An electronic version of this book is freely available, thanks to the support of libraries working with Knowledge Unlatched. KU is a collaborative initiative designed to make high quality books Open Access. More information about the initiative can be found at www.knowledgeunlatched.org Contents Preface | V List of Contributing Authors | XIII Olfa Kanoun Impedance spectroscopy advances and future trends: A comprehensive review | 1 1 Introduction | 1 2 Theoretical background | 2 3 Extraction of information from impedance spectra | 3 4 Impedance spectroscopy in measurements and sensor solutions | 4 5 Material characterization | 5 6 Battery characterization and diagnostics | 7 7 Biomedical applications and food characterization | 9 8 Cable fault detection and localization | 11 9 Conductive, capacitive and inductive sensors | 12 10 Biosensors | 15 11 Future trends of impedance spectroscopy | 16 11.1 Embedded and miniaturized solutions | 16 11.2 Fast impedance spectroscopy and tomography | 17 11.3 Impedimetric sensors | 17 Bibliography | 17

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With the recent development of ICT tec hnologies including 4G LTE technology, PC-based payment services, until now having been mainly processed, are now processed in mobile environments thro ugh smart phones. Therefore service-pr oviding companies accompanied sever al kinds of payment services as the pur poses of this study. So this study investi gated the use intention of easy mobile payment services by perceived risk with UTAUT2 model. With the results, this study will propose the strategies on its settlement and spread in domestic mar kets. This study used a online question naire survey method to collect data for the users who had ever used easy mobi le payment services. And 642 question naires collected from the survey were analyzed using SPSS Ver. 22.0 and AM OS Ver. 22.0. The results of this are as follows. We find out first that PE, EE, SI and FC as important variables under existing UTA UT2 model make significant effects on the use intention of easy mobile payme nt services. And second that Hedonic Motivation and Habit make significant ef fects on the use intention. And third that Perceived Risk makes negative effects on the use intention of easy mobile pay ment services. These results derives pr actical implications on easy mobile serv ices' growth for companies and users. [CONTENTS] ABSTRACT Ⅰ. Introduction Ⅱ. Literature Review Ⅲ. Research Model and Methodology Ⅳ. Empirical Analysis and Hypothesis Test Ⅴ. Conclusion References 국문초록

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