Research Explorer

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Researcher

Etienne Boesman

Publications & Research Data

Awards & Distinctions

96 Results

1999

a-SiN: H thin films for X-ray sensor array.

I POPOVGeert Van DoorselaerAndré Van CalsterHerbert De SmetFreddy CallensEtienne Boesman

Material aspects of a-SiN:H based 2D direct X-ray sensor array

I PopovGeert Van DoorselaerAndré Van CalsterHerbert De SmetEtienne BoesmanFreddy Callens

1998

A-SiN:H TFD Sensor Array for Digital Radiography

I POPOVGeert Van DoorselaerAndré Van CalsterHerbert De SmetF CALLENSEtienne Boesman

Electron paramagnetic resonance and electron nuclear double resonance of NaC1:Rh 2+ : a comparison between similarly doped Bridgman- and solution-grown single crystals

Kris SabbeFreddy CallensEtienne Boesman

A1 Journal Article in APPLIED MAGNETIC RESONANCE

Electron-nuclear double resonance of human tooth enamel heated at 400°C

J. SadloFreddy CallensJ. MichalikW. StachowiczPaul MatthysEtienne Boesman

A1 Journal Article in CALCIFIED TISSUE INTERNATIONAL

EPR of carbonate derived radicals : applications in dosimetry, dating and detection of irradiated food

Freddy CallensGauthier VanhaelewynPaul MatthysEtienne Boesman

A1 Journal Article in APPLIED MAGNETIC RESONANCE

Prototype of 2D direct x-ray a-SiN:H sensor array

I PopovGeert Van DoorselaerAndré Van CalsterHerbert De SmetFreddy CallensEtienne Boesman

Study of strongly overlapping Rh2+ EPR spectra by high-resolution magnetic resonance techniques

Kris SabbeHenk VrielinckFreddy CallensEtienne BoesmanHans VercammenHanno KäßEtienne GoovaertsAugust BouwenDirk Schoemaker

A1 Journal Article in JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

The possibilities and limitations of powder ENDOR: the study of rhodium complexes in a model system (NaCl) for photographic emulsions

Kris SabbeHenk VrielinckFreddy CallensEtienne BoesmanH VERCAMMEND SCHOEMAKER

1997

Electron nuclear double resonance of stable Rh centers in solution-grown NaCl single crystals

Marieta ZdravkovaHenk VrielinckFreddy CallensEtienne BoesmanH VercammenD Schoemaker

A1 Journal Article in JOURNAL OF APPLIED PHYSICS

1996

2D direct X-ray sensor array on the base of a-SiN:H thin films

I PopovAndré Van CalsterHerbert De SmetEtienne BoesmanF Callens

A study of the composite character of the ESR spectrum of alanine

Freddy CallensKoenraad Van LaereWilly MondelaersPaul MatthysEtienne Boesman

A1 Journal Article in APPLIED RADIATION AND ISOTOPES

Comparison between the endor data of different superoxide ions in alkali halides

Sabine Van DoorslaerFreddy CallensFiliep MaesEtienne BoesmanDidier Bouden

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

Electron-nuclear double-resonance analysis of diatomic sulfur and selenium defects in NaBr and NaI

S Van DoorslaerFreddy CallensFiliep MaesEtienne Boesman

A1 Journal Article in PHYSICAL REVIEW B

Elektronen paramagnetische resonantie en elektronen nucleaire dubbele resonantie van enkele chalcogenide ionen in alkalihalogenide éénkristallen

Filiep MaesEtienne Boesman

ENDOR investigation of S2–, SSe– and Se2– defects in NaCl

Sabine Van DoorslaerFiliep MaesFreddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

Etude de résonance paramagnétique de quelques défauts de fer dans les chlorures alcalins : mesures expérimentales et traitement numérique

Chantal NiyokindiEtienne Boesman

Structurele analyse van paramagnetische chalcogenide defecten in alkalihalogeniden en hydroxyapatieten

Sabine Van DoorslaerFreddy CallensEtienne Boesman

1995

1H and 31P ENDOR of the isotropic CO2− signal atg=2.0007 in the EPR spectra of precipitated carbonated apatites

Peter MoensFreddy CallensEtienne BoesmanRonald Verbeeck

A1 Journal Article in APPLIED MAGNETIC RESONANCE

Electron paramagnetic resonance and molecular orbital study of CO3− ions entrapped in KCl single crystals

Peter MoensFreddy CallensEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS

Electron-paramagnetic-resonance and molecular orbital study of CO3-ions entrapped in KCI single-crystals.

P MOENSFreddy CallensEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS

H-1 and P-31 ENDOR of the Isotropie CO2-Signal at g=2.0007 in the EPR-Spectra of Precipitated Carbonated Apatites.

