scholarly journals The Self-Absorption Effect of Ni-63 Beta Source to the Silicon Carbide based Betavoltaic Battery

POSITRON ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 34
Author(s):  
Swastya Rahastama ◽  
Yohannes Dwi Saputra ◽  
Abdul Waris
Keyword(s):  
Ohmic Contacts ◽  
Energy Deposition ◽  
Positive Impact ◽  
Average Energy ◽  
Absorbed Dose ◽  
The Self ◽  
Absorption Effect ◽  
Beta Source ◽  
Beta Energy ◽  
Betavoltaic Battery

A typical planar structure is the most feasible conceptual design of betavoltaic battery due to its simplicity. The self-absorption of beta source, however, causes a limitation to the geometrical efficiency.  Herein, we tried to investigate the self-absorption event in Ni-63 beta source by changing the geometrical aspects and evaluated its effect on each layer of a 4H-SiC semiconductor as the radiation-electricity converter. The design configuration from previous literature was adopted and the model was developed using Monte Carlo N-Particle X (MCNPX) consists of radioisotope source, semiconductor, and also ohmic contacts. The energy of beta emission was adjusted to the actual Ni-63 beta spectra with an isotropic distribution of ejected particles. The average beta energy deposition degrades along with the addition of source mass thickness, but the n+ substrate has a unique result where a peak is observed at 0.1246 mg/cm2 due to the self-absorption effect. Furthermore, the rectangular surface area magnification gives a positive impact on the beta energy deposition up to 2.48% and the photon average energy deposition up to 137.21%.  The results of average electron absorbed dose are consistent with Oldano-Pasquarelli semi-empirical theory of self-absorption in the beta source, where the upper layer receives a wider angular distribution of particles compared to the lower one, which corresponds to the counting geometrical coefficients.

Tourism Marketing Stimulus Characteristics: A Self-Validation Analysis of Iran

2020 ◽  
pp. 004728752098114
Author(s):  
Arghavan Hadinejad ◽  
Anna Kralj ◽  
Noel Scott ◽  
Brent D. Moyle ◽  
Sarah Gardiner
Keyword(s):  
Least Squares ◽  
Cognitive Processing ◽  
Source Credibility ◽  
Positive Impact ◽  
Emotional Arousal ◽  
The Self ◽  
Three Dimensions ◽  
Multigroup Analysis ◽  
Tourism Marketing ◽  
Positive Attitudes

Prior self-validation hypothesis studies suggest that an individual’s attitude toward advertising is affected by the cognitive processing of the message and the valence of emotion. Yet, the effect of emotional arousal and stimulus credibility on attitudes toward a destination has not been discerned. This study employs the self-validation hypothesis to investigate the effect of the three dimensions of thinking on attitudes toward Iran. Participants (N = 416) were randomly assigned to a two (high vs. low arousal) × two (high vs. low source credibility) experiment. The partial least squares multigroup analysis results indicated that the emotionally arousing stimulus led to a greater influence of the amount and confidence of thought on attitudes. The effect of the amount of thought on attitude was greater in response to a credible stimulus. This research advances knowledge by revealing that emotional arousal has a significant positive impact on three dimensions of thinking and positive attitudes.

Consumer responses to the failure of self-service banking technology: moderating role of failure stability

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Nedra Bahri Ammari ◽  
Abir Hsouna ◽  
Mounia Benabdallah ◽  
Anish Yousaf ◽  
Abhishek Mishra
Keyword(s):  
Word Of Mouth ◽  
Positive Impact ◽  
Negative Word ◽  
The Self ◽  
Content Type ◽  
Consumer Dissatisfaction ◽  
Self Service ◽  
The Stability ◽  
Self Service Technology ◽  
The Impact

