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Researcher
Paul Matthys
Profile
Projects
Publications
Activities
65
Results
2015
Blending face-to-face higher education with web-based lectures: comparing different didactical application scenarios
Hannelore Montrieux
Sandra Vangestel
Annelies Raes
Paul Matthys
Tammy Schellens
A1
Journal Article
in
EDUCATIONAL TECHNOLOGY & SOCIETY
2015
2014
Understanding the dosimetric powder EPR spectrum of sucrose by identification of the stable radiation-induced radicals
Henk Vrielinck
Jevgenij Kusakovskij
Gauthier Vanhaelewyn
Paul Matthys
Freddy Callens
A1
Journal Article
in
RADIATION PROTECTION DOSIMETRY
2014
2013
Understanding the dosimetric powder EPR spectrum of sucrose by identification of the stable radiation-induced radicals
Henk Vrielinck
Jevgenij Kusakovskij
Gauthier Vanhaelewyn
Paul Matthys
Freddy Callens
C3
Conference
2013
2012
Back to basics : study of defects in single crystal CuInSâ‚‚ solar cell absorber material
Lisanne Van Puyvelde
Paul Matthys
Philippe Smet
Johan Lauwaert
Henk Vrielinck
C3
Conference
2012
Electron paramagnetic resonance study of Eu2+ centers in melt-grown CsBr single crystals
Henk Vrielinck
Dmitry Zverev
P Leblans
J-P Tahon
Paul Matthys
Freddy Callens
A1
Journal Article
in
PHYSICAL REVIEW B
2012
2011
Electron nuclear double resonance study of photostimulated luminescence active centers in CsBr:Eu2+ medical imaging plates
Henk Vrielinck
Frank Loncke
Jean-Pierre Tahon
Paul Leblans
Paul Matthys
Freddy Callens
A1
Journal Article
in
PHYSICAL REVIEW B
2011
Sputter deposited transition metal nitrides as back electrode for CIGS solar cells
Stijn Mahieu
Wouter Leroy
Koen Van Aeken
M Wolter
J Colaux
S Lucas
G Abadias
Paul Matthys
Diederik Depla
A1
Journal Article
in
SOLAR ENERGY
2011
2009
Magnetic resonance study of dopant related defects in X-ray storage phosphors
Frank Loncke
Freddy Callens
Paul Matthys
Dissertation
2009
Temperature dependence of Eu-related EPR spectra in CsBr:Eu needle image plates
Frank Loncke
Henk Vrielinck
Paul Matthys
Freddy Callens
Jean-Pierre Tahon
Paul Leblans
Ijaz Ahmad
Etienne Goovaerts
A1
Journal Article
in
PHYSICAL REVIEW B
2009
2008
EPR, ENDOR and HYSCORE study of X-ray induced centres in K2YF5 thermoluminescent phosphors
Dmitry Zverev
Henk Vrielinck
Freddy Callens
Paul Matthys
S DOORSLAER
NM KHAIDUKOV
A1
Journal Article
in
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2008
Electron paramagnetic resonance study of a Eu2+ related defect in CsBr: Eu needle image plates for computed radiography
Frank Loncke
Henk Vrielinck
Paul Matthys
Freddy Callens
JP TAHON
P LEBLANS
A1
Journal Article
in
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
2008
Paramagnetic Eu2+ center as a probe for the sensitivity of CsBr x-ray needle image plates
Frank Loncke
Henk Vrielinck
Paul Matthys
Freddy Callens
JP TAHON
P LEBLANS
A1
Journal Article
in
APPLIED PHYSICS LETTERS
2008
2007
EPR and ENDOR analysis of Fe3+ impurity centers in fluoroelpasolite lattices
Frank Loncke
Hendrik De Cooman
NM KHAIDUKOV
Henk Vrielinck
E GOOVAERTS
Paul Matthys
Freddy Callens
A1
Journal Article
in
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2007
K2YF5 crystal symmetry determined by using rare-earth ions as paramagnetic probes
Frank Loncke
Dmitry Zverev
Henk Vrielinck
NM KHAIDUKOV
Paul Matthys
Freddy Callens
A1
Journal Article
in
PHYSICAL REVIEW B
2007
Pitfall trapping in flooding habitats: a new technique reveals Archisotoma pulchella (Collembola: Isotomidae) as new to the Belgian fauna
Johan Mertens
Lynda Beladjal
F JANSSENS
Paul Matthys
A1
