Effect of Thickness and Annealing on Stress in Tantalum and Tantalum Nitride Thin Film Hard Coatings

1996 ◽  
Vol 436 ◽  
Author(s):  
Ranjana Saha ◽  
Rama B. Inturi ◽  
John A. Barnard
Keyword(s):  
Thin Film ◽  
Hard Coatings ◽  
Tantalum Nitride ◽  
Film Stress ◽  
Thin Film Stress ◽  
Stress Measuring ◽  
Long Term Performance ◽  
Term Performance ◽  
The Relationship

AbstractAn understanding of the relationship between stress and the other properties of thin films is extremely useful in the design of hard coatings for long term performance. In our earlier study, sputtered Ta and Ta(N) films were found to exhibit promising hard coating properties. For example, nano hardness as high as 30 GPa was observed in the nitride (pN2 = 0.100 mTorr) films. In this work, we study the variation in the stress in these films with respect to film thickness and annealing. Films in six different thicknesses (50, 250, 350, 500, 750, and 1000 nm) were deposited on oxide coated Si (111) wafers. Stresses in the films in the as-deposited state and as a function of temperature (300°C) were determined using a thin film stress measuring unit.

A UHV‐compatible thin‐film stress‐measuring apparatus based on the cantilever beam principle

1990 ◽  
Vol 61 (12) ◽  
pp. 3859-3862 ◽  
Author(s):  
R. Koch ◽  
H. Leonhard ◽  
G. Thurner ◽  
R. Abermann
Keyword(s):  
Thin Film ◽  
Cantilever Beam ◽  
Film Stress ◽  
Measuring Apparatus ◽  
Thin Film Stress ◽  
Stress Measuring

CSR portfolio characteristics and performance outcomes: examining the impacts of CSR portfolio diversity and dynamism

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Kyle Turner ◽  
Craig A. Turner ◽  
William H. Heise
Keyword(s):  
Firm Performance ◽  
Dynamic Range ◽  
Performance Outcomes ◽  
Short Term ◽  
Content Type ◽  
Short And Long Term ◽  
Long Term Performance ◽  
Term Performance ◽  
The Relationship

Purpose The purpose of this paper is to introduce and test a portfolio view of a firm’s corporate social responsibility (CSR) activities. Drawing from stakeholder theory and the dynamic capabilities literature, the authors introduce CSR portfolio diversity and dynamism as key portfolio characteristics that have differential impacts across short- and long-term performance contexts. Design/methodology/approach The study draws from the Kinder, Lydenberg and Domini database to examine CSR portfolio diversity and dynamism across seven dimensions of CSR activities. The authors test the direct and indirect relationships between CSR portfolio characteristics and both short- and long-term performance outcomes to assess the opportunities and challenges associated with managing a diverse and dynamic CSR portfolio. Findings The findings suggest that a diverse portfolio of CSR activities positively impacts long-term performance; however, CSR portfolio diversity yields negative performance outcomes in the short-term. The authors also find that CSR portfolio dynamism moderates the relationship between CSR level and firm performance, such that a dynamic portfolio of CSR positively moderates the relationship between a firm’s CSR level and long-term performance; however, it negatively moderates the relationship between CSR level and short-term performance. Originality/value This study integrates insights from the literature that examine the independent effects of individual CSR activities and the broader perspective that assesses the aggregated summation of CSR activities in relation to firm performance. By taking a portfolio perspective, the present study provides a unique integration of these two research streams to examine the performance implications of engaging in a diverse and dynamic range of CSR activities.

The contrasting moderating effect of exploration on the relationship between stock options/stock ownership and a firm’s long-term performance

2018 ◽  
Vol 56 (9) ◽  
pp. 1956-1968 ◽  
Author(s):  
Gun Jea Yu ◽  
Joonkyum Lee
Keyword(s):  
Stock Options ◽  
Chief Executive ◽  
Moderating Effect ◽  
Stock Ownership ◽  
Content Type ◽  
And Performance ◽  
Long Term Performance ◽  
Term Performance ◽  
The Relationship

Purpose The purpose of this paper is to investigate the contrasting moderating effect of a firm’s exploration on the relationship between the two types of long-term incentives (stock options/stock ownership) for the chief executive officers and a firm’s long-term performance. Even though the two types of incentives are designed to improve long-term performance, the degrees of impact on long-term performance differ. Based on behavioral agency theory, this study theoretically and empirically examines the role of a firm’s exploration on the above relationship. Design/methodology/approach This study used three archival sources to obtain data on stock options, stock ownership, patents and exploration, financial measures, and others. Based on a sample of 1,963 firms in various industries from 1995 to 2006, this study tested the moderating effect of a firm’s exploration on the relationship between stock options/ownership and a firm’s performance. Findings This study reveals the contrasting moderating effect of a firm’s exploration on the relationship between stock options/ownership and a firm’s long-term performance: a positive moderating effect on the relationship between stock options and performance and a negative moderating effect on the relationship between stock ownership and performance. In addition, empirical evidence was added on the inverted U-shaped relationship between stock ownership and a firm’s long-term performance. Originality/value There is little research on a firm’s internal characteristics that strengthen or weaken the effects of stock options and stock ownership on firm performance. This study demonstrates the differential moderating effects of exploration on the relationship between stock options/stock ownership and long-term performance. Such effects of exploration come from the different risk features of stock options and stock ownership. The key implication is that stock options could be more effective than stock ownership to enhance a firm’s long-term performance when a firm has a strong exploration orientation.

