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Social research methodologists have postulated that the transparency of survey procedures and data processing is mandatory for assessing the Total Survey Error. Recent analyses of data from cross-national surveys have demonstrated an increase in the quality of documentation reports over time and significant differences in documentation quality between the projects. This research note replicates previous results with an extended set of documentation-related quality indicators describing the degree of completeness of information at the consecutive steps of the survey cycle. It also extends earlier findings by indicating no significant relationship between the quality of the survey documentation and the quality of the survey itself. We analysed a meta-data set of survey characteristics, studying all available up-to-date methodological reports of 1,145 national surveys from four large-scale multi-wave projects: the European Quality of Life Survey (2003-2016), European Social Survey (2002-2018), European Values Study (1981-2017), and International Social Survey Programme (1985-2018).

The Panama Papers disclosures in April 2016 revealed information about tax avoidance and fraud among political elites and the wealthy on a global scale. But did the disclosures affect relevant political attitudes and behavior, including perceptions of corruption, redistributive preferences, and voting intentions? We leverage nationally representative surveys that were in the field at the time in two heavily impacted countries, France and Spain, and treat the disclosures as a natural experiment, comparing respondents questioned just before and just after the disclosures. Our design highlights the difficulty, at times, of interpreting natural experiments, given the potentially compounded treatments that arise as events unfold over time, and the common inability to properly determine views prior to the treatment. That said, the analysis indicates that the disclosures had limited effects on the domains most likely affected by such a scandal, consistent with them being interpreted based on existing beliefs and identities. Our results thus contradict prior findings which suggest that the Panama Papers had substantial effects on redistributive attitudes, and shed further light on voters' learning and updating around uncertain, yet emotionally laden, political facts.

Das GESIS-Panel bietet eine wahrscheinlichkeitsbasierte Mixed-Mode-Access-Panel-Infrastruktur am GESIS Leibniz-Institut für Sozialwissenschaften in Mannheim. Das Projekt bietet der sozialwissenschaftlichen Community die Möglichkeit, Erhebungsdaten aus einer repräsentativen Stichprobe der deutschen Bevölkerung zu erheben. Die eingereichten Studienvorschläge werden auf der Grundlage eines wissenschaftlichen Begutachtungsverfahrens bewertet.

Die Rekrutierung der Panelmitglieder erfolgte zunächst im Jahr 2013 in persönlichen Interviews, gefolgt von einer selbst durchgeführten Profilbefragung. Der Modus wurde von den Teilnehmern gewählt. Alle Teilnehmer der Profilbefragung werden als Mitglieder des Panels betrachtet und zu den alle zwei Monate stattfindenden regelmäßigen Wellen eingeladen. Die Startkohorte umfasste Anfang 2014 4900 Panelisten.

Um den Panelabrieb zu kompensieren, wurde im Jahr 2016 eine Auffrischungsstichprobe mit Hilfe des German General Social Survey (ALLBUS) gezogen. Die erste Kohorte umfasst deutschsprachige Befragte im Alter zwischen 18 und 70 Jahren (zum Zeitpunkt der Einstellung) mit ständigem Wohnsitz in Deutschland, während die zweite Kohorte Befragte ab 18 Jahren ohne Obergrenze umfasst.

Im Jahr 2018 wurde eine dritte Rekrutierungsstichprobe gezogen, die mit der Welle ge integriert wurde. Auch die dritte Kohorte umfasst Befragte ab 18 Jahren ohne Obergrenze.
Rückwirkend wurden die Fälle bis einschließlich Welle fc (dritte Welle aus 2018) in den Daten ergänzt. Nähere Informationen finden Sie im Data Manual (ZA5664-65_sd_data-manual) und dem entsprechenden Rekrutierungsbericht (ZA5664-65_mb_recruitment2018).