Peter MoensFreddy CallensEtienne BoesmanRonald Verbeeck

A1 Journal Article in APPLIED MAGNETIC RESONANCE

Single-crystal and powder electron-nuclear double resonance of RbCl: O − 2 : a comparison between the spin Hamiltonian parameters obtained from both experiments

S Van DoorslaerFreddy CallensFiliep MaesEtienne Boesman

A1 Journal Article in PHYSICAL REVIEW B

Single-crystal and powder electron-nuclear double resonance of RbCl:O2- : a comparison between the spin Hamiltonian parameters obtained from both experiments

Sabine Van DoorslaerFreddy CallensFiliep MaesEtienne Boesman

A1 Journal Article in PHYSICAL REVIEW B

1994

An EPR study and spin Hamiltonian analysis of a new SSe- defect in NaCl

Filiep MaesSabine Van DoorslaerFreddy CallensPeter MoensPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS-CONDENSED MATTER

ENDOR Study of RbCl-S2.

Sabine Van DoorslaerFiliep MaesFreddy CallensPeter MoensEtienne Boesman

A1 Journal Article in JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

ENDOR study of RbCl:S2-

Sabine Van DoorslaerFiliep MaesFreddy CallensPeter MoensEtienne Boesman

A1 Journal Article in JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

EPR study of carbonate derived and ozonide radicals in carbonated apatites synthesized from aqueous-solutions

Peter MoensFreddy CallensPaul MatthysEtienne BoesmanRonald Verbeeck

A1 Journal Article in APPLIED MAGNETIC RESONANCE

Fundamentele studie van enkele paramagnetische defecten in gecarbonateerde hydroxyapatieten

Peter MoensEtienne Boesman

1993

ESR study of 13C-enriched carbonated calciumapatites precipitated from aqueous solutions

Freddy CallensRonald VerbeeckDidier NaessensPaul MatthysEtienne Boesman

A1 Journal Article in CALCIFIED TISSUE INTERNATIONAL

ESR STUDY OF C-13-ENRICHED CARBONATED CALCIUMAPATITES PRECIPITATED FROM AQUEOUS-SOLUTIONS.

Freddy CallensRonald VerbeeckDE NAESSENSPaul MatthysEtienne Boesman

A1 Journal Article in CALCIFIED TISSUE INTERNATIONAL

Temperature dependence of 03-electron paramagnetic resonance signals in KCI.

Freddy CallensPeter MoensSabine Van DoorslaerFiliep MaesEtienne Boesman

A1 Journal Article in JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

Temperature dependence of O –3 electron paramagnetic resonance signals in KCl

Freddy CallensPeter MoensSabine Van DoorslaerFiliep MaesEtienne Boesman

A1 Journal Article in JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

1992

A fast method for fitting the G tensor of EPR powder spectra using the Levensberg-Marquardt algorithm

Peter MoensDidier NaessensFreddy CallensPaul MatthysFiliep MaesEtienne Boesman

A1 Journal Article in BULLETIN DES SOCIETES CHIMIQUES BELGES

A FAST METHOD FOR FITTING THE G-TENSOR OF EPR POWDER SPECTRA USING THE LEVENBERG-MARQUARDT ALGORITHM.

PDW MOENSDE NAESSENSFreddy CallensPaul MatthysFiliep MaesEtienne Boesman

A1 Journal Article in BULLETIN DES SOCIETES CHIMIQUES BELGES

Electron paramagnetic resonance of phosphate-derived radicals in KCI

Freddy CallensFiliep MaesPeter MoensPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS-CONDENSED MATTER

Electron paramagnetic resonance of phosphate-derived radicals in KCL.

Freddy CallensFiliep MaesPeter MoensPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS-CONDENSED MATTER

EPR of S2' in RbCl and RbBr

Freddy CallensFiliep MaesPaul MatthysPeter MoensEtienne Boesman

A2 Journal Article in Phys. Stat. Sol., 170, pp. 609-613, 2 figg

EPR of S2- in RbCI and RbBr

Filiep MaesPaul MatthysFreddy CallensPeter MoensEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS-CONDENSED MATTER

EPR of S2- in RbCl and RbBr.

