"Linards Skuja,Koichi Kajihara,Jurgis Grube,Hideo Hosono","Luminescence of non-bridging oxygen hole centers in crystalline SiO2",,"AIP Conf. Proc.",,"Vol. 1624",,"pp. 130-134",2014,
"Koichi Kajihara,Linards Skuja,Hideo Hosono","Diffusion and Reactions of Photoinduced Interstitial Oxygen Atoms in Amorphous SiO<sub>2</sub> Impregnated with <sup>18</sup>O-Labeled Interstitial Oxygen Molecules",,"J. Phys. Chem. C",,"Vol. 118",,"pp. 4282-4286",2014,
"Koichi Kajihara,Linards Skuja,Hideo Hosono","Inhomogeneous broadening and peak shift of the 7.6 eV optical absorption band of oxygen vacancies in SiO2",,"AIP Conf. Proc.",,"Vol. 1624",,"pp. 58-63",2014,
"Koichi Kajihara,Linards Skuja,Hideo Hosono","Formation and annihilation of intrinsic defects induced by electronic excitation in high-purity crystalline SiO<sub>2</sub>",,"J. Appl. Phys",,"Vol. 113","No. 143511","pp. 1 - 4",2013,
"Koichi Kajihara,Linards Skuja,Hideo Hosono","Chapter 5: Frenkel Defect Process in Silicon Dioxide",,"Radiation Synthesis of Materials and Compounds",,,,,2013,
"L. Skuja,K. Kajihara,M. Hirano,H. Hosono","Oxygen-excess-related point defects in glassy/amorphous SiO<sub>2</sub> and related materials",,"Nuclear Instruments and Methods in Physics Research B",,"Vol. 286",,"pp. 159-168",2012,
"Koichi Kajihara,Linards Skuja,Hideo Hosono","<sup>18</sup>O-labeled interstitial oxygen molecules as probes to study reactions involving oxygen-related species in amorphous SiO<sub>2</sub>",,"Journal of Non-Crystalline Solids",,"Vol. 358",,"pp. 3524-3530",2012,
"Koichi Kajihara,Taisuke Miura,Hayato Kamioka,Masahiro Hirano,Linards Skuja,Hideo Hosono","Exchange between interstitial oxygen molecules and network oxygen atoms in amorphous SiO<sub>2</sub> studied by <sup>18</sup>O isotope labeling and infrared photoluminescence spectroscopy",,"PHYSICAL REVIEW B",,"Vol. 83",,"p. 064202",2011,
"Koichi Kajihara,Masahiro Hirano,Linards Skuja,Hideo Hosono","Oxygen-excess amorphous SiO<sub>2</sub> with <sup>18</sup>O-labeled interstitial oxygen molecules",,"J. Non-Cryst. Sol",,"Vol. 357",,"pp. 1842-1845",2011,
"Linards Skuja,Koichi Kajihara,Masahiro Hirano,Hideo Hosono","Crucial dependence of excimer laser toughness of �gwet�hsilica on excess oxygen",,"J. Non-Cryst. Sol",,"Vol. 357",,"pp. 1875-1878",2011,
"Koichi Kajihara,Masahiro Hirano,Linards Skuja,Hideo Hosono","Frenkel defect process in amorphous silica",,"Proc. of SPIE",,"Vol. 8077",,"pp. 80770R-1-12",2011,
"L. Skuja,K. Kajihara,M. Hirano,A. Silins,H. Hosono","Effects of temperature on electron paramagnetic resonance of dangling oxygen bonds in amorphous silicon dioxide",,"IOP Conf. Series: Materials Science and Engineering",,"Vol. 23",,"p. 012016",2011,
"Linards Skuja,Koichi Kajihara,Masahiro Hirano,Hideo Hosono","Visible to vacuum-UV range optical absorption of oxygen dangling bonds in amorphous SiO<sub>2</sub>",,"Phys. Rev. B",,"Vol. 84",,"p. 205206",2011,
"Koichi Kajihara,Masahiro Hirano,Linards Skuja,Hideo Hosono","Frenkel defect process in amorphous silica",,"Proc. of SPIE",,,,"p. 8077, 80770R",2011,
"Koichi Kajihara,Masahiro Hirano,Linards Skuja,Hideo Hosono","Role of Interstitial Voids in Oxides on Formation and Stabilization of Reactive Radicals:? Interstitial HO2 Radicals in F2-Laser-Irradiated Amorphous SiO2",,"Journal of the American Chemical Society",,"Vol. 128","No. 16","pp. 5371-5374",2006,Mar.