Hautojärvi, P

name

• Hautojärvi, P

Authored works

• Angular correlation of positron annihilation radiation calculated from atomic hartree-fock orbitals
• Applications of positron annihilation
• Characterization of atomic defects by positron annihilation
• Correlated vacancy migration below 200 K in neutron-irradiated iron
• Electron densities in lattice defects of simple metals
• Formation of impurity atmospheres in CU-GE alloy studied by positron annihilation
• Hitaat positronit
• On interactions of dislocations and impurities in deformed iron and copper
• Positron annihilation in amorphous metals
• Positron annihilation in defective solids
• Positron annihilation in deformed copper
• Positron annihilation in phase separated and crystallized silicate glasses
• Positron annihilation studies of vacancy-type defects
• Positronium bubble in liquid helium
• Recovery of deformed iron studied by positrons

Works contributed to

• A positron study of precipitation phenomena in Al-Ge and Al-Si alloys
• A positron study of the Li[sup 2]O-SiO[sub 2] glass system
• Annealing of vacancies in electron irradiated silver
• Annealing of vacancies in electron-irradiated [alpha]-iron
• Clustering of atoms around the positron and positive ions in gaseous He, Ne and Ar
• Compositional dependence of positron annihilation in the Li[sup 2]O-SiO[sup2] glass system
• Correlation of orthopositronium annihilation with surface tension in liquids and liquid mixtures
• Crystallization and phase-separation in Li[sup 2]O-SiO[sup 2] glass studied by positron annihilation
• Crystallization and phase-separation of Li[sub 2]O-SiO[sub 2] glass
• Crystallization of Li[sup 2]O-SiO[sup 2] glass studied by positron annihilation
• Dependence of positron annihilation parameters on the microvoid size in metals
• Detection of Ga vacancies in electron irradiated GaAs by positrons
• Effect of charge-transfer complex formation on positronium and iodine reaction
• Experimental study of positronium bubble in helium fluids
• Localized state of positron in argon
• Microscopic gas-liquid phase transition around the positron in helium gases
• Modernin fysiikan laskuharjoitukset
• On the calculation of density profiles for valence electrons in metal imperfections
• Pick-off quenching of ortho-positronium in two-component liquid mixtures
• Points defects in amorphous Fe[sub 80] B[sub20] and Fe[sub 40] Ni[sub 40] P[sub 14] B[sub 6] studied by positron lifetime and magnetic after-effect
• Positron annihilation and cluster formation in nitrogen fluid
• Positron as a probe for the degree of crystallization in glass
• Positron lifetimes in liquid helium-4 and helium-3
• Positron study of radiation damage in neutron-irradiated iron-carbon system
• Pressure dependence of orthopositronium lifetime and bubble parameters in liquid helium
• Radiation damage studies with positron annihilation techniques
• Residual resistivity of vacancies in simple metals
• Screening of light impurities in simple metals
• The effect of microvoid size on positron annihilation characteristics and residual resistivity in metals
• The effect of plastic deformation on positron lifetime spectra in alkali halides
• Trapping of positrons at vacancies in magnesium
• Vacancies and carbon impurities in [alpha]-iron neutron irradiation
• Vacancy clusters in deformed CuAs alloy
• Vacancy recovery and vacancy-hydrogen interaction in niobium and tantalum studied by positrons
• Vacancy recovery in irradiated niobium
• Vacancy-carbon interaction in iron

Works about Hautojärvi, P

• Kutsu kuulemaan sitä julkista esitelmää, jonka Teknillisen korkeakoulun fysiikan professori Pekka Juhani Hautojärvi pitää virkaanastujaisissaan maaliskuun 17. päivänä 1981