Daniela Ferro

Daniela Ferro
Italian National Research Council | CNR · Institute of Nanostructured Materials ISMN

chemistry

About

167
Publications
8,517
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
2,418
Citations

Publications

Publications (167)
Article
Full-text available
The mining areas of the Middle Atlas, already inhabited in the Neolithic period, have been under the influences of different cultures, firstly Phoenician, then Punic or Ibero-Punic, Berber, Roman and finally Islamic. The impact of external cultures on the evolution and development of ancient metallurgy in the north-central Atlas region and the Sout...
Conference Paper
Cleaning of metallic threads has been a recurrent dilemma in historical textile conservation. Careful selection of restoration methods is in fact required because decayed metallic threads are wrapped around natural textile fibers. This article synthesizes the results of a conservation study undertaken at the Accademia di Francia in Rome of a silk v...
Conference Paper
Full-text available
Reproductions of ancient gold-silver parting procedures were carried out following experimental archaeology protocols and interpreted in the light of the analytical characterization of reagents and products, aimed to define the chemical reactions involved, in order to prepare and execute the thermodynamic validation of them. Analyses were conducted...
Article
Full-text available
For a long time the conservation of archaeological artifacts is based on the principles of compatibility and minimal intervention. This involves a series of partially unsolved problems, concerning the products used for deteriorated structures consolidation. The choice of the restoration materials depends on several factor such as: microclimatic con...
Article
Full-text available
This study focusses on the development and application of an innovative protocol which combines chemical data, GIS (geographical information system) and PCA, involving numeric (chemical composition) and categorical (typology of object, archaeological context, chronology and geographical areas) variables, as a simple tool to help in the visualisatio...
Article
Full-text available
The synthesis of calcium phosphate particles on cellulose fibers of cotton fabric is developed. The possibility of obtaining particles homogeneously distributed over the fiber surface through synthesis including the procedures of cellulose phosphorylation in orthophosphoric acid solution and treatment in calcium salts followed by treatment in ammon...
Article
In this work, the use of a film of an organometallic polymer, namely Pt-DEBP, has been tested for the selective capture of sulfides with the aim of protecting silver object. Ag foils were exposed to different environmental conditions in the presence of Pt-DEBP films. Scanning electron microscopy, energy dispersive spectrometry, and colorimetric stu...
Conference Paper
Uno studio comparato e multidisciplinare, che consideri sia l’aspetto storico-archeologico che quello chimico-fisico, può essere facilmente applicato alla numismatica antica poiché la moneta, come oggetto e come documentazione storica, può essere considerata, oltre che dal punto di vista storico e stilistico, anche come un oggetto che racchiude inf...
Article
It has become a common practice to include diagnostics and archaeometric studies during a masterpiece restoration. The advantages and limits of this approach are now topic of discussion in the community of researchers that is growing up quickly. The bronze burial monument of Pope Sixtus IV (1471–84) by Antonio del Pollaiolo, now in the Treasure Mus...
Article
p>Le tracce di ossidiane e la caratterizzazione delle componenti chimiche presenti nei luoghi oggetto di indagini archeologiche, permettono l'individuazione delle antiche rotte commerciali. In Italia le aree individuate sono Monte Arci in Sardegna, Lipari e Pantelleria in Sicilia e Palmarola nel Lazio. Obsidian from Palmarola: source markers A c...
Article
There are essentially six sources for obsidians in the Mediterranean Basin: Mount Arci in Sardinia, the islands of Lipari and Pantelleria in Sicily and Palmarola in Latium, as well as the islands of Melos and Gyali in the south-eastern part of Greece. Identification and quantification of principal and trace elements which compose this volcanic glas...
Article
The article analyzes the grave goods contained in the tomb n. 116 in the Necropolis of Castellaccio in Rome (IV Cent. B.C.-IV cent. A.C.) and offers a description of a bracelet and some rings, analyzed by electronic microscope and by EDS.
Article
In the main frame of the research aimed to model the corrosion growth on bronze surface, the objective of the work here reported has been to characterize the corrosion products formed on laboratory samples of bronze alloy (Cu Sn12), during the early stage of exposure to moist air with sulfur dioxide. A cycling corrosion cabinet was used to control...
Article
Full-text available
Fluorinated hydroxyapatite coated titanium was investigated for application as implant coating for bone substitute materials in orthopaedics and dentistry. Pulsed laser deposition technique was used for films preparation. Fluorinated hydroxyapatite target composition, Ca10(PO4)6F1.37(OH)0.63, was maintained at 2 J/cm2 of laser fluence and 500–600 °...
