Nestor Tsirliganis

Nestor Tsirliganis
Athena-Research and Innovation Center in Information, Communication and Knowledge Technologies · Xanthi Branch

PhD in Nuclear Science

About

101
Publications
13,349
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
1,342
Citations

Publications

Publications (101)
Article
Disaster risk management of movable and immovable cultural heritage is a highly significant research topic. In this work, we present a pipeline for 3D digitisation, segmentation and annotation of large scale urban areas in order to produce data that can be exploited in disaster management simulators (e.g fire spreading, crowd movement, firefighting...
Article
Full-text available
Blockchain is a distributed, immutable ledger technology initially developed to secure cryptocurrency transactions. Following its revolutionary use in cryptocurrencies, blockchain solutions are now being proposed to address various problems in different domains and is currently one of the most "disruptive" technologies. This paper presents a scopin...
Article
Retrospective/accidental dosimetry seeks for materials that can be used as probes for the dose assessment by means of several methods when there is no dose data available (e.g. from personal dosimeters). In the same respect, researchers also seek materials appropriate for forensic purposes, which would allow to identify the prior presence of radioa...
Article
Marble has been used as decorative or building material since ancient times. Various archaeological marble materials of cultural heritage (e.g., statues) are frequently encountered in excavation sites amongst other finds. The scope of the present work is to investigate whether natural marble could be used for dosimetric purposes in cultural applica...
Chapter
Recent trends in archaeological research dictate the incorporation of various analytical methods for dating, chemical/mineralogical characterization, morphological description, etc. of various excavation findings and landscapes to support and corroborate the archaeologists' observations. Each method, when used individually, provides a different fee...
Article
The present work explores the luminescence behavior of animal bones and more specifically, chicken bones, using OSL in order to investigate whether they can be used for the dose assessment in the case of an accident or as dosimeters at the post-sterilization dosimetry of foods. Results indicate that the OSL sensitivity is rather low and the lower...
Article
This study uses chemical analysis (micro-XRF) to study a group of ceramic roof tiles from the Early Christian basilica in Paliambela (N Greece) that carry a number of different fingerline signatures, in order to collect compositional data on the provenance of the tile materials. It analyses the interrelatedness of the signatures and discusses alter...
Article
Sterilization with gamma irradiation has been established as an acceptable method highly advantageous compared to other methods for the sterilization of several products, including pharmaceutical preparations. However, the effects of irradiated drugs on the consumer when they are introduced in the human body are still unknown. Thus, consumers shoul...
Article
Metal production sites are characterized by slag heaps which are often difficult to date due to a general lack of diagnostic pottery. This problem has been countered in recent years by the use of absolute dating techniques. Furnace fragments of severely fired clay, which are usually present in such production sites, represent an ideal material for...
Article
Full-text available
Recent trends in archaeological research dictate the incorporation of various analytical methods for dating, chemical/mineralogical characterization, morphological description, etc. of various excavation findings and landscapes to support and corroborate the archaeologists’ observations. Each method, when used individually, provides a different fee...
Article
The present study constitutes the first part of a meteorite project, currently in progress, towards the full and thorough dosimetric study (TL and OSL) of two different meteorites of recent fall, Norton County and Holbrook. Both meteorites exhibit strong TL sensitivity, linear dose response and no saturation for doses up to 2 kGy. However, the two...
Article
The sensitisation of quartz has attracted much attention since its thorough understanding is important in luminescence studies and dating applications. The present investigation examines the influence of pure thermal activation and predose treatments on the sensitisation of different components of linearly modulated optically stimulated luminescenc...
Article
Accurate estimation of the radiation released at incidents, such as nuclear accidents or radiological terrorist events is of major importance for the prediction of health effects following such an incident. The luminescence properties of several materials are studied in order to assess their potential use as dosimeters in such cases. However, the p...
Article
Rhizoliths are mostly sub-aerially exposed root prints which appear through removal of the rock units that cap them. A horizontal-lying residual of a rhizolith, consisting purely of soft inner core material of white color was recovered 10 km west of S ¸ ile, Istanbul, in northwest Turkey within laminated oolithic massive aeolianite. The inner part,...
Article
Estimation of the radiation released during nuclear accidents or radiological terrorist events is imperative for the prediction of health effects following such an exposure. In addition, in several cases there is a need to identify the prior presence of radioactive materials at buildings or sites (nuclear forensics). To this direction, several mate...
Article
Extensive measurements of (222)Rn in the town of Xanthi in N Greece show that the part of the town overlying granite deposits and the outcrop of a uranium ore has exceptionally high indoor radon levels, with monthly means up to 1500 Bq m(-3). A large number of houses (40%) in this part of the town exhibit radon levels above 200 Bq m(-3) while 11% o...