Journal Article
in
BELGIAN JOURNAL OF ZOOLOGY
2007
2006
Q-band EPR and ENDOR of low temperature X-irradiated beta-D-fructose single crystals
Gauthier Vanhaelewyn
Ewald Pauwels
Freddy Callens
Michel Waroquier
E SAGSTUEN
Paul Matthys
A1
Journal Article
in
JOURNAL OF PHYSICAL CHEMISTRY A
2006
2005
Magnetic resonance study of Cr3+ and Fe3+ centers in hexagonal Cs2NaAlF6 and Cs2NaGaF6 crystals
Henk Vrielinck
Frank Loncke
Freddy Callens
Paul Matthys
N.M. KHAIDUKOV
A2
Journal Article
in
PHYSICA STATUS SOLIDI C - CONFERENCES AND CRITICAL REVIEWS
2005
2004
Identification of Cr3+ centers in Cs2NaAlF6 and Cs2NaGaF6 crystals by EPR and ENDOR paramagnetic resonance techniques
Henk Vrielinck
Frank Loncke
Freddy Callens
Paul Matthys
NM KHAIDUKOV
A1
Journal Article
in
PHYSICAL REVIEW B
2004
2003
A multi-frequency EPR and ENDOR study of Rh and Ir complexes in alkali and silver halides
Freddy Callens
Henk Vrielinck
Paul Matthys
A1
Journal Article
in
RADIATION EFFECTS AND DEFECTS IN SOLIDS
2003
Reinterpretation of temperature-induced dynamical behavior in the EPR spectrum of Rh2+ centers in AgCl
Henk Vrielinck
Freddy Callens
Paul Matthys
A1
Journal Article
in
PHYSICAL REVIEW B
2003
Single crystal magnetic resonance study of a Rh2+ dimer centre in NaCl at Q-band
Henk Vrielinck
K SABBE
Freddy Callens
Paul Matthys
A1
Journal Article
in
RADIATION EFFECTS AND DEFECTS IN SOLIDS
2003
2002
Comparative X- and Q-band EPR study of radiation-induced radicals in tooth enamel.
Gauthier Vanhaelewyn
J SADLO
Paul Matthys
Freddy Callens
A1
Journal Article
in
RADIATION RESEARCH
2002
EPR spectrum and formation properties of a cubic Rh+ centre in NaCl.
Henk Vrielinck
Freddy Callens
Paul Matthys
A1
Journal Article
in
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2002
Electron paramagnetic resonance spectroscopy of Cr3+ in hexagonal Cs2NaGaF6 crystals.
Henk Vrielinck
NM KHAIDUKOV
Freddy Callens
Paul Matthys
A1
Journal Article
in
RADIATION EFFECTS AND DEFECTS IN SOLIDS
2002
Some recent multi-frequency electron paramagnetic resonance results on systems relevant for dosimetry and dating.
Freddy Callens
Gauthier Vanhaelewyn
Paul Matthys
A1
Journal Article
in
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
2002
2001
Detection of charge compensating cation vacancies near Rh2+ complexes in AgCl and NaCl using Q-band ENDOR.
Henk Vrielinck
Kris Sabbe
Freddy Callens
Paul Matthys
A1
Journal Article
in
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2001
Magnetic resonance analysis of Rh complexes in AgCl and NaCl
Henk Vrielinck
Paul Matthys
Freddy Callens
Dissertation
2001
Magnetic resonance study of the Fe+(I) center in SrCl2 single crystals - art. no. 024405.
Henk Vrielinck
Freddy Callens
Paul Matthys
SV NISTOR
D GHICA
D SCHOEMAKER
A1
Journal Article
in
PHYSICAL REVIEW B-CONDENSED MATTER
2001
Q-band electron nuclear double-resonance detection of the cation vacancies near the cis-[RhCl6](4-)center dot 2 Vac complex in NaCl - art. no. 214105.
Henk Vrielinck
Freddy Callens
Paul Matthys
A1
Journal Article
in
PHYSICAL REVIEW B-CONDENSED MATTER
2001
2000
A decomposition study of the EPR spectrum of irradiated sucrose.
Gauthier Vanhaelewyn
J SADLO
Freddy Callens
Willy Mondelaers
Denis De Frenne
Paul Matthys
A1
Journal Article
in
APPLIED RADIATION AND ISOTOPES
2000
Magnetic resonance study of Rh complexes in AgCl microcrystals.
Henk Vrielinck
Kris Sabbe
Freddy Callens
Paul Matthys
D VANDENBROUCKE
A1
Journal Article
in
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
2000
X- and Q-band electron paramagnetic resonance of CO2- in hydroxyapatite single crystals.
