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This study empirically compares two often-utilized motivation theories in L2 studies: self-determination theory and the L2 motivational self system. It also examines the relationships among their motivational constructs, learners' intended L2 learning effort, and L2 proficiency. While a number of studies have utilized these models in order to examine second language learners' motivation, there has not been a thorough comparison of the two. Furthermore, while many studies have demonstrated the structural relationships between the motivational constructs of the two theories and the learner's self-reported amount of effort, fewer studies have examined their L2 achievement. The results of this study indicated that the constituents in the two theories are correlated as predicted. Furthermore, while internalized types of motivation in self-determination theory predicted intended learning effort, which then led to L2 proficiency, the strength of the ideal L2 self was much weaker than the L2 learning experience, unlike what is argued in the theory.

While there has been a surge of publication on L2 motivation studies, not much has been investigated regarding motivation to learn languages other than English. As a longitudinal interview study, the present study investigated two cases of Japanese university students focusing on the development of ideal L2/L3 self and ideal multilingual self. The results indicated that the development of ideal L2/L3 self was closely related to that of ideal professional self, and an elaborate ideal L2/L3 self helped learners persist and achieve high competence in the target languages. Furthermore, reading skills were considered especially important among the interviewees, which was not emphasised in contexts where learners have daily contact with the target languages. One of the interviewees was not negatively impacted by English and becoming multilingual, which seemed to be helped by a range of factors including ideal L2/L3 self, strong intrinsic motivation, and rich life experiences. The case demonstrated the possibility of developing an ideal multilingual self and becoming multilingual even in an era when English functions as a global language. Based on the results, theoretical and pedagogical implications that might be particularly helpful in foreign language contexts are discussed.

Thermodynamically metastable glasses that can contain metastable species are important functional materials. X-ray absorption near-edge structure (XANES) spectroscopy is an effective technique for determining the valence states of cations, especially for the doping element in phosphors. Herein, we first confirm the valence change of silver cations from monovalent to trivalent in aluminophosphate glasses by X-ray irradiation using a combination of Ag L3-edge XANES, electron spin resonance, and simulated XANES spectra based on first-principles calculations. The absorption edge of the experimental and simulated XANES spectra demonstrate the spectral features of Ag(III), confirming that AgO exists as Ag(I)Ag(III)O2. A part of Ag(I) changes to Ag(III) by X-ray irradiation, and the generation of Ag(III) is saturated after high irradiation doses, in good agreement with conventional radiophotoluminescence (RPL) behaviour. The structural modelling based on a combination of quantum beam analysis suggests that the local coordination of Ag cations is similar to that of Ag(III), which is confirmed by density functional theory calculations. This demonstration of Ag(III) in glass overturns the conventional understanding of the RPL mechanism of silver cations, redefining the science of silver-related materials. [ABSTRACT FROM AUTHOR]

While there has been a surge of publication on L2 motivation studies, not much has been investigated regarding motivation to learn languages other than English. As a longitudinal interview study, the present study investigated two cases of Japanese university students focusing on the development of ideal L2/L3 self and ideal multilingual self. The results indicated that the development of ideal L2/L3 self was closely related to that of ideal professional self, and an elaborate ideal L2/L3 self helped learners persist and achieve high competence in the target languages. Furthermore, reading skills were considered especially important among the interviewees, which was not emphasised in contexts where learners have daily contact with the target languages. One of the interviewees was not negatively impacted by English and becoming multilingual, which seemed to be helped by a range of factors including ideal L2/L3 self, strong intrinsic motivation, and rich life experiences. The case demonstrated the possibility of developing an ideal multilingual self and becoming multilingual even in an era when English functions as a global language. Based on the results, theoretical and pedagogical implications that might be particularly helpful in foreign language contexts are discussed. [ABSTRACT FROM AUTHOR]

Niobium‐doped (001)SrTiO3 (Nb:STO) single crystal, and epitaxial anatase (001)TiO2 and (001)SrO films, which were subsequently deposited on the Nb:STO by pulsed laser deposition, were electrochemically investigated with ionic liquid (IL) in a vacuum. After being prepared by cleaning and/or depositing the films, the electrode surfaces were characterized by observing the reflection of high‐energy electron diffraction, prior to the electrochemical measurements. Electrochemical impedance spectroscopy as well as cyclic voltammetry were then performed, and the electrical double‐layer (EDL) capacitance at their interfaces with the IL were successfully evaluated. The EDL capacitance of IL was several μF cm−2 for Nb:STO and gradually increased to over 10 μF cm−2 with an increase of the thickness of the deposited TiO2 films. In contrast, as SrO was being deposited, the EDL capacitance gradually decreased, approaching a constant value of about 1.4 μF cm−2, which was significantly smaller than those values achieved for TiO2 films and single‐crystal Nb:STO. For different oxide/IL interfaces, a possible correlation between their measured EDL capacitance and the ionicity of the oxides is discussed. [ABSTRACT FROM AUTHOR]