Die Stichproben des German General Social Survey (ALLBUS) basieren auf einer disproportionalen Stichprobe von Befragten aus West- und Ostdeutschland. Ein Designgewicht, das die Integration der beiden Rekrutierungskohorten ermöglicht, ist im Datensatz enthalten. Nähere Einzelheiten entnehmen Sie bitte den Methodenberichten der Einstellungsverfahren und dem GESIS-Panel-Referenzpapier (Bosnjak et al., 2017).

Im März 2020 wurde eine Sondererhebung des GESIS-Panels zum Ausbruch des Coronavirus SARS-CoV-2 bzw. COVID-19 in Deutschland durchgeführt.

Im Jahr 2021 wurde die vierte Rekrutierungsstichprobe mit Hilfe des German International Social Survey Programme (ISSP) gezogen, die mit der Welle ja integriert wurde. Die vierte Kohorte umfasst ebenfalls Befragte ab 18 Jahren ohne Obergrenze. Nähere Informationen finden Sie im entsprechenden Rekrutierungsbericht (ZA5664-65_r_i12.pdf).

GESIS Panel Demographic Dataset
Ab Version 43-0-0 ist der demografische Längsschnittdatensatz Teil des Veröffentlichungspaketes. Bei dem Datensatz handelt es sich um einen längsschnittlichen Datensatz (long format), mit harmonisierten Messungen zu demografischen Variablen: Befragten ID; Erhebungszeitpunkt; entsprechende Welle; Erhebungsjahr; Rekrutierungskohorte; Geschlecht des Befragten; Geburtsjahr; höchster Bildungsabschluss; persönliches Nettoeinkommen; Haushaltsnettoeinkommen; Familienstand; AAPOR disposition code; Einladungsmodus; Teilnahmemodus.

Das GESIS-Panel bietet eine wahrscheinlichkeitsbasierte Mixed-Mode-Access-Panel-Infrastruktur am GESIS Leibniz-Institut für Sozialwissenschaften in Mannheim. Das Projekt bietet der sozialwissenschaftlichen Community die Möglichkeit, Erhebungsdaten aus einer repräsentativen Stichprobe der deutschen Bevölkerung zu erheben. Die eingereichten Studienvorschläge werden auf der Grundlage eines wissenschaftlichen Begutachtungsverfahrens bewertet.

Die Rekrutierung der Panelmitglieder erfolgte zunächst im Jahr 2013 in persönlichen Interviews, gefolgt von einer selbst durchgeführten Profilbefragung. Der Modus wurde von den Teilnehmern gewählt. Alle Teilnehmer der Profilbefragung werden als Mitglieder des Panels betrachtet und zu den alle zwei Monate stattfindenden regelmäßigen Wellen eingeladen. Die Startkohorte umfasste Anfang 2014 4900 Panelisten.

Um den Panelabrieb zu kompensieren, wurde im Jahr 2016 eine Auffrischungsstichprobe mit Hilfe des German General Social Survey (ALLBUS) gezogen. Die erste Kohorte umfasst deutschsprachige Befragte im Alter zwischen 18 und 70 Jahren (zum Zeitpunkt der Einstellung) mit ständigem Wohnsitz in Deutschland, während die zweite Kohorte Befragte ab 18 Jahren ohne Obergrenze umfasst.

Im Jahr 2018 wurde eine dritte Rekrutierungsstichprobe gezogen, die mit der Welle ge integriert wurde. Auch die dritte Kohorte umfasst Befragte ab 18 Jahren ohne Obergrenze.
Rückwirkend wurden die Fälle bis einschließlich Welle fc (dritte Welle aus 2018) in den Daten ergänzt. Nähere Informationen finden Sie im Data Manual (ZA5664-65_sd_data-manual) und dem entsprechenden Rekrutierungsbericht (ZA5664-65_mb_recruitment2018).

Die Stichproben des German General Social Survey (ALLBUS) basieren auf einer disproportionalen Stichprobe von Befragten aus West- und Ostdeutschland. Ein Designgewicht, das die Integration der beiden Rekrutierungskohorten ermöglicht, ist im Datensatz enthalten. Nähere Einzelheiten entnehmen Sie bitte den Methodenberichten der Einstellungsverfahren und dem GESIS-Panel-Referenzpapier (Bosnjak et al., 2017).