Article
Deposition of MoSi2 films on silicon and tantalum substrates applying pulsed laser deposition technique has been performed. Crystalline, hexagonal symmetry, MoSi2 films were prepared directly from stoichiometric MoSi2 tetragonal target on room temperature and heated substrates (500°C). Textured MoSi2 films having privileged (110) and (115) orientat...
Article
Full-text available
The compositional and structural characterization of the constituent alloys of precious metal artefacts is the basis for understanding the technological processes used in the art of the ancient goldsmiths. This research presents a multi-analytical approach to the study of the technologies of ancient jewellery manufacturing through the use of non-tr...
Article
Full-text available
The finding of hair decorations is not rare in archaeological excavations. It is well known that pins, gold nets, gold wires and threads embellished noble ladies’ heads, but it is less common to find small accessories meant to bind braids created as small jewels, such as the 7th century BC spirals found in Lazio. Two hair coils of great refinement,...
Article
Carbonated hydroxyapatite (CHA)-coated titanium can find wide applications as bone substitute implant in bone and dental surgery and orthopedics, promoting osseointegration with a host bone and ensuring biocompatibility and bioactivity. In this work, carbonated hydroxyapatite films were prepared on titanium substrates by pulsed laser deposition at...
Article
Nanosized hydroxyapatite (nano-HA) is known to be of enhanced biological efficacy, being used in medical events as a mix with physiological solution, saline or patient's blood before the application. This study is aimed at the investigation of the time evolution of both phase composition and particle size of nano-HA in aqueous (isotonic 0.9% NaCl)...
Article
In this paper we will report the results obtained by femtosecond Pulsed Laser Deposition on vanadium carbide. These results, compared with those obtained for another group 5 carbide, tantalum carbide, evidence large analogies between the two systems. Optical emission spectroscopy shows in both cases the presence of particles in the secondary plume...
Article
Recently, the superhardness of rhenium diboride films was reported. In this study the first successful preparation and characterization of ruthenium boride films is presented. The morphology, topography, microstructure and hardness of films, prepared by pulsed laser deposition, were investigated. The films, which are 0.7 μm thick, have a dense grai...
Article
In this paper the deposition of thin films obtained from femtosecond laser ablation of an Al70Cu20Fe10 alloy is presented. In the plasma produced by ablation, a characteristic feature is the presence of hot nanoparticles that become evident several microseconds after the laser shot. The cooling mechanisms of these particles have been analysed toget...
Article
Full-text available
In the present study, carbon films were deposited by a pulsed laser deposition method. A C60 fullerene target has been irradiated by a frequency doubled Nd:YAG laser with a pulse duration of 7 ns. The carbon films grown on Si(111) substrates at different substrate deposition temperatures (30, 300 and 500 °C) were characterized by Raman, X-ray Photo...
Article
Despite the numerous literature data available in the field of calcium phosphate bone cements, the mechanism and kinetics of their hardening, both of which are of great importance for cements application, in most cases, is unknown. In this work, the mechanism and kinetics of hardening of two novel high-strength calcium phosphate bone cements were s...
Article
The study was aimed at the hardness determination of thin ZrB2 films produced on pure titanium substrate by pulsed laser deposition and electron beam deposition techniques. The former method allows the deposition of dense crystalline films, being textured preferentially along the (110) direction, whereas the electron beam deposition allows the prod...
Chapter
This work presents the results obtained in June 2006 during a campaign within the frame of an EU-funded 2000 Culture Project. Laser induced breakdown spectroscopy (LIBS) has been used to determine the elemental composition of different parts of two metal objects kept in Sucevita Monastery in Suceava, Romania: a cache-pot from the 18th century and a...
Article
The aim of this work was to study the phase transformation during the setting reaction of two calcium phosphate bone cements based on either alpha tricalcium phosphate (alpha-TCP) or tetracalcium phosphate (TetCP) initial solid phase, and a magnesium carbonate-phosphoric acid solution as the hardening liquid. Low molecular weight (38.2 kDa) chitosa...
Article
Recently, the superhardness of rhenium diboride was discovered. This study presents a first successful preparation and characterization of thin ReB2 films. The films were deposited by the pulsed laser deposition (PLD) technique. The morphology, microstructure, and hardness of the films were investigated. The films are compact and continuous, with a...
Article
The thermal decomposition of cobalt trifluoride was studied by High Temperature Mass Spectrometry (HTMS). It was ascertained that the rate of atomic fluorine evolution in the gas phase might be increased by adding small amounts of Ni(s) or CoF2(s) to cobalt trifluoride. Scanning Electron Microscopy combined with Energy Dispersive X-ray spectroscopy...
