Publications (29)
Direct experimental observation of nonclassicality in ensembles of single photon emitters
E. Moreva, P. Traina, J. Forneris +6
In this work we experimentally demonstrate for the first time a recently proposed criterion adressed to detect nonclassical behavior in the fluorescence emission of ensembles of si…
Electroluminescence from a diamond device with ion-beam-micromachined buried graphitic electrodes
J. Forneris, A. Battiato, D. Gatto Monticone +12
Focused MeV ion microbeams are suitable tools for the direct writing of conductive graphitic channels buried in an insulating diamond bulk, as demonstrated in previous works with t…
Modification of the structure of diamond with MeV ion implantation
F. Bosia, N. Argiolas, M. Bazzan +5
We present experimental results and numerical simulations to investigate the modification of structural-mechanical properties of ion-implanted single-crystal diamond. A phenomenolo…
Direct fabrication of three-dimensional buried conductive channels in single crystal diamond with ion microbeam induced graphitization
P. Olivero, G. Amato, F. Bellotti +10
We report on a novel method for the fabrication of three-dimensional buried graphitic micropaths in single crystal diamond with the employment of focused MeV ions. The use of impla…
Effects of high-power laser irradiation on sub-superficial graphitic layers in single crystal diamond
F. Picollo, S. Rubanov, C. Tomba +8
We report on the structural modifications induced by a lambda = 532 nm ns-pulsed high-power laser on sub-superficial graphitic layers in single-crystal diamond realized by means of…
Nanodiamond quantum sensors reveal temperature variation associated to hippocampal neurons firing
G. Petrini, G. Tomagra, E. Bernardi +9
Temperature is one of the most relevant parameters for the regulation of intracellular processes. Measuring localized subcellular temperature gradients is fundamental for a deeper…
Nanodiamonds-induced effects on neuronal firing of mouse hippocampal microcircuits
L. Guarina, C. Calorio, D. Gavello +12
Fluorescent nanodiamonds (FND) are carbon-based nanomaterials that can efficiently incorporate optically active photoluminescent centers such as the nitrogen-vacancy complex, thus…
Single-photon emitters based on NIR colour centres in diamond coupled with solid immersion lenses
D. Gatto Monticone, J. Forneris, M. Levi +11
Single-photon sources represent a key enabling technology in quantum optics, and single colour centres in diamond are a promising platform to serve this purpose, due to their high…
Development and characterization of a diamond-insulated graphitic multi electrode array realized with ion beam lithography
F. Picollo, A. Battiato, E. Carbone +7
The detection of quantal exocytic events from neurons and neuroendocrine cells is a challenging task in neuroscience. One of the most promising platforms for the development of a n…
Formation of buried conductive micro-channels in single crystal diamond with MeV C and He implantation
F. Picollo, P. Olivero, F. Bellotti +6
As demonstrated in previous works, implantation with a MeV ion microbeam through masks with graded thickness allows the formation of conductive micro-channels in diamond which are…
Focused ion beam fabrication and IBIC characterization of a diamond detector with buried electrodes
P. Olivero, J. Forneris, M. Jaksic +4
This paper reports on the fabrication and characterization of a high purity monocrystalline diamond detector with buried electrodes realized by the selective damage induced by a fo…
Lateral IBIC characterization of single crystal synthetic diamond detectors
A. Lo Giudice, P. Olivero, C. Manfredotti +9
In order to evaluate the charge collection efficiency (CCE) profile of single-crystal diamond devices based on a p type/intrinsic/metal configuration, a lateral Ion Beam Induced Ch…
Direct fabrication and IV characterization of sub-surface conductive channels in diamond with MeV ion implantation
P. Olivero, G. Amato, F. Bellotti +4
In the present work we report about the investigation of the conduction mechanism of sp2 carbon micro-channels buried in single crystal diamond. The structures are fabricated with…
IBIC characterization of an ion-beam-micromachined multi-electrode diamond detector
J. Forneris, V. Grilj, M. Jaksic +7
Deep Ion Beam Lithography (DIBL) has been used for the direct writing of buried graphitic regions in monocrystalline diamond with micrometric resolution. Aiming at the development…
Characterization of the recovery of mechanical properties of ion-implanted diamond after thermal annealing
M. Mohr, F. Picollo, A. Battiato +8