Im März 2020 wurde eine Sondererhebung des GESIS-Panels zum Ausbruch des Coronavirus SARS-CoV-2 bzw. COVID-19 in Deutschland durchgeführt.

Im Jahr 2021 wurde die vierte Rekrutierungsstichprobe mit Hilfe des German International Social Survey Programme (ISSP) gezogen, die mit der Welle ja integriert wurde. Die vierte Kohorte umfasst ebenfalls Befragte ab 18 Jahren ohne Obergrenze. Nähere Informationen finden Sie im entsprechenden Rekrutierungsbericht (ZA5664-65_r_i12.pdf).

GESIS Panel Demographic Dataset
Ab Version 43-0-0 ist der demografische Längsschnittdatensatz Teil des Veröffentlichungspaketes. Bei dem Datensatz handelt es sich um einen längsschnittlichen Datensatz (long format), mit harmonisierten Messungen zu demografischen Variablen: Befragten ID; Erhebungszeitpunkt; entsprechende Welle; Erhebungsjahr; Rekrutierungskohorte; Geschlecht des Befragten; Geburtsjahr; Geburtsmonat; höchster Bildungsabschluss; persönliches Nettoeinkommen; Haushaltsnettoeinkommen; Familienstand; AAPOR disposition code; Einladungsmodus; Teilnahmemodus.

The research has been supported by the European Regional Development Fund project "Competence Centre of Mechanical Engineering", contract No.1.2.1.1/18/A/008 signed between the Competence Centre of Mechanical Engineering and the Central Finance and Contracting Agency, Research No. 3.1 "Additional research and integra tion of the technology of hydraulic piston, aiming to develop and demonstrate economically efficient compressed natural gas smart commercial vehicle fuelling appliance". Our special gratitude to Gaspard Bouteau, PhD, Research Engineer, who conducted research in Engie Lab CRIGEN. Scientific co-authorship of the Laboratory of Materials for Energy Harvesting and Storage, ISSP UL has been supported by the Ministry of Economics of the Republic of Latvia, project LAGAS No VPP-EMINFRA- 2018/1-0003. ; Natural gas, including biomethane, is a sustainable alternative fuel. Widening compressed natural gas applications by now is restricted by weakly developed infrastructure. Hygen Ltd. works on "hydraulic piston"technology for natural gas and biomethane compressing, storing, delivering and discharging the storage cylinders by means of an innovative hydraulic boosting technology. Designing of the Vehicle Fuelling Appliance (VFA) demands to take into account thermodynamics and gas dynamics properties at fluid compression and motion. The present paper deals with theoretical characteristics and their link to test measurements regarding a particular VFA HYGEN+ Alpha prototype manufactured by Hygen Ltd. ; Izglītības un zinātnes ministrija VPP-EMINFRA- 2018/1-0003; European Regional Development Fund 3.1,1.2.1.1/18/A/008; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²

Financial support provided by Scientific Research Project for Students and Young Researchers Nr. SJZ/2017/1 realized at the Institute of Solid State Physics, University of Latvia is greatly acknowledged. The authors are grateful to Liga Bikse for XRD measurements. ; In this study, we demonstrated for the first time the growth of ZnO nanowires (NWs) decorated with highly crystalline few-layer PbI2 and fabricated two-terminal single-nanowire photodetector devices to investigate the photoelectric properties of the hybrid nanostructures. We developed a novel two-step growth process for uniform crystalline PbI2 nanosheets via reactive magnetron deposition of a lead oxide film followed by subsequent iodination to PbI2 on a ZnO NW substrate, and we compared as-grown hybrid nanostructures with ones prepared via thermal evaporation method. ZnO–PbI2 NWs were characterized by scanning and transmission electron microscopy, X-ray diffraction analysis and photoluminescence measurements. By fabricating two-terminal single-nanowire photodetectors of the as-grown ZnO–PbI2 nanostructures, we showed that they exhibit reduced dark current and decreased photoresponse time in comparison to pure ZnO NWs and have responsivity up to 0.6 A/W. Ab initio calculations of the electronic structure of both PbI2 nanosheets and ZnO NWs have been performed, and show potential for photoelectrocatalytic hydrogen production. The obtained results show the benefits of combining layered van der Waals materials with semiconducting NWs to create novel nanostructures with enhanced properties for applications in optoelectronics or X-ray detectors. ; ISSP UL SJZ/2017/1; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²