Article
The individuation of parameters that characterize decorations in “glass paste” of Etruscan jewels in Meridional Etruria area, by the use of scientific methodologies, has the aim to collocate this typology of manufacts in a historical and geographical context and to improve the knowledge of the technology connected with their realization. The term “...
Article
This work was aimed at the application of an energy dispersive X-ray diffraction technique to study the kinetics of phase development during the setting and hardening reactions in two calcium phosphate bone cements. The cements under study are based on either tricalcium phosphate or tetracalcium phosphate initial solid phase, and a magnesium carbon...
Article
Full-text available
Carbonate hydroxyapatite (CHA) is an analogue of the mineral component of bone tissue. Synthetic CHA is thermally unstable: it readily decomposes with carbon oxide evolution when sintered to ceramics. Its thermal stability has been studied as affected by partial isomorphic substitution of sodium for calcium intended to compensate a possible charge...
Article
Films of VC and NbC of about 200 nm thickness were electron beam deposited on the sandblasted surface of metallic Ti substrates, preheated at 350 and 500 °C, to improve the surface hardness of Ti implants intended for application in orthopaedics. According to both standard angular-dispersive X-ray diffraction measurements and rocking curve analysis...
Article
Thin films of TiC, ZrC, HfC and TaC were pulsed laser ablation deposited onto sandblasted pure titanium substrate at a laser beam fluence of 3 J/cm2. Deposition temperature was room temperature or 500 °C. The films were investigated by scanning electron microscopy, energy-dispersive X-ray diffraction (EDXD) and hardness measurements. The smooth and...
Article
A new approach of elaboration of the compositional data carried out by using X ray energy dispersion system (EDS) trough cluster analysis method, has been applied to the study of two pairs of earrings "a bauletto" from Castellani Collection in exposition at the Museo Nazionale Etrusco di Villa Giulia of Roma. The study allowed to identify the diffe...
Article
Indium tin oxide (ITO) films have been prepared by Pulsed Laser Deposition performed by using, as ablation source, a frequency doubled Nd/glass laser, with a pulse duration of 250 fs. The deposited films have been analysed by scanning electron microscopy, X-ray diffraction, energy dispersive X-ray analysis and X-ray photoelectron spectroscopy. The...
Article
The enthalpy and entropy of sublimation of N-ethylthiourea were obtained from the temperature dependence of its vapour pressure measured by both the torsion–effusion and the Knudsen effusion method in the temperature range 360–380K. The compound undergoes no solid-to-solid phase transition or decomposition below 380K. The pressure against reciproca...
Article
Titanium has limitations in its clinical performance in dental and orthopaedic applications. This study describes a coating process using pulsed laser deposition (PLD) technology to produce surfaces of titanium carbide (TiC) on titanium substrates and evaluates the biological response both in vitro and in vivo. X-ray photoelectron spectroscopy (XPS...
Article
Full-text available
Synthetic carbonated apatite ceramics are considered as promising alternative to auto- and allograft materials for bone substitute. The aim of this study was to investigate the thermal stability of an AB-type carbonated apatite in the wide temperature range. The data on the thermal stability have to allow the conditions of the sintering of the cera...
Article
Submicron thickness films of zirconium and hafnium carbides were electron beam deposited on the sandblasted surface of a metallic titanium substrate. The films were characterized by scanning electron microscopy, and the hardness of the composite film–substrate systems was measured by both Vickers and Knoop microindentation methods in the wide inden...
Article
This study was aimed at the investigation of the thermal stability of Mg-substituted carbonated apatites over the wide temperature range. Two different apatites were studied, which were prepared by either precipitation from aqueous solution or by solid-liquid interaction. The following methods were employed: FTIR spectroscopy of the condensed gas p...
Article
Full-text available
Tantalum carbide (TaC) thin films were electron beam deposited on a roughened surface of pure titanium using a hot-pressed TaC ceramic target. The as-deposited film retained the stoichiometry of the TaC target, but after exposure to 750°C in vacuum the TaC film transformed to Ta 2 C and developed cracks. The intrinsic hardness of the as-deposited f...
Article
The pulsed laser ablation of titanium, zirconium and hafnium carbides has been performed by a Nd:glass laser with a pulse duration of 250 fs. The gaseous phase produced from the ablation has been analysed by emission spectroscopy and ICCD imaging. The results evidence large differences in the plasma characteristics in the case of femtosecond or nan...
Article
Calcium phosphate coatings are known to enhance long-term fixation, reliability and promote osteointegration of cementless titanium-based implant devices. This study was aimed at the pulsed laser deposition of calcium phosphate coatings onto titanium using hydroxyapatite and hydroxyapatite-fluorapatite targets. The deposition was carried out at the...
