The Experts below are selected from a list of 1371 Experts worldwide ranked by ideXlab platform
Paul Swuste - One of the best experts on this subject based on the ideXlab platform.
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Evaluating the Control Banding Nanotool: a qualitative risk assessment method for controlling nanoparticle exposures
Journal of Nanoparticle Research, 2009Co-Authors: David M. Zalk, Samuel Y. Paik, Paul SwusteAbstract:Control banding (CB) strategies offer simplified processes for controlling worker exposures in the absence of firm toxicological and exposure information. The nanotechnology industry is an excellent candidate for applying such strategies with overwhelming uncertainties of work-related health risks posed by nanomaterials. A recent survey shows that a majority of nanomaterial producers are not performing a basic risk assessment of their product in use. The CB Nanotool, used internationally, was developed to conduct qualitative risk assessments to control nanoparticle exposures. Nanotoxicology experts have requested standardization of toxicological parameters to ensure better utility and consistency of research. Such standardization would fit well in the CB Nanotool’s severity and probability risk matrix, therefore enhancing the protection of nanotechnology industry workers. This article further evaluates the CB Nanotool for structure, weighting of risk factors, and utility for exposure mitigation, and suggests improvements for the CB Nanotool and the research needed to bolster its effectiveness.
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Control Banding Nanotool: Evaluation of a qualitative risk assessment method for the control of nanoparticulate exposures
2009Co-Authors: David M. Zalk, Samuel Y. Paik, Paul SwusteAbstract:Control Banding strategies offer a simplified control of worker exposures when there is an absence of firm toxicological and exposure information. The nanotechnology industry fits this classification as there are overwhelming uncertainties of work-related health risks posed by nanomaterials. Many experts have suggested Control Banding as a solution for these issues. A recent survey shows a majority of nanomaterial users are not performing a basic risk assessment of their product in use. A Control Banding Nanotool has been developed and implemented to afford a qualitative risk assessment toward the control of nanoparticle exposures. The international use of the Control Banding Nanotool reflects on both its need and its possibilities. By developing this dynamic Control Banding Nanotool within the realm of the scientific information available, this application of Control Banding appears to be a useful approach for assessing the risk of nanomaterial operations. This success can be seen in providing recommendations for appropriate engineering controls, facilitating the allocation of resources to the activities that most need them, and initiating an appropriate discussion of these risks with nonexperts. Experts have requested standardization of toxicological parameters, affording better utility and consistency of research. This database of toxicological research findings should be harnessed andmore » presented in a format feeding directly into the Control Banding Nanotool severity and probability risk matrix. Making the latest research available for experts and practitioners alike will provide the best protection of workers in the nanotechnology industries. This presentation will also show the science behind the simplified Control Banding Nanotool approach, its structure, weighting of risks, utility for exposure mitigation, and the research needs to bolster its effectiveness.« less
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application of a pilot control banding tool for risk level assessment and control of nanoparticle exposures
Annals of Occupational Hygiene, 2008Co-Authors: Samuel Y. Paik, David M. Zalk, Paul SwusteAbstract:Control banding (CB) strategies offer simplified solutions for controlling worker exposures to constituents that are found in the workplace in the absence of firm toxicological and exposure data. These strategies may be particularly useful in nanotechnology applications, considering the overwhelming level of uncertainty over what nanomaterials and nanotechnologies present as potential work-related health risks, what about these materials might lead to adverse toxicological activity, how risk related to these might be assessed and how to manage these issues in the absence of this information. This study introduces a pilot CB tool or ‘CB Nanotool’ that was developed specifically for characterizing the health aspects of working with engineered nanoparticles and determining the level of risk and associated controls for five ongoing nanotechnology-related operations being conducted at two Department of Energy research laboratories. Based on the application of the CB Nanotool, four of the five operations evaluated in this study were found to have implemented controls consistent with what was recommended by the CB Nanotool, with one operation even exceeding the required controls for that activity. The one remaining operation was determined to require an upgrade in controls. By developing this dynamic CB Nanotool within the realm of the scientific information available, this application of CB appears to be a useful approach for assessing the risk of nanomaterial operations, providing recommendations for appropriate engineering controls and facilitating the allocation of resources to the activities that most need them.