Article
Full-text available
Feldspars stand among the most widely used minerals in dosimetric methods of dating using thermoluminescence (TL), optically stimulated luminescence (OSL) and infrared stimulated luminescence (IRSL). Having very good dosimetric properties, they can in principle contribute to the dating of every site of archaeological and geological interest. The pr...
Article
The present work constitutes the first two phases of the archaeometric study of the so-called “Siphnian” ware found in two different geographical regions in Greece, Argilos, in eastern Macedonia, and its metropolis in southern Greece, Andros island. Identification of the provenance of the Siphnian-type pottery found in the above regions is the prin...
Article
Signals acquired during thermoluminescence or optically stimulated luminescence measurements must be completely free of any spurious and/or contamination signals to assure the credibility of the results, especially during exploratory research investigating the luminescence behavior of new materials. Experiments indicate that such unwanted signals m...
Article
Full-text available
The present work constitutes the first two phases of the archaeometric study of the so-called “Siphnian” ware found in two different geographical regions in Greece, Argilos, in eastern Macedonia, and its metropolis in southern Greece, Andros island. Identification of the provenance of the Siphnian-type pottery found in the above regions is the prin...
Book
New geoinformatic technologies have recently had a transformative effect on landscape archaeology, particularly by facilitating the high resolution acquisition and analysis of data over large areas. These techniques have fundamentally changed the nature and scope of questions that can be addressed regarding the archaeological record. Despite this s...
Article
The thermally assisted OSL signal resulting from very deep traps was studied in the case of three fluorapatite samples, one chlorapatite as well as one collophanite cryptocrystalline carbonite phosphorite sample of various origins. Intense thermally assisted OSL signal was monitored while stimulating at 200 °C in all samples subjected to the presen...
Article
In the interdisciplinary domain of conservation science, a critical and selective eye is required in order to allow researchers to choose the most effective combination of analytical techniques for each project and, more importantly, to process and analyze the resulting volume of diverse data. The current essay attempts to combine a more traditiona...
Article
Anomalous fading (AF) is one of the most serious drawbacks in thermoluminescence (TL) and optically stimulated luminescence (OSL) dating. In the present work the isothermal decay of TL signals from Durango apatite is studied for temperatures located on the rising part of the main TL peak. This material is known to exhibit strong AF phenomena, and i...
Article
Various types of Late Neolithic decorated pottery excavated in Polyplatanos (Imathia, Greece) such as Crusted (C), Classical Dimini (CD), Black-on-Red (BoR), Cream-on-Red (CoR) and Graphite (G) were archaeometrically studied in order to investigate their provenance and to clarify specific technological features. The clay bodies, the paints and the...
Article
Understanding the complex nature of luminescent characteristics of quartz requires adequate knowledge of charge trafficking among electron and hole traps during excitation and stimulation of materials. These quantities, which are difficult to measure and mostly studied through modelling and theoretical approaches, influence the charge trafficking a...
Conference Paper
The development and organization of iron production in northern Greece and its concomitant economic importance has rarely attracted scholarly attention. The region of northern Greece and in particular eastern Macedonia and Thrace has been one of the most important metal producing regions in the ancient Aegean. Until quite recently the spatial analy...
Article
Full-text available
Feldspars are amongst the most widely used minerals for luminescence dating, besides having certain drawbacks such as anomalous fading. The present study attempts, for the first time in the literature, a direct correlation between the thermoluminescent intensity and specific structural pa-rameters of alkali feldspars, such as the probability of Al-...
Article
Full-text available
A typical oil painting stratigraphy consists of the canvas substrate, the ground layer, the layer of paint and eventually the varnish layer. The ground layer, a mixture of inorganic and organic ma-terial could be a very helpful tool for indirect dating. The present study presents preliminary lumi-nescence measurements on the main inorganic constitu...
Article
Athermal or anomalous fading (AF) is one of the most serious problems in thermoluminescence (TL) and optically stimulated luminescence (OSL) dating. Several possible ways have been suggested for choosing a non-fading signal in feldspars, including high temperature thermal preconditioning of the samples. The aim of the present work is to search for...
Article
Pre-dose sensitization of various components of LM-OSL signal of a Nigerian annealed quartz sample has been investigated along side with that of 110 °C TL peak in this work. Successive cycles of irradiations and TL/OSL readings using different heating rates were employed to attain pre-dose sensitization. The results showed that the pre-dose sensiti...