Article
The mineral constituent of bone tissue is a carbonate-substituted apatite (CHA). The thermal stability of the CHA has been revealed to depend on the substitution type and degree, although relatively little is known about this behavior. The aim of this study was to investigate the carbonate loss from synthetic CHAs in equilibrium conditions in a wid...
Article
Full-text available
Fluorhydroxyapatite ceramics are increasingly studied for the use as biomaterials due to their good integration ability in the bone tissue and higher resorption resistance compared to the common hydroxyapatite (HA) ceramics. This study is aimed at the X-ray diffraction investigation of the interaction between HA and fluorapatite (FA) particulates i...
Article
Thin films of refractory carbides can find application in energy conversion and tribotechnical devices due to their excellent hardness and high melting temperature. Experiments were performed with pulsed laser ablation deposition of Ti, Zr, and Hf carbide films on silicon substrate. The thickness of the films was varied in the wide range by monitor...
Article
Calcium phosphate coatings are known to enhance long-term fixation, reliability and promote osteointegration of cementless titanium-based implant devices. This study was aimed at the pulsed laser deposition of calcium phosphate coatings onto titanium using hydroxyapatite and hydroxyapatite–fluorapatite targets. The deposition was carried out at the...
Article
The interaction between water and reduced ilmenite samples as produced in a hydrothermal reduction process has been investigated at temperature of 1070 and 1223 K utilizing a Ugine-Setaram Thermobalance coupled with a mass-spectrometer. The experimental data show that the process of oxidation of reduced ilmenite is feasible at high temperature givi...
Article
Full-text available
The hardness of electron beam deposited (EBD) titanium carbide films onto Ti substrates was studied. It was found that high temperature of substrate pre-heating results in decreasing hardness of titanium carbide film onto titanium substrate. Even at the substrate pre-heating temperature of about 200°C, the hardness of EBD titanium carbide was found...
Article
Full-text available
Experiments were performed relating to the synthesis, thermal decomposition and sintering of carbonated apatite, aiming at revealing routes of preparation of porous ceramics intended for medical applications as bone tissue substitute. A novel synthesis technique was developed allowing the preparation of the AB-type substituted apatite. Temperature...
Article
A Nd:glass laser with pulse duration of 250 fs and 1.3 ps has been used to evaporate a Al65Cu23Fe12 quasicrystalline target. The gaseous phase obtained from the ablation process has been characterised by several techniques such as emission spectroscopy, quadrupole mass spectrometry and ICCD imaging, used to study the plume composition, energy and m...
Article
In this work, we have evaporated neodymium and praseodymium carbides by a doubled Nd:YAG laser and we have studied the ablation plume by time-of-flight (TOF) mass spectrometry, intensified charge coupled device (ICCD) imaging and emission spectroscopy. The results show that in the gas phase the produced clusters have mainly the (MC2)n (where M is t...
Article
Three different reductive gaseous agents H2, CH4 and NH3 have been employed to investigate the high temperature reduction of ilmenite (FeTiO3). Thermogravimetry and mass spectrometry techniques have been utilized in the investigation of the reactions behavior. Considerations have been made on the parallel reactions due to the change of the componen...
Article
Full-text available
During the archaeological survey in view of an urbanistic project in the ancient Tenuta Boccone D’Aste (north-eastern area of Rome), an important necropolis dating back to the Roman empire (second century A.D.) came to light. A complete archaeological investigation revealed the existence of 80 tombs. Among them, tomb 75 was particularly interesting...
Article
We have investigated the reaction from ilmenite and H2, CH4 or NH3 in a sound assisted-fluidized bed system installed in a solar furnace. The reduction with CH4 and NH3 could be utilized both for bringing on the moon C and N2 and to extract O2.
Article
The gaseous phase produced by laser ablation of a molybdenum silicide target has been analysed by time-of-flight mass spectrometry, emission spectroscopy and fast imaging performed by an ICCD camera, in order to obtain informations about the mechanisms involved in the laser deposition of MoSi2 thin films. During laser ablation, the emission spectra...
Article
Full-text available
The pulsed laser ablation deposition (PLAD) of a commercial Bioglass on Ti-6Al-4V alloy substrate was studied. PLAD provided the bioglass coating on titanium alloy substrate, the coating being of the same composition as that of the initial glass target. High quality glassy coating of 3.7 μm thickness was deposited at the laser beam fluence of about...
Article
A study of the laser ablation and deposition, on Ti6Al4V substrates, of a biological active glass (Bioglass® 45S5) is reported. The gaseous phase composition has been determined by laser ablation inductively coupled plasma mass spectrometry, optical imaging and emission spectroscopy. The deposited films were studied by scanning electron microscopy...