Financial support provided by ERDF 1.1.1.1 activity project Nr. 1.1.1.1/16/A/046 "Application assessment of novel organic materials by prototyping of photonic devices" as well as Scientific Research Project for Students and Young Researchers Nr. SJZ2016/20 realized at the Institute of Solid State Physics, University of Latvia is greatly acknowledged. ; Scanning Kelvin probe is a method for material surface studies. It is used to determine the work function of metals. In the case of organic semiconductors, the measured surface potential is considered to be the Fermi level of the material which has been shown in some cases. But in most papers, the surface potential dependence on the metal electrode or film thickness was observed. Material properties and their influence on the measured surface potential and its relation to the Fermi level previously have not been systematically studied. In this work, the surface potential was measured for different materials—metal, organic dielectric material, and organic semiconductors. In most of the cases, the obtained surface potential was dependent on the metal electrode work function. This dependence decreased with the increase in electrical conductivity of the material. Several materials were chosen for studies where sample thickness was varied. Results showed that for most of the studied semiconductors the sample thickness of around 1.5–2 µm was required to obtain surface potential values which do not depend on the electrode work function. ; ERDF 1.1.1.1 activity project Nr. 1.1.1.1/16/A/046; ISSP UL Scientific Research Project for Students and Young Researchers No SJZ2016/20; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²

This work has been performed within the framework of the EUROfusion Enabling Research project: ENR-MFE19.ISSP-UL-02 "Advanced experimental and theoretical analysis of defect evolution and structural disordering in optical and dielectric materials for fusion application". The views and opinions expressed herein do not necessarily reflect those of the European Commission. Research of A.L, E.F.,, V.S and E.S has been partly supported by the Estonian Research Council grant (PUT PRG619); has been also carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014–2018 and 2019–2020 under grant agreement No 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission. ; MgAl2O4 spinel is important optical material for harsh radiation environment and other important applications. The kinetics of thermal annealing of the basic electron (F, F+) and hole (V) centers in stoichiometric MgAl2O4 spinel irradiated by fast neutrons and protons is analyzed in terms of diffusion-controlled bimolecular reactions. Properties of MgAl2O4 single crystals and optical polycrystalline ceramics are compared. It is demonstrated that both transparent ceramics and single crystals, as well as different types of irradiation show qualitatively similar kinetics, but the effective migration energy Ea and pre-exponent D0 are strongly correlated. Such correlation is discussed in terms of the so-called Meyer-Neldel rule known in chemical kinetics of condensed matter. The results for the irradiated spinel are compared with those for sapphire, MgO and other radiation-resistant materials. ; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²