Article
Full-text available
In the present work the sensitization of the entire glow-curve is studied in 6 different quartz samples of Nigerian origin. The investigation was applied to the un-fired “as is” samples as well as to samples fired at 900°C for 1 hour following cooling to room temperature. The results showed that in the case of “as is” glow-curve is sensitized as a...
Article
The fast, linearly modulated optically stimulated luminescence (LM-OSL) component in quartz is the main dosimetric signal used for the dating applications of this material. Since the blue light stimulation (470 nm, 40 mW cm −2−2) time needed to obtain the fast LM-OSL component is less than 50 s the electron trapping levels responsible for it are st...
Article
The pre-dose sensitization effect of the 110 °C TL glow-peak of quartz is a basic tool in thermoluminescence and optically stimulated luminescence dating and retrospective dosimetry. In the present work, a homogeneity study was performed on pre-dose sensitization in grains obtained from large quartz crystals samples collected from 10 different orig...
Conference Paper
Full-text available
Several Byzantine findings of three excavations in Thessaloniki are studied by archaeological and archaeometric means. The first group of findings excavated in Acheiropiitos Church (Thessaloniki) includes one piece of glass, adapted on a glass fuming metal tube (Gb), a piece of stone which was a part of glass heating oven (K1), a melting pot (Mp) a...
Conference Paper
Full-text available
The Cultural and Educational Technology Institute in Xanthi (“Athena” Research Centre, www.athena-innovation. gr, www.ipet.gr) is carrying out an archaeometrical study in collaboration with the excavators of Argilos (Z. Bonias and J. Perreault) and Andros (S. Paspalas and Ch. Televantou) in order to investigate the archaeological issue regarding th...
Article
Knowledge of the relative luminescence response to alpha and beta radiation is very important in TL and OSL dating. In the present study the relative alpha to beta response is studied in a sedimentary quartz sample, previously fired at 9000C for 1 hour, in the dose region between 1 and 128 Gy, for both thermoluminescence (TL) and linearly modulated...
Article
Full-text available
The formation of a carbonated hydroxyapatite (HCAp) layer on the surface of bioactive materials is the main reaction that takes place upon their immersion in physiological fluids. To date, all techniques used for the identification of this HCAp formation are rather time consuming and not well suited to detailed and rapid monitoring of changes in th...
Article
Full-text available
This paper exploits the possibility of using commercial software for thermoluminescence and optically stimulated luminescence curve deconvolution analysis. The widely used software package Microsoft Excel, with the Solver utility has been used to perform deconvolution analysis to both experimental and reference glow curves resulted from the GLOw Cu...
Conference Paper
Full-text available
The paper presents the results of an archaeometric study of G 2-3 Ware samples conducted between 2008 and 2011 in the Cultural and Technological Institute/ R.C. “Athena” in Xanthi, Greece. It aimed to determine the chemical composition of 118 ceramic samples found in Samothrace (Fig. 2), Thassos (Fig. 7), Neapolis (Fig. 6), Eion (Fig. 5), Argilos (...
Article
The effect of thermal quenching stands among the most important properties in the thermoluminescence (TL) of quartz on which many applications of TL are based. Since the quartz samples used in various applications are all of different origin it is useful to investigate whether the values of the thermal quenching parameters, i.e. the activation ener...
Article
The present work suggests an alternative experimental method in order to not only measure the signal of the deep traps in Al2O3:C without heating the sample to temperatures greater than 500 °C, but also use this signal for high dose level dosimetry purposes as well. This method consists of photo transfer OSL measurements performed at elevated tempe...
Article
KMgF3:Ce3+ is an ultra sensitive Thermoluminescence (TL) material with a complex TL and OSL glow-curve structure. The aim of the present work is to attempt a one-to-one correspondence between specific TL glow-peaks and OSL components in KMgF3:Ce3+. The correlation study involves the deconvolution of the TL curves and the estimation of the bleaching...
Article
The role of thermal activation in the pre-dose sensitization of the 110 °C TL glow peak of quartz has been hypothesized to transfer holes from reservoir centre, R, to luminescence centre, L. But, the thermal treatment has been reported to sensitize this peak, also, in an independent mode. So, a comparative analysis of the impact of thermal and pre-...
Article
The fast component of the optically stimulated luminescence (OSL) signal in quartz is the basic tool for the optical dating. Its relation with the thermoluminescence (TL) glow-peak at about 325∘C is well established for naturally irradiated quartz. This relationship is also an important part of a general model for quartz on which many theoretical s...
Conference Paper
Full-text available
The ancient settlement placed next to the ancient harbor in the modern area of Karabournaki, preserves a great number of ceramics local and imported that indicate the importance of the site as a commercial and distribution point. Of special interest here are the Corinthian and the Corinthian type pottery unearthed in the site. Along to the imported...