Gauthier Vanhaelewyn
Rino Morent
Freddy Callens
Paul Matthys
A1
Journal Article
in
RADIATION RESEARCH
2000
1999
Electron paramagnetic resonance and electronnuclear double resonance investigation of NaCl: Ir - a model system for similarly doped silver halides.
M ZDRAVKOVA
Kris Sabbe
Freddy Callens
E DOBBELEIR
Paul Matthys
A1
Journal Article
in
IMAGING SCIENCE JOURNAL
1999
Magnetic resonance analysis of a hydrated Rh2+ complex in silver chloride microcrystals.
Henk Vrielinck
Freddy Callens
Paul Matthys
D VANDENBROUCKE
A1
Journal Article
in
SOLID STATE COMMUNICATIONS
1999
1998
ENDOR identification of a (RhCl6)4- centre in AgCl:Rh microcrystals through comparison with similarly doped AgCl single crystals
Henk Vrielinck
K SABBE
Freddy Callens
Paul Matthys
H VERCAMMEN
D SCHOEMAKER
D VANDENBROUCKE
C1
Conference
1998
ENDOR identification of a Rh+ centre in solution-grown NaCl.
Henk Vrielinck
Freddy Callens
M ZDRAVKOVA
Paul Matthys
A1
Journal Article
in
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS
1998
EPR and ENDOR of radiation-induced CO33- radicals in human tooth enamel heated at 400 degrees C.
J SADLO
Paul Matthys
Gauthier Vanhaelewyn
Freddy Callens
J MICHALIK
W STACHOWICZ
A1
Journal Article
in
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS
1998
EPR of carbonate derived radicals: Applications in dosimetry, dating and detection of irradiated food.
Freddy Callens
Gauthier Vanhaelewyn
Paul Matthys
Etienne Boesman
A1
Journal Article
in
APPLIED MAGNETIC RESONANCE
1998
Electron nucelar double resonance of a nearly axial Rh2+ center in solution-grown NaCl crystals.
Freddy Callens
Henk Vrielinck
Paul Matthys
M ZDRAVKOVA
H VERCAMMEN
D SCHOEMAKER
A1
Journal Article
in
JOURNAL OF APPLIED PHYSICS
1998
Electron-nuclear double resonance of human tooth enamel heated at 400 degrees C.
J SADLO
Freddy Callens
J MICHALIK
W STACHOWICZ
Paul Matthys
Etienne Boesman
A1
Journal Article
in
CALCIFIED TISSUE INTERNATIONAL
1998
1996
A study of the composite character of the ESR spectrum of alanine
Freddy Callens
Koenraad Van Laere
Willy Mondelaers
Paul Matthys
Etienne Boesman
A1
Journal Article
in
APPLIED RADIATION AND ISOTOPES
1996
ENDOR investigation of S-2(-), SSe- and Se-2(-) defects in NaCl.
S VANDOORSLAER
Filiep Maes
Freddy Callens
Paul Matthys
Etienne Boesman
A1
Journal Article
in
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS
1996
ENDOR study of an O- ion observed in X-ray-irradiated carbonated hydroxyapatite powders.
Peter Moens
Freddy Callens
S VANDOORSLAER
Paul Matthys
A1
Journal Article
in
PHYSICAL REVIEW B-CONDENSED MATTER
1996
P-31 and H-1 powder ENDOR study of ozonide radicals in carbonated apatites, synthesized from aqueous solutions.
Sabine Van Doorslaer
Peter Moens
Freddy Callens
Paul Matthys
Ronald Verbeeck
A1
Journal Article
in
APPLIED MAGNETIC RESONANCE
1996
1995
AN ENDOR ANALYSIS OF A DIATOMIC SULFUR DEFECT IN RBI.
S VANDOORSLAER
Freddy Callens
Filiep Maes
Paul Matthys
A1
Journal Article
in
JOURNAL OF PHYSICS-CONDENSED MATTER
1995
An endor study of RBI-O-2(-).
S VANDOORSLAER
Freddy Callens
Filiep Maes
Paul Matthys
A1
Journal Article
in
JOURNAL OF PHYSICS-CONDENSED MATTER
1995
1994
An EPR study and spin Hamiltonian analysis of a new SSE defect in NaCl.
Filiep Maes
S VANDOORSLAER
Freddy Callens
Peter Moens
Paul Matthys
Etienne Boesman
A1
Journal Article
in
JOURNAL OF PHYSICS-CONDENSED MATTER
1994
EPR study of NACLCO2- and NACLSO2-.