The calculations were performed on the Paul Scherrer Institute cluster Merlin4, HPC resources of the Swiss National Supercomputing Centre in Lugano (project ID s626) as well as at the Latvian SuperCluster (LASC). Authors are greatly indebted to S. Ali, D. Gryaznov, R.A. Evarestov, M. Isupova, A. Kalinko, V. Kashcheyevs, V. Pankratov, S. Piskunov, A. I. Popov, J. Purans, F. Rocca, L. Shirmane, P. Zˇguns, and Yu. F. Zhukovskii for many stimulating discussions. Financial support provided by project No. 1.1.1.2/VIAA/l/16/147 (1.1.1.2/16/I/001) under the activity "Post-doctoral research aid" realized at the Institute of Solid State Physics, University of Latvia is greatly acknowledged. ; The crystal lattice of cubic scandium fluorine (ScF3) exhibits negative thermal expansion (NTE) over a wide range of temperatures from 10 K to 1100 K. Here the NTE effect in ScF3 is studied using atomistic simulations based on empirical and ab initio molecular dynamics (AIMD) in the isobaric-isothermal (NpT) ensemble. The temperature dependence of the average lattice constant, the Sc-F-Sc bond angle distribution and the radial distribution functions were obtained. Crossover from the NTE to positive thermal expansion occurring at about 1100 K is reproduced by AIMD simulations in agreement with the known experiment data. At the same time, empirical MD model fails to reproduce the NTE behaviour and suggests an expansion of the ScF3 lattice with increasing temperature. However, both MD models predict strong anisotropy of fluorine atom thermal vibration amplitude, being larger in the direction orthogonal to the Sc-F-Sc atom chain. ; ISSP UL project No. 1.1.1.2/VIAA/l/16/147 (1.1.1.2/16/I/001); Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²

IN ENGLISH: In Western European countries, studies on the relationship between class position and political outlooks so far have a limited understanding of the relevance of class analysis, while in semiperipheral countries, like Croatia, research on class-related mechanisms and political behavior is modest, with a clear deficit of empirical research. The main goal of class analysis is to have the potential to explain various life outcomes primarily through explaining and exploring relationships between class position and life chances. In this article, we have employed neo-Weberian class analysis with the purpose to explore the relationship between class position and political behavior. In the article we use the concept of political behavior as a broader term that consists of individuals' interest in politics, political efficacy, and political participation (voter turnout). We have used the data from the International Social Survey Program module Role of Government V from 2016. Analysis has shown that in Croatia, class membership is a predictor of interest in politics and political efficacy, i.e., that the members of a higher class show greater interest in politics and assess that they have a better understanding of politics. Class per se does not have a direct effect on voter turnout, but it is mediated through political efficacy and interest in politics since voting is mostly under the influence of personal interest in politics. --- IN CROATIAN: U zapadnoeuropskim zemljama istraživanja odnosa između klasne pozicije i političkih stavova do sada su pokazivala ograničeno shvaćanje važnosti klasne analize, a u zemljama polu-periferije, poput Hrvatske, istraživanja mehanizama povezanih s klasom i političkog ponašanja su skromna, s jasnim nedostatkom empirijskih istraživanja. Glavni cilj klasne analize je stvoriti mogućnost objašnjenja različitih životnih ishoda, prvenstveno kroz objašnjavanje i istraživanje odnosa između klasne pozicije i životnih šansi. U ovom smo članku koristili neoveberijansku klasnu analizu kako bismo istražili odnos između klasne pozicije i političkog ponašanja. U članku koristimo koncept političkog ponašanja kao širi termin koji se sastoji od zainteresiranosti pojedinaca za politiku, njihove političke efikasnosti te političke participacije (izlaska na izbore). Koristili smo podatke iz programa ISSP (International Social Survey Program) i to modula Uloga vlasti V iz 2016. godine. Analiza je pokazala da je u Hrvatskoj klasna pripadnost prediktor zainteresiranosti za politiku i političke efikasnosti, odnosno da pripadnici više klase pokazuju veće zanimanje za politiku i procjenjuju da se bolje razumiju u politiku. Klasa po sebi nema izravan učinak na izlazak na izbore, ali on je posredovan političkom efikasnošću i zanimanjem za politiku, obzirom da je glasovanje većinom pod utjecajem osobne zainteresiranosti za politiku.