David M. Zalk - One of the best experts on this subject based on the ideXlab platform.
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A Quantitative Validation of the Control Banding Nanotool.
Annals of Work Exposures and Health, 2019Co-Authors: David M. Zalk, Samuel Y. Paik, Wesley D ChaseAbstract:Eleven years (by publication) years after the development and application of the control banding (CB) Nanotool for the qualitative assessment and control of engineered nanoparticles (ENP), there remains no quantitative gold standard to serve as an alternative to the qualitative assessment. Many CB models have been developed during the years subsequent to the initial development of the CB Nanotool and the literature continues to blossom with comparisons and applications of these various tools; however, these developments have hitherto been made in the absence of validating and verifying their effectiveness using existing, albeit limited, quantitative methods. This paper reviews the existing literature on the CB Nanotool to evaluate its effectiveness in a variety of settings and presents a summary of qualitative and quantitative information from its application in a broad range of ENP handling activities performed in two different research institutions. A total of 28 ENP activities were assessed using the CB Nanotool (Version 2.0). Due to the lack of guidance on a single exposure assessment methodology, a combination of real-time monitoring, filter analysis, and microscopic analysis was used to assess various quantitative metrics, including mass concentration, particle number concentration, and particle speciation. All the results indicated that the control outcomes from the CB Nanotool qualitative assessment were sufficient to prevent workers from being exposed to ENP at levels beyond established exposure limits or background levels. These data represent an independent quantitative validation of CB Nanotool risk level outcomes and give further credence to the use of the CB Nanotool to effectively control worker exposures in the absence of quantitative air monitoring results.
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Evaluating the Control Banding Nanotool: a qualitative risk assessment method for controlling nanoparticle exposures
Journal of Nanoparticle Research, 2009Co-Authors: David M. Zalk, Samuel Y. Paik, Paul SwusteAbstract:Control banding (CB) strategies offer simplified processes for controlling worker exposures in the absence of firm toxicological and exposure information. The nanotechnology industry is an excellent candidate for applying such strategies with overwhelming uncertainties of work-related health risks posed by nanomaterials. A recent survey shows that a majority of nanomaterial producers are not performing a basic risk assessment of their product in use. The CB Nanotool, used internationally, was developed to conduct qualitative risk assessments to control nanoparticle exposures. Nanotoxicology experts have requested standardization of toxicological parameters to ensure better utility and consistency of research. Such standardization would fit well in the CB Nanotool’s severity and probability risk matrix, therefore enhancing the protection of nanotechnology industry workers. This article further evaluates the CB Nanotool for structure, weighting of risk factors, and utility for exposure mitigation, and suggests improvements for the CB Nanotool and the research needed to bolster its effectiveness.
-
Control Banding Nanotool: Evaluation of a qualitative risk assessment method for the control of nanoparticulate exposures
2009Co-Authors: David M. Zalk, Samuel Y. Paik, Paul SwusteAbstract:Control Banding strategies offer a simplified control of worker exposures when there is an absence of firm toxicological and exposure information. The nanotechnology industry fits this classification as there are overwhelming uncertainties of work-related health risks posed by nanomaterials. Many experts have suggested Control Banding as a solution for these issues. A recent survey shows a majority of nanomaterial users are not performing a basic risk assessment of their product in use. A Control Banding Nanotool has been developed and implemented to afford a qualitative risk assessment toward the control of nanoparticle exposures. The international use of the Control Banding Nanotool reflects on both its need and its possibilities. By developing this dynamic Control Banding Nanotool within the realm of the scientific information available, this application of Control Banding appears to be a useful approach for assessing the risk of nanomaterial operations. This success can be seen in providing recommendations for appropriate engineering controls, facilitating the allocation of resources to the activities that most need them, and initiating an appropriate discussion of these risks with nonexperts. Experts have requested standardization of toxicological parameters, affording better utility and consistency of research. This database of toxicological research findings should be harnessed andmore » presented in a format feeding directly into the Control Banding Nanotool severity and probability risk matrix. Making the latest research available for experts and practitioners alike will provide the best protection of workers in the nanotechnology industries. This presentation will also show the science behind the simplified Control Banding Nanotool approach, its structure, weighting of risks, utility for exposure mitigation, and the research needs to bolster its effectiveness.« less
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application of a pilot control banding tool for risk level assessment and control of nanoparticle exposures
Annals of Occupational Hygiene, 2008Co-Authors: Samuel Y. Paik, David M. Zalk, Paul SwusteAbstract:Control banding (CB) strategies offer simplified solutions for controlling worker exposures to constituents that are found in the workplace in the absence of firm toxicological and exposure data. These strategies may be particularly useful in nanotechnology applications, considering the overwhelming level of uncertainty over what nanomaterials and nanotechnologies present as potential work-related health risks, what about these materials might lead to adverse toxicological activity, how risk related to these might be assessed and how to manage these issues in the absence of this information. This study introduces a pilot CB tool or ‘CB Nanotool’ that was developed specifically for characterizing the health aspects of working with engineered nanoparticles and determining the level of risk and associated controls for five ongoing nanotechnology-related operations being conducted at two Department of Energy research laboratories. Based on the application of the CB Nanotool, four of the five operations evaluated in this study were found to have implemented controls consistent with what was recommended by the CB Nanotool, with one operation even exceeding the required controls for that activity. The one remaining operation was determined to require an upgrade in controls. By developing this dynamic CB Nanotool within the realm of the scientific information available, this application of CB appears to be a useful approach for assessing the risk of nanomaterial operations, providing recommendations for appropriate engineering controls and facilitating the allocation of resources to the activities that most need them.
Victor V. Koledov - One of the best experts on this subject based on the ideXlab platform.
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3D Nano-Manipulation and Nano-assembling by the smallest and the fastest shape memory alloy nano-tools
2019 International Conference on Manipulation Automation and Robotics at Small Scales (MARSS), 2019Co-Authors: Victor V. Koledov, Svetlana Von Gratowski, A. V. Irzhak, Peter V. Lega, Alexander V. Shelyakov, Mônica A. Cotta, A. V. Orlov, Alexey Frolov, Anatoliy SmolovichAbstract:The shape memory alloys (SMAs) have recently been recognized as reliable basement of the technology of mechanical Nanotools with still non determined minimal size. Among them the intermetallic alloy Ti(NiCu) give promising possibilities to create the reconfigurable micro- and nanostructures with shape memory effect (SME) capable to produce mechanical work on nanoscale. In the present report the review of the basic physical phenomena, which provide the possibility for the application of nanostructured SMA Ti(NiCu) for creating of micro and Nanotools is given. The preliminary strained layered composites of SMAs are discussed which provide the multiple reversible actuation of a SMA based tool. Fundamental studies devoted to search for minimal size, at which martensitic phase transition and controllable actuation of SMA based tools take place are described. The technology of SMAs treatment by FIB-CVD gives the possibility to create different kinds of micro and Nanotools, like nano- tweezers, grippers, pinchers, screws etc. These micro-Nanotools have active SME layer with the thickness from tenths nm to 1 µm The continuous bending actuation threshold frequency of the SMA based thermally controlled nanoactuator is proved to exceed 8000 Hz. The new mechanical Nanotools with SME give possibility to provide 3D nanomanipulation of the real nano-objects such as CNTs, different nanowires, nanowhiskers and also bio-nanoobjects such as DNA, etc. One of very interesting fundamental physical question which arises at nano-manipulation is the restriction due to influence of Casimir and van der Waals forces between the interacting Nanotools and objects to be manipulated.
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Ti 2 NiCu based composite nanotweezers with a shape memory effect and its use for DNA bunches 3D manipulation
arXiv: Biological Physics, 2019Co-Authors: A. P. Orlov, A. V. Irzhak, Peter V. Lega, A. V. Frolov, A. M. Smolovich, P. V. Chung, N. A. Barinov, D. V. Klinov, V. S. Vlasenko, Victor V. KoledovAbstract:The DNA molecules were controllable deposited on graphene and thin graphite films and visualized using AFM. The mechanical micro- and Nanotools, such as nanotweezers with shape memory effect controlled by heating were designed and tested. A technique for fabricating a structure with the inclusion of suspended DNA threads and manipulating those using composite nanotweezers with shape memory effect was suggested.
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nano manipulation nano manufacturing nano measurements by new smart material based mechanical Nanotools
International Conference on Manipulation Manufacturing and Measurement on Nanoscale, 2018Co-Authors: Victor V. Koledov, Svetlana Von Gratowski, Alekseevich Valerij Orlov, VASUDEVAN SAMPATH, Andrey Orlov, Vedamanickam Sampath, A. V. Irzhak, Peter V. Lega, Vladimir G. Shavrov, Alexander V. Shelyakov, Alexey MashirovAbstract:Recent progress in the study of new functional materials, such as Ti(NiCu) intermetallic with shape memory effect (SME), opens up exciting possibilities for the design reconfigurable micro- and nano-structures and for operating mechanical Nanotools controlled by external fields or heat. This report gives an overview of physical effects, in particular, solid state phase transitions and accompanying phenomena in alloys and composites exhibiting SME. The limitations pertaining to the minimum size of the nanomechanical devices exhibiting shape memory effect that arise due to the solid state phase transitions are now under discussion and have not been completely understood yet. The modern nanotechnologies allow designing of the mechanical micro- and Nanotools, such as nanotweezers, nanopinchers etc., with an active layer thickness of about several tenths of nm, and whose overall size is below 1 μm. The Nanotools with SME can be controlled by heating as well as by magnetic field activation in ferromagnetic alloys exhibiting SME, such as Ni 2 MnGa. 3D nanomanipulation is demonstrated by composite nanotweezers with SME in different nanoobjects, such as CNTs, nanowires, nanowhiskers, bionanoobjects, DNA, etc. In these devices, the surface interactions and Casimir and van der Waals forces affect the process of nanomanipulation. The prospects of nanorobotics and manufacturing on nanoscale adapting the principle of mechanical bottom-up nanoassembly are discussed. In addition, nanoscale measurements can take advantage of 3D mechanical nanomanipulation, including transportation of analytes to nanosensors, elasticity measurements by Nanotools with calibrated force, etc.
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Composite Nanotools with Shape Memory Effect for Nanostructures Assembly
2018 International Conference on Manipulation Automation and Robotics at Small Scales (MARSS), 2018Co-Authors: Andrey P. Orlov, Peter V. Lega, Aleksei V. Frolov, Sergey Zybtsev, Vadim Ya. Pokrovskii, Victor V. KoledovAbstract:Samples of the composite nanotweezers with shape memory effect were prepared and tested. Proposed design of the nanotweezers made it possible to manipulate individual NbS3whiskers in the scanning electron microscopy. To study the transport properties of the charge density wave (CDW), from the array of NbS3filaments, structurally perfect crystals of tens of nanometers in width were chosen and transferred to a substrate with electrical conductors without introducing additional structural defects. On the fixed crystals of different length and width, the voltage-current (IV) curves were measured with an external high-frequency electromagnetic field. The manifestation of the Shapiro steps on IV curves is indicative of the high quality of the samples made with the help of the proposed nanotweezers with shape memory effect (SME).
Samuel Y. Paik - One of the best experts on this subject based on the ideXlab platform.
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A Quantitative Validation of the Control Banding Nanotool.
Annals of Work Exposures and Health, 2019Co-Authors: David M. Zalk, Samuel Y. Paik, Wesley D ChaseAbstract:Eleven years (by publication) years after the development and application of the control banding (CB) Nanotool for the qualitative assessment and control of engineered nanoparticles (ENP), there remains no quantitative gold standard to serve as an alternative to the qualitative assessment. Many CB models have been developed during the years subsequent to the initial development of the CB Nanotool and the literature continues to blossom with comparisons and applications of these various tools; however, these developments have hitherto been made in the absence of validating and verifying their effectiveness using existing, albeit limited, quantitative methods. This paper reviews the existing literature on the CB Nanotool to evaluate its effectiveness in a variety of settings and presents a summary of qualitative and quantitative information from its application in a broad range of ENP handling activities performed in two different research institutions. A total of 28 ENP activities were assessed using the CB Nanotool (Version 2.0). Due to the lack of guidance on a single exposure assessment methodology, a combination of real-time monitoring, filter analysis, and microscopic analysis was used to assess various quantitative metrics, including mass concentration, particle number concentration, and particle speciation. All the results indicated that the control outcomes from the CB Nanotool qualitative assessment were sufficient to prevent workers from being exposed to ENP at levels beyond established exposure limits or background levels. These data represent an independent quantitative validation of CB Nanotool risk level outcomes and give further credence to the use of the CB Nanotool to effectively control worker exposures in the absence of quantitative air monitoring results.
-
Evaluating the Control Banding Nanotool: a qualitative risk assessment method for controlling nanoparticle exposures
Journal of Nanoparticle Research, 2009Co-Authors: David M. Zalk, Samuel Y. Paik, Paul SwusteAbstract:Control banding (CB) strategies offer simplified processes for controlling worker exposures in the absence of firm toxicological and exposure information. The nanotechnology industry is an excellent candidate for applying such strategies with overwhelming uncertainties of work-related health risks posed by nanomaterials. A recent survey shows that a majority of nanomaterial producers are not performing a basic risk assessment of their product in use. The CB Nanotool, used internationally, was developed to conduct qualitative risk assessments to control nanoparticle exposures. Nanotoxicology experts have requested standardization of toxicological parameters to ensure better utility and consistency of research. Such standardization would fit well in the CB Nanotool’s severity and probability risk matrix, therefore enhancing the protection of nanotechnology industry workers. This article further evaluates the CB Nanotool for structure, weighting of risk factors, and utility for exposure mitigation, and suggests improvements for the CB Nanotool and the research needed to bolster its effectiveness.
-
Control Banding Nanotool: Evaluation of a qualitative risk assessment method for the control of nanoparticulate exposures
2009Co-Authors: David M. Zalk, Samuel Y. Paik, Paul SwusteAbstract:Control Banding strategies offer a simplified control of worker exposures when there is an absence of firm toxicological and exposure information. The nanotechnology industry fits this classification as there are overwhelming uncertainties of work-related health risks posed by nanomaterials. Many experts have suggested Control Banding as a solution for these issues. A recent survey shows a majority of nanomaterial users are not performing a basic risk assessment of their product in use. A Control Banding Nanotool has been developed and implemented to afford a qualitative risk assessment toward the control of nanoparticle exposures. The international use of the Control Banding Nanotool reflects on both its need and its possibilities. By developing this dynamic Control Banding Nanotool within the realm of the scientific information available, this application of Control Banding appears to be a useful approach for assessing the risk of nanomaterial operations. This success can be seen in providing recommendations for appropriate engineering controls, facilitating the allocation of resources to the activities that most need them, and initiating an appropriate discussion of these risks with nonexperts. Experts have requested standardization of toxicological parameters, affording better utility and consistency of research. This database of toxicological research findings should be harnessed andmore » presented in a format feeding directly into the Control Banding Nanotool severity and probability risk matrix. Making the latest research available for experts and practitioners alike will provide the best protection of workers in the nanotechnology industries. This presentation will also show the science behind the simplified Control Banding Nanotool approach, its structure, weighting of risks, utility for exposure mitigation, and the research needs to bolster its effectiveness.« less
-
application of a pilot control banding tool for risk level assessment and control of nanoparticle exposures
Annals of Occupational Hygiene, 2008Co-Authors: Samuel Y. Paik, David M. Zalk, Paul SwusteAbstract:Control banding (CB) strategies offer simplified solutions for controlling worker exposures to constituents that are found in the workplace in the absence of firm toxicological and exposure data. These strategies may be particularly useful in nanotechnology applications, considering the overwhelming level of uncertainty over what nanomaterials and nanotechnologies present as potential work-related health risks, what about these materials might lead to adverse toxicological activity, how risk related to these might be assessed and how to manage these issues in the absence of this information. This study introduces a pilot CB tool or ‘CB Nanotool’ that was developed specifically for characterizing the health aspects of working with engineered nanoparticles and determining the level of risk and associated controls for five ongoing nanotechnology-related operations being conducted at two Department of Energy research laboratories. Based on the application of the CB Nanotool, four of the five operations evaluated in this study were found to have implemented controls consistent with what was recommended by the CB Nanotool, with one operation even exceeding the required controls for that activity. The one remaining operation was determined to require an upgrade in controls. By developing this dynamic CB Nanotool within the realm of the scientific information available, this application of CB appears to be a useful approach for assessing the risk of nanomaterial operations, providing recommendations for appropriate engineering controls and facilitating the allocation of resources to the activities that most need them.