Filiep MaesPaul MatthysFreddy CallensPeter MoensEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS-CONDENSED MATTER

EPR of triclinic Fe centers in KCl and RbCl

Freddy CallensFiliep MaesPaul MatthysPeter MoensEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1991

Bistability of thermal donors in germanium : assignment of far-infrared and electron-paramagnetic-resonance spectra

Paul ClauwsFreddy CallensFiliep MaesJoost VennikEtienne Boesman

A1 Journal Article in PHYSICAL REVIEW B

Electron paramagnetic resonance of a CO2- radical trapped in KBr

Peter MoensPaul MatthysFreddy CallensFiliep MaesEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

Electron paramagnetic resonance of a Co2~ radical trapped in KBr

Peter MoensPaul MatthysFreddy CallensFiliep MaesEtienne Boesman

A2 Journal Article in Phys. Stat. Sol., (b), 168, pp. 289-296, 5 figg

Electron paramagnetic resonance study of S− and S−3 in RbCl

Filiep MaesFreddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in RADIATION EFFECTS AND DEFECTS IN SOLIDS

Elektronen paramagnetische resonantie van enkele atomaire en moleculaire defecten in alkalihalogeniden, synthetische en biologische carbonaatbevattende apatieten

Freddy CallensEtienne Boesman

Etienne BoesmanFreddy CallensJ. HaesFiliep MaesPaul MatthysPeter Moens

A1 Journal Article in SOLID STATE COMMUNICATIONS

EPR of Se2- in NaBr

Filiep MaesPaul MatthysFreddy CallensEtienne Boesman

A1 Journal Article in SOLID STATE COMMUNICATIONS

EPR of See- in NaBr

Filiep MaesPaul MatthysFreddy CallensEtienne Boesman

The effect of carbonate content and drying temperature on the ESR-spectrum near G=2 of carbonated calciumapatites synthesized from aqueous-media

Freddy CallensRonald VerbeeckDidier NaessensPaul MatthysEtienne Boesman

A1 Journal Article in CALCIFIED TISSUE INTERNATIONAL

1990

Electron paramagnetic resonance of selenium defects in NaCl

Filiep MaesFreddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS

EPR of 77Se− in RbCl

Paul MatthysFiliep MaesFreddy CallensEtienne Boesman

A1 Journal Article in SOLID STATE COMMUNICATIONS

EPR of S2- in NaBr

Filiep MaesFreddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1989

33S splittings of some sulphur centres in KCl and NaCl

Freddy CallensFiliep MaesPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS-CONDENSED MATTER

Effect of carbonate content on the ESR spectrum near g = 2 of carbonated calciumapatites synthesized from aqueous media

Freddy CallensRonald VerbeeckDidier NaessensPaul MatthysEtienne Boesman

A1 Journal Article in CALCIFIED TISSUE INTERNATIONAL

Electron paramagnetic resonance of an O-3 centre in KBr

Filiep MaesFreddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

Electron paramagnetic resonance of thermal donors in germanium

Felix CardonPaul ClauwsPaul MatthysEtienne BoesmanJoost Vennik

A1 Journal Article in PHYSICAL REVIEW B

Paramagnetic resonance spectrum of CO-2 trapped in KCl

Freddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS

1988

A crystal-field model for O- and S- centres with σd symmetry in alkali halides

Paul MatthysFreddy CallensEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS C-SOLID STATE PHYSICS

An algorithm for the fitting of EPR Steady-state saturation curves

Paul MatthysFreddy CallensEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

EPR of a new O2- centre in KCl

Robert CallensFreddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

ESR of an O3- centre in KCl

Freddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in JOURNAL OF PHYSICS C-SOLID STATE PHYSICS

G-tensor analysis of sulfur centres in alkali halides

Paul MatthysFreddy CallensGuy VekemanEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1987

13C-hyperfine couplings of carbonate radicals in carbonated calciumapatites synthesized at high temperature

Freddy CallensRonald VerbeeckPaul MatthysL.C. MartensEtienne Boesman

A1 Journal Article in BULLETIN DES SOCIETES CHIMIQUES BELGES

Elektronen paramagnetische resonantie en spin rooster relaxatie van enkele atomaire en moleculaire defecten in vaste stoffen

Paul MatthysEtienne Boesman

The contribution of CO3 3- and CO2- to the ESR spectrum near g = 2 of powdered human tooth enamel

Freddy CallensRonald VerbeeckPaul MatthysL.C. MartensEtienne Boesman

A1 Journal Article in CALCIFIED TISSUE INTERNATIONAL

1986

Electron spin resonance absorption of centres with an orthorhombic g-tensor in polycrystalline substances

Freddy CallensRonald VerbeeckL. MartensPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI A-APPLIED RESEARCH

The ESR spectrum near G = 2 of carbonated calciumapatites synthesized at high temperature

Freddy CallensRonald VerbeeckPaul MatthysL.C. MartensEtienne BoesmanF.C.M. Driessens

A1 Journal Article in BULLETIN DES SOCIETES CHIMIQUES BELGES

1985

Apatite crystallite alignment in sound human tooth enamel studied by E.S.R.