PurposeThe purpose of this study is to investigate the impact of dissatisfaction and anger, driven by the failure of the self-service technology of banks, on customers' post-purchase behavioural reactions, such as complaints, negative word-of-mouth (NWOM) and supplier change. The stability of the failure is proposed to moderate these relationships.Design/methodology/approachThe proposed research model was tested through data collected from an online survey of a Tunisian sample of 300 respondents, using the scenario method.FindingsThe study validates the positive impact of dissatisfaction on anger and negative word-of-mouth, as well as that of anger on complaint behaviour and negative word-of-mouth. The relation between dissatisfaction and negative word-of-mouth is mediated by anger. When the failure is stable, dissatisfied users of the self-service technology seek to enhance their negative word-of-mouth and supplier change. The results also show that the stability of the failure enhances the effect of anger on complaint behaviour.Practical implicationsBanks should invest efforts to accelerate the recovery of services to reduce consumer dissatisfaction and anger and prevent adverse behavioural outcomes. Further, they need to ensure that failures are not repeated, as failure stability activates some otherwise non-significant behavioural outcomes, like supplier change.Originality/valuePrevious works have focused on the impact of dissatisfaction and negative emotions for interpersonal services, but very few works have come to associate dissatisfaction, anger, complaint, negative word-of-mouth and supplier change in an integrative framework for an self-service technology failure.

Shared Leadership and Team Performance

2019 ◽  
pp. 311-325
Author(s):  
Ana Martins ◽  
Isabel Martins
Keyword(s):  
Problem Solving ◽  
Organizational Performance ◽  
Self Efficacy ◽  
Shared Leadership ◽  
Positive Impact ◽  
Employee Performance ◽  
The Self ◽  
Social And Emotional ◽  
And Performance ◽  
Team Trust

This chapter contributes to the existing evidence on the constructs of shared leadership, social, and emotional capitals to demonstrate their significant galvanizing effect on team and organizational performance through trust. This study aimed to ascertain how leadership self-efficacy might influence shared leadership team, trust, and performance in this IT Company. Managers with self-reported ratings for the self-efficacy attributes cluster of leadership demonstrate greater probability of improving both perceived and actual employee performance. The emerging results concur with the aforementioned premise because these appear to emphasize the leadership self-efficacy attributes cluster of problem solving. These results may have a positive impact on the team and organizational performance as a whole.

Comparison between Ni-SALICIDE and Self-Aligned Lift-Off Used in Fabrication of Ohmic Contacts for SiC Power MOSFET

2019 ◽  
Vol 963 ◽  
pp. 490-493
Author(s):  
Tomasz Sledziewski ◽  
Tobias Erlbacher ◽  
Anton Bauer ◽  
Lothar Frey ◽  
Xi Ming Chen ◽  
...  
Keyword(s):  
Electrical Properties ◽  
Silicon Dioxide ◽  
Ohmic Contacts ◽  
Positive Impact ◽  
Specific Resistance ◽  
Power Mosfet ◽  
Interlayer Dielectric ◽  
Lift Off ◽  
P Type

A comparison between self-aligned process (using lift-off) and Ni-SALICIDE used in fabrication of ohmic contacts for SiC Power MOSFET is done. Both processes are demonstrated for 3.3 kV SiC VDMOS transistors fabricated on 100 mm substrates. It is shown that the Ni-SALICIDE process with first silicidation at 500 °C does not degrade the electrical properties of silicon dioxide; particularly, a degradation of the interlayer dielectric between source and gate is not evident. Additionally, this first silicidation is found to have a positive impact on the specific resistance of contacts formed on p-type SiC using NiAl2.6% as an ohmic metal.

scholarly journals Measuring Mental Effort for Creating Mobile Data Collection Applications

2020 ◽  
Vol 17 (5) ◽  
pp. 1649
Author(s):  
Johannes Schobel ◽  
Thomas Probst ◽  
Manfred Reichert ◽  
Winfried Schlee ◽  
Marc Schickler ◽  
...  
Keyword(s):  
Data Collection ◽  
Prior Knowledge ◽  
Performance Measures ◽  
Large Scale ◽  
Performance Metrics ◽  
Positive Impact ◽  
Mental Effort ◽  
The Self ◽  
Mobile Data ◽  
Mobile Data Collection