Peter Moens
SE VANDOORSLAER
Freddy Callens
Filiep Maes
Paul Matthys
JM DHEER
A1
Journal Article
in
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS
1994
EPR study of carbonate derived and ozonide radicals in carbonated apatites synthesized from aqueous-solutions.
Peter Moens
Freddy Callens
Paul Matthys
Etienne Boesman
Ronald Verbeeck
A1
Journal Article
in
APPLIED MAGNETIC RESONANCE
1994
Electron-Paramagnetic-Resonance of an 03-Ion Trapped in KI.
Peter Moens
Freddy Callens
S VANDOORSLAER
Filiep Maes
Paul Matthys
A1
Journal Article
in
PHYSICA STATUS SOLIDI B-BASIC RESEARCH
1994
P-31 AND H-1 powder ENDOR and molecular orbital study of a CO33- ion in X-irradiated carbonate containing hydroxyapatites.
Peter Moens
Freddy Callens
Paul Matthys
Ronald Verbeeck
A1
Journal Article
in
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS
1994
1993
ESR STUDY OF C-13-ENRICHED CARBONATED CALCIUMAPATITES PRECIPITATED FROM AQUEOUS-SOLUTIONS.
Freddy Callens
Ronald Verbeeck
DE NAESSENS
Paul Matthys
Etienne Boesman
A1
Journal Article
in
CALCIFIED TISSUE INTERNATIONAL
1993
1992
A FAST METHOD FOR FITTING THE G-TENSOR OF EPR POWDER SPECTRA USING THE LEVENBERG-MARQUARDT ALGORITHM.
PDW MOENS
DE NAESSENS
Freddy Callens
Paul Matthys
Filiep Maes
Etienne Boesman
A1
Journal Article
in
BULLETIN DES SOCIETES CHIMIQUES BELGES
1992
EPR OF TRICLINIC FE CENTERS IN KCL AND RBCL.
Freddy Callens
Filiep Maes
Paul Matthys
P MOENS
Etienne Boesman
A1
Journal Article
in
PHYSICA STATUS SOLIDI B-BASIC RESEARCH
1992
EPR of S2' in RbCl and RbBr
Freddy Callens
Filiep Maes
Paul Matthys
Peter Moens
Etienne Boesman
A2
Journal Article
in
Phys. Stat. Sol., 170, pp. 609-613, 2 figg
1992
EPR of S2- in RbCl and RbBr.
Filiep Maes
Paul Matthys
Freddy Callens
Peter Moens
Etienne Boesman
A1
Journal Article
in
JOURNAL OF PHYSICS-CONDENSED MATTER
1992
Electron paramagnetic resonance of phosphate-derived radicals in KCL.
Freddy Callens
Filiep Maes
Peter Moens
Paul Matthys
Etienne Boesman
A1
Journal Article
in
JOURNAL OF PHYSICS-CONDENSED MATTER
1992
THE SPIN HAMILTONIAN OF THERMAL DONORS IN GERMANIUM.
D ISRAEL
Freddy Callens
Paul Clauws
Paul Matthys
A1
Journal Article
in
SOLID STATE COMMUNICATIONS
1992
The spin hamiltonian of thermal donors in germanium
D ISRAEL
Freddy Callens
Paul Clauws
Paul Matthys
1992
1991
Adsorption of carbonate-derived molecules on the surface of carbonate-containing apatites.
Peter Moens
Freddy Callens
Paul Matthys
Filiep Maes
Ronald Verbeeck
D NAESSENS
A1
Journal Article
in
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS
1991
EPR of See- in NaBr
Filiep Maes
Paul Matthys
Freddy Callens
Etienne Boesman
1991
Electron paramagnetic resonance of a Co2~ radical trapped in KBr
Peter Moens
Paul Matthys
Freddy Callens
Filiep Maes
Etienne Boesman
A2
Journal Article
in
Phys. Stat. Sol., (b), 168, pp. 289-296, 5 figg
1991
Electron paramagnetic resonance study of S- and S3- in RbCl
Filiep Maes
Freddy Callens
Paul Matthys
E BOES MAN
1991
The effect of carbonate content and drying temperature on the ESR-spectrum near G=2 of carbonated calciumapatites synthesized from aqueous-media
Freddy Callens
Ronald Verbeeck
DE Naessens
Paul Matthys
Etienne Boesman
A1
Journal Article
in
CALCIFIED TISSUE INTERNATIONAL
1991
ESR study of 1:^C enriched carbonated calciumapatites precipitaded from aqueous solutions. Calcif. Tissue Int. 52, (1993) 386-391.
Freddy Callens
Ronald Verbeeck
Didier NAESSENS
Paul Matthys
Etienne Boesman