L.C. MartensRonald VerbeeckFreddy CallensPaul MatthysEtienne BoesmanLuc Dermaut

A1 Journal Article in JOURNAL DE BIOLOGIE BUCCALE

ESR of isolated Mn2+ centers in alkali chlorides

A. De KeersgieterFreddy CallensM. BaroenPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1983

ESR of a new sulphur centre in KCl

Freddy CallensPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

ESR of new sulphur centres in NaCl

Paul MatthysFreddy CallensEtienne Boesman

A1 Journal Article in SOLID STATE COMMUNICATIONS

1981

Isotropic EPR spectra of vanadium in alkali chlorides

F. Van SteenMarc VanhaelstPaul MatthysEtienne BoesmanDirk Schoemaker

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1980

Spin-lattice relaxation of the O-2 centre in potassium and rubidium halides

Paul MatthysEddie DobbeleirB. VerbekeEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI A-APPLIED RESEARCH

1979

EPR spectra of NaCl:V2+ and KCl:V2+ above room temperature

C. BosschemMarc VanhaelstPaul MatthysEtienne Boesman

A1 Journal Article in SOLID STATE COMMUNICATIONS

1978

The phonon induced zero field splitting in vanadium doped alkali chlorides

Marc VanhaelstPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1977

Covalency effects in vanadium doped alkalihalides

Marc VanhaelstPaul MatthysEtienne Boesman

A1 Journal Article in SOLID STATE COMMUNICATIONS

EPR of iron centres in V2O5 single crystals

Marc VanhaelstPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

Spin-lattice relaxation of the S-2 centre in Kl

Paul MatthysMarc VanhaelstEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1976

A modified doping procedure for high O-2 concentrations in potassium and rubudium halides

Paul MatthysMarc VanhaelstEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI A-APPLIED RESEARCH

Spin-lattice relaxation of the O-2 centre in RbI and RbBr

Paul MatthysMarc VanhaelstEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

Temperature dependence of the EPR and optical spectra in V++- doped alkali halides

Marc VanhaelstPaul MatthysEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC RESEARCH

1973

Pulse saturation of the O2- EPR signal in some potassium halides

Etienne CornelisEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS

1969

Etude de la saturation par impulsions du signal de résonance paramagnétique du centre O-2 dans le KCl

Etienne CornelisEtienne Boesman

A2 Journal Article in COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES

1966

E.P.R.-studies of V2O5 single crystals : I. Defect centres in pure, non-stoichiometric vanadium pentoxide

Elie GillisEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI

1965

La formation de OH- par réduction des halogénures alcalins dopés au nitrite

Walter GomesEtienne Boesman

A1 Journal Article in COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES

Spin-lattice relaxation of tetravalent Pa231 in Cs2ZrCl6

L.J. RaubenheimerEtienne BoesmanH.J. Stapleton

A1 Journal Article in PHYSICAL REVIEW

1963

Paramagnetic radicals in nitrate doped potassium chloride

Dirk SchoemakerEtienne Boesman

A1 Journal Article in PHYSICA STATUS SOLIDI

1962

Paramagnetic resonance of the I2-center in KCl doped with KI

Etienne BoesmanDirk Schoemaker

A1 Journal Article in JOURNAL OF CHEMICAL PHYSICS

1961

Paramagnetische resonantie van NO2- en NO3-molekulen in alkali-halogeniden

Dirk SchoemakerEtienne Boesman

A2 Journal Article in BULLETIN DE LA SOCIETE BELGE DE PHYSIQUE

Résonance de la molécule NO2 dans les halogénures alcalins dopés au nitrate

Etienne BoesmanDirk Schoemaker

A1 Journal Article in COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES

Résonance paramagnétique de l'ion Fe+++ dans la kaolinite

Etienne BoesmanDirk Schoemaker

A1 Journal Article in COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES

Résonance paramagnétique de la molécule NO2 dans les halogénures alcalins dopés au nitrate

Dirk SchoemakerEtienne Boesman

A1 Journal Article in COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES

1958

Properties of copper doped rocksalt single crystals

Etienne BoesmanWilly Dekeyser

A1 Journal Article in PHYSICA

1956

Coloration of rocksalt by the Rexer method

Etienne BoesmanGermain RemautWilly Dekeyser

A1 Journal Article in JOURNAL OF CHEMICAL PHYSICS

ESR study of 1:^C enriched carbonated calciumapatites precipitaded from aqueous solutions. Calcif. Tissue Int. 52, (1993) 386-391.

Freddy CallensRonald VerbeeckDidier NAESSENSPaul MatthysEtienne Boesman