The Swiss StudentLife Study (SSL Study) is a longitudinal social network data collection conducted in three undergraduate student cohorts (N1 = 226, N2 = 261, N3 = 660) in 2016−2019. The main goal of the study was to understand the emergence of informal student communities and their effects on different individual outcomes, such as well-being, motivation, and academic success. To this end, multiple dimensions of social ties were assessed, combining computer-based surveys, social sensors, social media data, and field experiments. The dynamics of these social networks were measured on various time scales. In this paper, we present the design and data collection strategy of the SSL Study. We discuss practical challenges and solutions related to the data collection in four areas that were key to the success of our project: study design, research ethics, communication, and population definition.

In this work we present a comprehensive study of the domain structure of a nickel oxide single crystal grown by floating zone melting and suggest a correlation between point defects and the observed domain structure. The properties and structure of domains dictate the dynamics of resistive switching, water splitting and gas sensing, to name but a few. Investigating the correlation between point defects and domain structure can provide a deeper understanding of their formation and structure, which potentially allows one to tailor domain structure and the dynamics of the aforementioned applications. A range of inhomogeneities are observed by diffraction and microscopy techniques. X-ray and low-energy electron diffraction reveal domains on the submicron- and nanometer-scales, respectively. In turn, these domains are visualised by atomic force and scanning tunneling microscopy (STM), respectively. A comprehensive transmission electron microscopy (TEM) study reveals inhomogeneities ranging from domains of varying size, misorientation of domains, variation of the lattice constant and bending of lattice planes. X-ray photoelectron spectroscopy and electron energy-loss spectroscopy indicate the crystal is Ni deficient. Density functional theory calculations-considering the spatial and electronic disturbance induced by the favourable nickel vacancy-reveal a nanoscale distortion comparable to STM and TEM observations. The different inhomogeneities are understood in terms of the structural relaxation induced by ordering of nickel vacancies, which is predicted to be favourable. ; Funding Agencies|Russian Science FoundationRussian Science Foundation (RSF) [18-12-00492]; RFBRRussian Foundation for Basic Research (RFBR) [19-29-03021]; Research Facility Center at the ISSP of RAS; Erasmus Plus mobility Grants [2016-1-IE02-KA107-000479, 2017-1-IE02-KA107-000538 2018-1-IE02-KA107-000589]; Ministry of Science and Higher Education of the Russian Federation [K2-2019-001, 211]; Swedish Research Council (VR)Swedish Research Council [2019-05600]; Swedish Government Strategic Research Areas in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [2009-00971]; Irish Research Council Laureate AwardIrish Research Council for Science, Engineering and Technology [IRCLA/2019/171]

Financial support provided by Scientific Research Project for Students and Young Researchers Nr. SJZ2015/20 realized at the Institute of Solid State Physics, University of Latvia, is greatly acknowledged. This work has been supported by the Latvian State Research Program on Multifunctional Materials IMIS2. Jennifer Mann from Physical Electronics is greatly acknowledged for providing UPS data. ; Ultraviolet photoelectron spectroscopy (UPS) is commonly used method for energy level determination using planar heterojunction samples in either metal/organic or organic/organic systems. Only some attempts have been made in the study of bulk heterojunction systems. Photoemission yield spectroscopy (PYS) could be applied as a method for organic compound–organic compound interface studies in bulk heterojunction samples. Contrary to the UPS, PYS method does not require ultra-high vacuum, which simplifies experiment setup. Also, scanning depth of PYS is in the range of tens of nanometers, which allows studying deeper layers of the sample instead of only surface layer. In this work, poly(3-hexylthiophene-2,5-diyl) (P3HT) and [6,6]-phenyl C61 butyric acid methyl ester (PCBM) bulk heterojunction thin films were studied as a model system. A mass ratio between P3HT and PCBM in the system was varied from 1:0 to 1:50. Ionization energy dependence on this ratio was studied using two methods: UPS and PYS. To study the influence of the sample morphology on the PYS measurements and obtainable results, phase-separated and homogeneously distributed samples were prepared for analyses. P3HT ionization energy shift of 0.40 eV was observed in the samples made from chloroform solution. Experiments showed the need for a low degree of phase separation between P3HT and PCBM to observe P3HT ionization energy shift using PYS. On the contrary, no ionization energy shift of P3HT was observed in the UPS measurements for the same systems. ; Latvian State Research Program IMIS2; ISSP UL Scientific Research Project for Students and Young Researchers No. SJZ2015/20; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²