To deal with drawbacks of paper-based data collection procedures, the QuestionSys approach empowers researchers with none or little programming knowledge to flexibly configure mobile data collection applications on demand. The mobile application approach of QuestionSys mainly pursues the goal to mitigate existing drawbacks of paper-based collection procedures in mHealth scenarios. Importantly, researchers shall be enabled to gather data in an efficient way. To evaluate the applicability of QuestionSys, several studies have been carried out to measure the efforts when using the framework in practice. In this work, the results of a study that investigated psychological insights on the required mental effort to configure the mobile applications are presented. Specifically, the mental effort for creating data collection instruments is validated in a study with N = 80 participants across two sessions. Thereby, participants were categorized into novices and experts based on prior knowledge on process modeling, which is a fundamental pillar of the developed approach. Each participant modeled 10 instruments during the course of the study, while concurrently several performance measures are assessed (e.g., time needed or errors). The results of these measures are then compared to the self-reported mental effort with respect to the tasks that had to be modeled. On one hand, the obtained results reveal a strong correlation between mental effort and performance measures. On the other, the self-reported mental effort decreased significantly over the course of the study, and therefore had a positive impact on measured performance metrics. Altogether, this study indicates that novices with no prior knowledge gain enough experience over the short amount of time to successfully model data collection instruments on their own. Therefore, QuestionSys is a helpful instrument to properly deal with large-scale data collection scenarios like clinical trials.

Angle-dependent excitonic luminescence in semiconductor microtube cavity: The self-absorption effect

2019 ◽  
Vol 208 ◽  
pp. 238-244 ◽  
Author(s):  
Qiang Wang ◽  
Yinzhou Yan ◽  
Fei Tong ◽  
Tianrui Zhai ◽  
Cheng Xing ◽  
...  
Keyword(s):  
The Self ◽  
Absorption Effect ◽  
Excitonic Luminescence

A study of the self-absorption effect in the fluorescence yield of NiO at the oxygen K-edge

1992 ◽  
Vol 82 (1) ◽  
pp. 1-5 ◽  
Author(s):  
E. Zschech ◽  
L. Tröger ◽  
D. Arvanitis ◽  
H. Michaelis ◽  
U. Grimm ◽  
...  
Keyword(s):  
Fluorescence Yield ◽  
The Self ◽  
Absorption Effect

The Association between self-stigma and coping strategies in depressive disorder–a cross-sectional study

2017 ◽  
Vol 41 (S1) ◽  
pp. S530-S530
Author(s):  
M. Holubova ◽  
J. Prasko
Keyword(s):  
Depressive Disorder ◽  
Coping Strategies ◽  
Depressive Disorders ◽  
Positive Impact ◽  
Cross Sectional Study ◽  
The Self ◽  
Sectional Study ◽  
Cross Sectional ◽  
Positive Coping ◽  
Negative Coping

BackgroundSelf-stigma is a maladaptive psychosocial phenomenon that may disturb many areas of patient's life. In connection with maladaptive coping strategies should make mental health recovery more difficult. Specific coping strategies may be connected with the self-stigma and also with the severity of the disorder. The objective of the study was to explore the relationship between coping strategies, the severity of the disorder and self-stigma in outpatients with depressive disorder.MethodEighty-one outpatients, who met ICD-10 criteria for depressive disorders, were enrolled in the cross-sectional study. Data on sociodemographic and clinical variables were recorded. All probands completed standardized measurements: The Stress Coping Style Questionnaire (SVF-78), the Internalized Stigma of Mental Illness Scale (ISMI), and the Clinical Global Impression (CGI).ResultsThe patients with depression overuse negative coping strategies, especially escape tendency and resignation. Using of positive coping is in average level. Coping strategies are significantly associated with the self-stigma. Negative coping (especially resignation and self-accusation) increase the self-stigma, using of positive coping (primarily underestimation, reaction control, and positive self-instruction) have a positive impact to decreased self-stigma. The level of self-stigma correlated positively with total symptom severity score.ConclusionsThe present study revealed the important association between coping strategies and self-stigma in outpatients with depressive disorders. Decreasing the use of negative strategies, and strengthening the use of positive coping may have a positive impact to self-stigma reduction.Disclosure of interestThe authors have not supplied their declaration of competing interest.

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