed.

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“…(1). Данная методика успешно применяется в ТСЛ дозиметрии ионизирующих излучений при исследовании широкозонных материалов [20][21][22][23]30,31].…”

Section: образцы и методыunclassified

“…Полученные результаты согласуются с нашими исследованиями ФЛ-свойств нанотубулярных слоев ZrO 2 [10], для которых регистрируются также две полосы свечения гауссовой формы с E max = 2.43 ± 0.01 и 2.68 ± 0.03 eV, а также ω = 0.35 ± 0.01 и 0.48 ± 0.02 eV соответственно. Кроме того, в независимых исследованиях образцов порошков моноклинного ZrO 2 в спектрах ТСЛ [7,[19][20][21][22][23][24][25][26], ФЛ [7,23,25,26] и импульсной катодолюминесценции [7,25] регистрируется широкая неэлементарная полоса свечения в диапазоне 400−650 nm (3.10−1.91 eV) с максимумом в области 480−500 nm (2.58−2.48 eV).…”

Section: спектральные характеристики тслunclassified

“…Ранее нанотрубки ZrO 2 -nt, полученные методом анодирования, были изучены с использованием спектральных методик фотолюминесценции (ФЛ) [10][11][12][13][14][15][16][17] и гальванолюминесценции [18]. Кроме того, в ряде работ методами термостимулированной люминесценции (ТСЛ) в спектральной области 400−650 nm были исследованы порошки моноклинного ZrO 2 в исходном состоянии и после высокотемпературных обработок на воздухе [7,[9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24], в вакууме [35] или в атмосфере аргона [26]. Были получены экспериментальные подтверждения наличия ловушек носителей заряда, активных ниже комнатной температуры (223−293 K) [26] и в широком температурном диапазоне от 300 до 750 K [7,[19][20][21][22][23][24][25] после облучения образцов электронным пучком [7,19,25], β- [20][21][22][23] или УФ-излучением [24,…”

Section: Introductionunclassified

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Механизмы Термостимулированной Люминесценции В Уф-Облученных Нанотрубках Диоксида Циркония

Петренёв¹,

Вохминцев²,

Старовойтова³

et al. 2021

Физика Твердого Тела

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Dosimetric properties of ZrO2 and ZrO2:Sm3+ exposed to beta rays

Cited by 20 publications

References 30 publications

Temperature dependence of afterglow in zirconia and its optically-stimulated luminescence by bone-through irradiation for biological temperature probe

Temperature dependence of afterglow in zirconia and its optically-stimulated luminescence by bone-through irradiation for biological temperature probe

Full Tetragonal Phase Stabilization in ZrO2 Nanoparticles Using Wet Impregnation: Interplay of Host Structure, Dopant Concentration and Sensitivity of Characterization Technique

Механизмы Термостимулированной Люминесценции В Уф-Облученных Нанотрубках Диоксида Циркония

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