Due to their outstanding mechanical properties, diamond and diamond-like materials find significant technological applications ranging from well-established industrial fields (cutt…
Recent Results from Polycrystalline CVD Diamond Detectors
RD42 Collaboration, L. Bäni, A. Alexopoulos +109
Diamond is a material in use at many nuclear and high energy facilities due to its inherent radiation tolerance and ease of use. We have characterized detectors based on chemical v…
Microelectrode arrays of diamond-insulated graphitic channels for real time detection of exocytotic events from cultured chromaffin cells and slices of adrenal glands
F. Picollo, A. Battiato, E. Bernardi +5
A microstructured graphitic 4x4 multielectrode array was embedded in a single crystal diamond substrate (4x4 {uG-SCD MEA) for real-time monitoring of exocytotic events from culture…
All-carbon multi-electrode array for real-time in vitro measurements of oxidizable neurotransmitters
F. Picollo, A. Battiato, E. Bernardi +7
We report on the ion beam fabrication of all-carbon multi electrode arrays (MEAs) based on 16 graphitic micro-channels embedded in single-crystal diamond (SCD) substrates. The fabr…
Measurement and modelling of anomalous polarity pulses in a multi-electrode diamond detector
J. Forneris, V. Grilj, M. Jaksic +6
In multi-electrode detectors, the motion of excess carriers generated by ionizing radiation induces charge pulses at the electrodes, whose intensities and polarities depend on the…
Kelvin probe characterization of buried graphitic microchannels in single-crystal diamond
E. Bernardi, A. Battiato, P. Olivero +2
In this work, we present an investigation by Kelvin Probe Microscopy (KPM) of buried graphitic microchannels fabricated in single-crystal diamond by direct MeV ion microbeam writin…
Fabrication and electrical characterization of three-dimensional graphitic microchannels in single crystal diamond
F. Picollo, D. Gatto Monticone, P. Olivero +4
We report on the systematic characterization of conductive micro-channels fabricated in single-crystal diamond with direct ion microbeam writing. Focused high-energy (~MeV) helium…
Softening the ultra-stiff: controlled variation of Young's modulus in single crystal diamond
A. Battiato, M. Lorusso, E. Bernardi +9
A combined experimental and numerical study on the variation of the elastic properties of defective single-crystal diamond is presented for the first time, by comparing nano-indent…
Micro and nano-patterning of single-crystal diamond by swift heavy ion irradiation
G. Garcia, I. Preda, M. Diaz-Hijar +11
This paper presents experimental data and analysis of the structural damage caused by swift-heavy ion irradiation of single-crystal diamond. The patterned buried structural damage…
Photo-physical properties of He-related color centers in diamond
G. Prestopino, M. Marinelli, E. Milani +9
Diamond is a promising platform for the development of technological applications in quantum optics and photonics. The quest for color centers with optimal photo-physical propertie…
Fluorine-based color centers in diamond
S. Ditalia Tchernij, T. Lühmann, E. Corte +14
We report on the creation and characterization of the luminescence properties of high-purity diamond substrates upon F ion implantation and subsequent thermal annealing. Their room…
Finite element analysis of ion-implanted diamond surface swelling
F. Bosia, P. Olivero, E. Vittone +10
We present experimental results and numerical Finite Element analysis to describe surface swelling due to the creation of buried graphite-like inclusions in diamond substrates subj…
Practical applications of quantum sensing: a simple method to enhance sensitivity of Nitrogen-Vacancy-based temperature sensors
E. Moreva, E. Bernardi, P. Traina +9
Nitrogen-vacancy centers in diamond allow measurement of environment properties such as temperature, magnetic and electric fields at nanoscale level, of utmost relevance for severa…
Electroluminescence from nitrogen-vacancy and interstitial-related centers in bulk diamond stimulated by ion-beam-fabricated sub-superficial graphitic micro-electrodes
J. Forneris, S. Ditalia Tchernij, A. Battiato +12
We report on the fabrication and characterization of a single-crystal diamond device for the electrical stimula- tion of light emission from nitrogen-vacancy (NV0) and other defect…
A 3-dimensional interdigitated electrode geometry for the enhancement of charge collection efficiency in diamond detectors
J. Forneris, A. Lo Giudice, P. Olivero +9
In this work, a single crystal CVD diamond film with a novel three-dimensional (3D) interdigitated electrode geometry has been fabricated with the Reactive Ion Etching (RIE) techni…