Article
Full-text available
The effect of thermal quenching stands among the most important properties in the thermoluminescence (TL) of quartz on which many applications of TL are based. Since the quartz samples used in various applications are all of different origin it is useful to investigate whether the values of the thermal quenching parameters, i.e. the activation ener...
Article
Full-text available
Obsidian is a volcaniclastic mineral extremely hard to break, which was used in prehistoric Greece (and elsewhere in the World), in order to provide tools, weapons, knives and arrowheads. The present work aims to characterize this extremely precious tool stone by using both thermoluminescence (TL) and optically stimulated luminescence (OSL) techniq...
Article
Full-text available
Turquoise is one of the amongst first gem stones used in jewelry and possessing cultural value since 2000 BC (at least). This work attempts characterize this stone scientifically using both thermally (TL) and optically stimulated luminescence (OSL) techniques. The experimental investigation included 1) the study of the natural TL and OSL signals, 2...
Article
Full-text available
Obsidian is a volcaniclastic mineral extremely hard to break, which was used in prehistoric Greece (and elsewhere in the World), in order to provide tools, weapons, knives and arrowheads. The present work aims to characterize this extremely precious tool stone by using both thermoluminescence (TL) and optically stimulated luminescence (OSL) techniq...
Article
Full-text available
Twenty-five samples of Byzantine glazed pottery from two archaeological sites between Limassol and Paphos region (Cyprus), dated between the 12th and 15th century ad were studied using micro X-ray fluorescence spectroscopy, scanning electron microscopy and X-ray diffraction analysis. It was found that all the glazes contain lead, following the main...
Article
In the present study, the uppermost 3 cm of muddy, seabed sediment was collected from a deep-sea sediment core, drilled from a water depth of 4 km, near the deepest site of the Mediterranean Sea, outside Pylos, Greece. The core was divided into 7 layer samples, each 3–4 mm thick, in order to get an independent age assessment for each one using lumi...
Article
The LM–OSL signal of quartz, while measured at room temperature, is dominated by an intermediate, broad and intense OSL component, so that its contribution and general characteristics are derived very accurately. Through a series of dose–response, bleaching and thermal decay at room temperature experiments, in conjunction with curve fitting studies...
Article
Full-text available
Schist is a common siliciclastic geological material that has been extensively used in buildings as brick, tile and roofing slates. Its use, especially in the Mediterranean sea is widespread through the centuries. There are various examples from the ancient Greece, such as monuments from Knossos, Karthaia, as well as from modern Greece, such as tra...
Article
The experimental glow-curve of Al2O3:C is highly disturbed due to the strong thermal quenching effect present in this material. Therefore, the real glow-curve shape of this material is unknown. The present work describes an attempt to reconstruct the glow-curve shape of Al2O3:C samples with different TL peak structures. The reconstruction procedure...
Article
Al2O3:C single crystals are known to exhibit different, sample dependent, glow-curve shapes. The relation between the Thermoluminescence (TL) traps and the linear modulated optically stimulation luminescence (LM-OSL) traps is of high importance. In the present work a correlation study is attempted using 23 single crystals with dimensions between 40...
Article
Full-text available
The thermoluminescence (TL) and Optically Stimulated Luminescence (OSL) dating of crystalline materials, first applied to calcites (limestone buildings), has been extended to carved megalithic monuments made of granites, basalt and sandstones derived from archaeological sites. Various applied criteria for potential dating included pulsed blue light...
Article
The anomalous fading (AF) of thermoluminescence (TL) and optically stimulated luminescence (OSL) signals in Durango apatite is attributed to tunnelling effects. Electrons from the TL and OSL traps in this material are transferred, via a tunnelling effect, to the recombination sites. The availability of recombination sites for tunnelled electrons is...
Article
Schist, a metamorphic rock composed largely of quartz and muscovite, has been used as a building stone through the centuries in many parts of the world. In ancient Greece, it was used in buildings and monuments (Knossos, Karthaia, etc). Basic TL and OSL properties of schist are studied in the present work to evaluate its potential use in archaeolog...
Article
Several methods of thermal analysis are used to determine in the laboratory the firing temperature of ancient ceramic sherds. These methods are based primarily on changes of physical characteristics occurring when clay minerals are heated. The luminescence properties of quartz grains in a ceramic matrix also undergo certain changes during firing. T...
Article
Micro-X-ray fluorescence (μ-XRF) spectrometry is an analytical technique that is especially suitable for the study of archeological findings since it is non-destructive, rapid, universal, versatile and multi-elemental. In the present work a compact portable μ-XRF spectrometer was used to characterize decorated sherds of Neolithic pottery from Polyp...