This work was supported by ERANET MYND. Also, financial support provided by Scientific Research Project for Students and Young Researchers Nr. SJZ/2017/2 realized at the Institute of Solid State Physics, University of Latvia is greatly acknowledged. The authors express our gratitude to R.I. Mashkovtsev for help in ESR signal interpretation. The authors are appreciative to T.I. Dyuzheva, L.M. Lityagina, N.A. Bendeliani for stishovite single crystals and to K. Hubner and H.-J. Fitting for stishovite powder of Barringer Meteor Crater. ; An electron spin resonance (ESR) and photoluminescence signal is observed in the as grown single crystal of stishovite indicating the presence of defects in the non‐irradiated sample. The photoluminescence of the as received stishovite single crystals exhibits two main bands – a blue at 3 eV and an UV at 4.75 eV. Luminescence is excited in the range of optical transparency of stishovite (below 8.75 eV) and, therefore, is ascribed to defects. A wide range of decay kinetics under a pulsed excitation is observed. For the blue band besides the exponential decay with a time constant of about 18 μs an additional ms component is revealed. For the UV band besides the fast component with a time constant of 1–3 ns a component with a decay in tens μs is obtained. The main components (18 μs and 1–3 ns) possess a typical intra‐center transition intensity thermal quenching. The effect of the additional slow component is related to the presence of OH groups and/or carbon molecular defects modifying the luminescence center. The additional slow components exhibit wave‐like thermal dependences. Photo‐thermally stimulated creation–destruction of the complex comprising host defect and interstitial modifiers explains the slow luminescence wave‐like thermal dependences. ; ERANET MYND; ISSP UL Nr. SJZ/2017/2 ; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²

The authors would like to thank P. Yudin for valuable discussions, N. Nepomniashchaia for VASE studies, and S. Cichon for XPS analysis. The authors acknowledge support from the Czech Science Foundation (Grant No. 19-09671S), the European Structural and Investment Funds and the Ministry of Education, Youth and Sports of the Czech Republic through Programme ''Research, Development and Education'' (Project No. SOLID21 CZ.02.1.01/0.0/0.0/16-019/0000760), and ERA NET project Sun2Chem (E. K. and L. R.). Calculations have been done on the LASC Cluster in the ISSP UL. ; Single-crystal epitaxial films of technologically important and scientifically intriguing multifunctional ABO3 perovskite-type metal oxides are essential for advanced applications and understanding of these materials. In such films, a film-substrate misfit strain enables unprecedented crystal phases and unique properties that are not available in their bulk counterparts. However, the prerequisite growth of strained epitaxial films is fundamentally restricted by misfit relaxation. Here we demonstrate that introduction of a small oxygen deficiency concurrently stabilizes epitaxy and increases lattice strain in thin films of archetypal perovskite oxide SrTiO3. By combining experimental and theoretical methods, we found that lattice distortions around oxygen vacancies lead to anisotropic local stresses, which interact with the misfit strain in epitaxial films. Consequently, specific crystallographic alignments of the stresses are energetically favorable and can facilitate epitaxial growth of strained films. Because anisotropic oxygen-vacancy stresses are inherent to perovskite-type and many other oxides, we anticipate that the disclosed phenomenon of epitaxial stabilization by oxygen vacancies is relevant for a very broad range of functional oxides.This work is licensed under CC BY, CC BY-NC licenses. ; Czech Science Foundation (Grant No. 19-09671S); European Structural and Investment Funds and the Ministry of Education, Youth and Sports of the Czech Republic through Programme ''Research, Development and Education'' (Project No. SOLID21 CZ.02.1.01/0.0/0.0/16-019/0000760), and ERA NET project Sun2Chem; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union's Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART².