User profiles for Asier Zubiaga

Asier Zubiaga

Researcher
Verified email at zhaw.ch
Cited by 1122

Zinc vacancy and oxygen interstitial in ZnO revealed by sequential annealing and electron irradiation

KE Knutsen, A Galeckas, A Zubiaga, F Tuomisto… - Physical Review B …, 2012 - APS
By combining results from positron annihilation and photoluminescence spectroscopy with
data from Hall effect measurements, the characteristic deep level emission centered at ∼ …

La actividad del jugador de fútbol en alta competición: análisis de variabilidad

AZ Zubiaga - 2006 - dialnet.unirioja.es
la presente investigación aborda la descripción y el análisis de la actividad del jugador de
fútbol de alto niel en la competición. Para ello se ha registrado durante un total de 194 …

Mechanisms of electrical isolation in -irradiated ZnO

A Zubiaga, F Tuomisto, VA Coleman, HH Tan… - Physical Review B …, 2008 - APS
We have applied positron annihilation spectroscopy combined with sheet resistance
measurements to study the electrical isolation of thin ZnO layers irradiated with 2 MeV O + ions at …

The assessment of pore connectivity in hierarchical zeolites using positron annihilation lifetime spectroscopy: instrumental and morphological aspects

A Zubiaga, R Warringham, M Boltz, D Cooke… - Physical Chemistry …, 2016 - pubs.rsc.org
Recent studies demonstrated the power of positron annihilation lifetime spectroscopy (PALS)
to characterise the connectivity and corresponding effectiveness of hierarchical pore …

Defect evolution and impurity migration in Na-implanted ZnO

…, L Vines, V Venkatachalapathy, A Zubiaga… - Physical Review B …, 2011 - APS
Secondary ion mass spectrometry (SIMS) and positron annihilation spectroscopy (PAS)
have been applied to study impurity migration and open volume defect evolution in Na + …

H passivation of Li on Zn-site in ZnO: Positron annihilation spectroscopy and secondary ion mass spectrometry

KM Johansen, A Zubiaga, F Tuomisto… - Physical Review B …, 2011 - APS
The interaction of hydrogen (H) with lithium (Li) and zinc vacancies (V Zn ) in hydrothermally
grown n -type zinc oxide (ZnO) has been investigated by positron annihilation spectroscopy …

Insights into the mechanism of zeolite detemplation by positron annihilation lifetime spectroscopy

R Warringham, L Gerchow, A Zubiaga… - The Journal of …, 2016 - ACS Publications
Templating approaches play a key role in expanding the structural diversity of many important
classes of porous materials. Understanding the interaction of the templating agent with the …

Changing vacancy balance in ZnO by tuning synthesis between zinc/oxygen lean conditions

V Venkatachalapathy, A Galeckas, A Zubiaga… - Journal of Applied …, 2010 - pubs.aip.org
The nature of intrinsic defects in ZnO films grown by metal organic vapor phase epitaxy was
studied by positron annihilation and photoluminescence spectroscopy techniques. The …

Variations of skin thermal diffusivity on different skin regions

D Bajrami, A Zubiaga, T Renggli… - Skin Research and …, 2024 - Wiley Online Library
Background and Objective Skin thermal diffusivity plays a crucial role in various applications,
including laser therapy and cryogenic skin cooling.This study investigates the correlation …

[PDF][PDF] Characterization of non-polar ZnO layers with positron annihilation spectroscopy

A Zubiaga, F Tuomisto, J Zuniga-Perez… - … Physica Polonica A, 2008 - bibliotekanauki.pl
We applied positron annihilation spectroscopy to study the effect of growth polarity on the
vacancy defects in ZnO grown by metal-organic vapor phase deposition on sapphire. Both c-…