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Miha Gunde, 2014, diplomsko delo

Opis: Poly(3-hexylthiophene) (P3HT) is an organic semiconductor material that is widely studied in the photovoltaics and transistor fields of research. The polymer exhibits a relatively high charge carrier mobility when the molecules are ordered in a crystalline way. In this case the material exhibits a fibril-like morphology, which is usually studied by atomic force microscopy (AFM). Previous studies show that blending P3HT with graphene can further improve the charge carrier transport properties of the film. In this experiment, the scanning electron microscope (SEM) has been chosen, due to its practical aspects such as speed of operation and ease of use. Three sets of samples have been analyzed, containing films made of P3HT+graphene blends at different concentrations. The aims of the experiment are: i) to find good conditions for the observation of the morphology features of the film ii) to perform a morphological analysis of the surface of three sets of samples containing both pure P3HT, and P3HT+graphene blend, and possibly to highlight correlation between morpholgy and the charge transport properties. Surface analysis is done by detecting the secondary electron (SE) emission, which is sensitive to topographical features of the surface. Good observation conditions were established by coating the specimen with a thin layer of conductive coating, using a high energy beam (30 keV), and tilting the sample to an angle (30 ◦ ). In two out of three of the analyzed pure P3HT films, the presence of fibrilles indicated a possibly good charge mobility, which has been confirmed by electrical measurements using time-of-flight photoconductivity method (TOF). The presence of graphene has only slightly modified morphology of the film. Features of graphene flakes, which lie flat in the film, have been observed such as flake edges and folds. The flakes are homogeneously dispersed in the film without forming any connected network. TOF measurements have shown an increase in mobility of the charge carriers in the P3HT+graphene film.
Najdeno v: ključnih besedah
Ključne besede: scanning electron microscope, organic semiconductor thin film, P3HT, graphene, morphology
Objavljeno: 01.12.2016; Ogledov: 1366; Prenosov: 16
.pdf Polno besedilo (30,93 MB)

Countability and the structure of numeral-based QPs
Penka Stateva, Artur Stepanov, vabljeno predavanje na konferenci brez natisa

Najdeno v: ključnih besedah
Povzetek najdenega: ...atomicity, numeral, agreement, dual number, classifier, russian, morphology, syntax, semantics...
Ključne besede: countability, atomicity, numeral, agreement, dual number, classifier, russian, morphology, syntax, semantics
Objavljeno: 07.02.2018; Ogledov: 130; Prenosov: 0
.pdf Polno besedilo (71,77 KB)

The emergence of post-cyclic prosody in loanword integration - Toneless Latinate adjectives in Serbo-Croatian
Marko Simonović, 2012, objavljeni znanstveni prispevek na konferenci

Opis: A case of exceptional assignment of prosody to loanwords is considered. In SerboCroatian, where in loanwords the original position of stress is generally preserved in some way, a small class of Latinate adjectives (e.g., element ‚ arna ¯ ‘elementary’ and person ‚ alna ¯ ‘personal’) become toneless and they display the postcyclic initial falling accent. An account of these data is proposed which combines a new approach to postcyclic prosody, which is shown to go hand in hand with syntactically opaque structures, and a new model of loanword integration, which views the loanword trajectory as lexicalisation. As a result, an enriched theory of both domains and their interaction arises to account for the data and shed some additional light on the position of loanwords in the architecture of the grammar/lexicon.
Najdeno v: ključnih besedah
Ključne besede: loanword integration, postcyclic prosody, prosody/syntax interface, morphology, lexicon
Objavljeno: 07.02.2018; Ogledov: 201; Prenosov: 0
.pdf Polno besedilo (195,08 KB)

Lexicon immigration service - Prolegomena to a theory of loanword integration
Marko Simonović, 2015, doktorska disertacija

Opis: The goal of this dissertation is to empower the field of formal loanword research by (a) incorporating insights from sociolinguistic research into formal models and (b) highlighting morphological (and morphosyntactic) integration in the field which is presently dominated by data from phonological borrowing. The emergent loanword model enables defining the interface of source and target languages. It is applicable to data from phonological, morphological and morphosyntactic integration, which are viewed as entangled aspects of a single broad process: lexicalisation, viewed as the creation of a new lexical entry based on a foreign surface form. This aspect of the model implies a certain telicity, not unlike the existing adaptation models (Chapter 2). However, while these latter models see loanword processes as moving towards becoming indistinguishable from native items, the integration model will have as its endpoint the creation of a fully functional RL lexical entry (sometimes very distinguishably non-native). Since loanwords display processes which make reference to various levels (individual and communal, synchronic and diachronic etc.), the model is comprised of two different apparatuses able to capture different aspects of loanword behaviour without losing sight of what they exclude. The more diachronic apparatus of the model will concentrate on the ways in which properties of the initial code switch are preserved in the process of integration into the lexicon (shared by the language community), which involves the creation of paradigms, the assignment of morphosyntactic features, etc. We will present strong evidence that borrowing is to be seen as lexicalisation based on a surface form, guided by a force which militates against the introduction of new versions of the incoming form – Lexical Conservatism. The more synchronic apparatus will be more suitable for viewing the regularities which are part of borrowers’ knowledge: the inter-language mappings, which emerge within the community and which contain instructions for converting SL structures into RL structures. The dissertation chapters are organised as follows. Chapter 1 presents the most important findings of sociolinguistic research into loanwords. Chapter 2 reviews research done by generative phonologists in the field usually termed loanword adaptation. In Chapter 3 research into lexical stratification is reviewed. In Chapter 4 the main ingredients of the model proposed in this dissertation are discussed. Chapter 5 considers the cases of morphosyntactic integration. In Chapter 6 the inter-language mappings are introduced and discussed. Chapter 7 brings an interim summary and announces the four subsequent chapters, which bring four case studies, in which the proposed model is put to use to account for larger data sets. Chapter 8 presents an account of consonant gemination in loanwords. Chapters 9 discusses a-epenthesis in Serbo-Croatian from the contact perspective. Chapter 10 brings an account of verb borrowing and aspect in Serbo-Croatian. In Chapter 11 the Latinate nominalisations in Serbo-Croatian are analysed from the perspective of our model. Chapter 12 concludes this dissertation. This book will be of interest for researchers in the fields of language contact, phonology, morphology and the structure of the lexicon, as well as Serbo- Croatian linguistics.
Najdeno v: ključnih besedah
Povzetek najdenega: the fields of language contact, phonology, morphology and the structure of the lexicon, as...
Ključne besede: Loanword integration, Loanword adaptation, Lexicon stratification, Loanword morphology, Special Faithfulness, Lexical Conservatism, Inter-language mappings
Objavljeno: 09.02.2018; Ogledov: 159; Prenosov: 145
.pdf Polno besedilo (2,95 MB)

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