Effects of Light Soaking Conditions on Thin Film Silicon:Hydrogen Alloy Solar Cells

1986 ◽  
Vol 70 ◽  
Author(s):  
D. R. Willett ◽  
D. P. Tanner ◽  
G. Mchenry
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Light Intensity ◽  
Environmental Conditions ◽  
Operating Temperature ◽  
Measurable Effect ◽  
The Stability ◽  
Long Term Performance ◽  
Term Performance

ABSTRACTVariation of environmental conditions during light soaking of thin film silicon:hydrogen alloy (TFS) solar cells can have measurable effect on durability. Such sensitivity must be considered in optimizing processes for maximizing long-term performance. This paper will describe the effects of operating temperature, light intensity, operating bias, and duration of light soaking on the stability of TFS p-i-n solar cells.

Earnings Management and IPO Anomalies—Evidence from Indian Stock Market

2021 ◽  
pp. 227853372199471
Author(s):  
Aprajita Pandey ◽  
J. K. Pattanayak
Keyword(s):  
Earnings Management ◽  
Stock Returns ◽  
Initial Public Offering ◽  
Public Offering ◽  
High Level ◽  
Long Term Performance ◽  
Indian Stock Market ◽  
Term Performance ◽  
The Relationship

This study examines the relationship between the extent of earnings management in a firm, the level of underpricing during an initial public offering (IPO), and their long-term performance. Earnings management has been acknowledged as a matter of concern during IPOs since long; however, its relationship with underpricing and long-term returns remained inconclusive in emerging markets like India. Using a sample of Indian IPO firms, this study finds that firms that manage accruals aggressively in the pre-IPO period have high initial returns and subsequently low stock returns in the post-IPO period. This study also observed that firms that have used abnormal accruals more conservatively while reporting earnings have better returns in the third year after IPO compared to the firms that reported more aggressively. The results are in consonance with the theory of information asymmetry and suggest that valuation of an IPO firm becomes ambiguous with high level of earnings management, which leads to higher underpricing.

scholarly journals Deviation in Nano-Mechanical Properties of Ceramic Nano Composite Thin Films

2017 ◽  
Vol 14 (1) ◽  
pp. 01-04
Author(s):  
A. S. Bhattacharyya ◽  
R. P. Kumar
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Mechanical Properties ◽  
Magnetron Sputtering ◽  
Strain Hardening ◽  
Hard Coatings ◽  
Film Stress ◽  
Nano Composite ◽  
Thin Film Stress ◽  
Morphological Patterns

Ceramic hard Coatings based on Si, C , N, Ti and B were developed using magnetron sputtering, applicable for protecting the underlying substrate. Different morphological patterns were observed on the coating surface due to sputtering. Nanoindentation was used to determine the hardness and modulus of the coatings. The deviations in H and E values were attributed to indentation positions, thin film stress and anisotropy. Evidence of strain hardening was found during loading.

scholarly journals Private assets for public benefit: the challenge of long-term management of domestic rainwater tanks

2021 ◽  
Author(s):  
Darren G. Bos
Keyword(s):  
Private Landowners ◽  
Relative Priority ◽  
Rainwater Tank ◽  
Primary Driver ◽  
Long Term Performance ◽  
Term Performance ◽  
The Relationship ◽  
Term Management ◽  
Rainwater Tanks

Abstract This study explored the relationship private landowners have with their domestic rainwater tank and how that relationship influences the reliability of privately operated rainwater tanks for long-term performance and delivery of service. It found that tank owners generally placed a high value on their tank, desired to have them fully operational and made a reasonable effort to keep them functioning. However, the frequency and extent of maintenance action and effort was variable, and in the context of a private residence, rainwater tanks were typically afforded a low relative priority for repair when compared with other residential assets. This low relative priority could be a primary driver for the reported delay between when a fault occurs with the tank and when it is repaired. This ‘repair lag’ means that a portion of domestic rainwater tanks are likely to be non-operational at any one time. When planning a decentralised system for the management of stormwater, redundancies should be included to cover these gaps in service delivery. It is also recommended that programmes that support private landowners to maintain their rainwater tanks are implemented to minimise repair lag.

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