Peter V. Lega - One of the best experts on this subject based on the ideXlab platform.
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3D Nano-Manipulation and Nano-assembling by the smallest and the fastest shape memory alloy nano-tools
2019 International Conference on Manipulation Automation and Robotics at Small Scales (MARSS), 2019Co-Authors: Victor V. Koledov, Svetlana Von Gratowski, A. V. Irzhak, Peter V. Lega, Alexander V. Shelyakov, Mônica A. Cotta, A. V. Orlov, Alexey Frolov, Anatoliy SmolovichAbstract:The shape memory alloys (SMAs) have recently been recognized as reliable basement of the technology of mechanical Nanotools with still non determined minimal size. Among them the intermetallic alloy Ti(NiCu) give promising possibilities to create the reconfigurable micro- and nanostructures with shape memory effect (SME) capable to produce mechanical work on nanoscale. In the present report the review of the basic physical phenomena, which provide the possibility for the application of nanostructured SMA Ti(NiCu) for creating of micro and Nanotools is given. The preliminary strained layered composites of SMAs are discussed which provide the multiple reversible actuation of a SMA based tool. Fundamental studies devoted to search for minimal size, at which martensitic phase transition and controllable actuation of SMA based tools take place are described. The technology of SMAs treatment by FIB-CVD gives the possibility to create different kinds of micro and Nanotools, like nano- tweezers, grippers, pinchers, screws etc. These micro-Nanotools have active SME layer with the thickness from tenths nm to 1 µm The continuous bending actuation threshold frequency of the SMA based thermally controlled nanoactuator is proved to exceed 8000 Hz. The new mechanical Nanotools with SME give possibility to provide 3D nanomanipulation of the real nano-objects such as CNTs, different nanowires, nanowhiskers and also bio-nanoobjects such as DNA, etc. One of very interesting fundamental physical question which arises at nano-manipulation is the restriction due to influence of Casimir and van der Waals forces between the interacting Nanotools and objects to be manipulated.
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Ti 2 NiCu based composite nanotweezers with a shape memory effect and its use for DNA bunches 3D manipulation
arXiv: Biological Physics, 2019Co-Authors: A. P. Orlov, A. V. Irzhak, Peter V. Lega, A. V. Frolov, A. M. Smolovich, P. V. Chung, N. A. Barinov, D. V. Klinov, V. S. Vlasenko, Victor V. KoledovAbstract:The DNA molecules were controllable deposited on graphene and thin graphite films and visualized using AFM. The mechanical micro- and Nanotools, such as nanotweezers with shape memory effect controlled by heating were designed and tested. A technique for fabricating a structure with the inclusion of suspended DNA threads and manipulating those using composite nanotweezers with shape memory effect was suggested.
-
nano manipulation nano manufacturing nano measurements by new smart material based mechanical Nanotools
International Conference on Manipulation Manufacturing and Measurement on Nanoscale, 2018Co-Authors: Victor V. Koledov, Svetlana Von Gratowski, Alekseevich Valerij Orlov, VASUDEVAN SAMPATH, Andrey Orlov, Vedamanickam Sampath, A. V. Irzhak, Peter V. Lega, Vladimir G. Shavrov, Alexander V. Shelyakov, Alexey MashirovAbstract:Recent progress in the study of new functional materials, such as Ti(NiCu) intermetallic with shape memory effect (SME), opens up exciting possibilities for the design reconfigurable micro- and nano-structures and for operating mechanical Nanotools controlled by external fields or heat. This report gives an overview of physical effects, in particular, solid state phase transitions and accompanying phenomena in alloys and composites exhibiting SME. The limitations pertaining to the minimum size of the nanomechanical devices exhibiting shape memory effect that arise due to the solid state phase transitions are now under discussion and have not been completely understood yet. The modern nanotechnologies allow designing of the mechanical micro- and Nanotools, such as nanotweezers, nanopinchers etc., with an active layer thickness of about several tenths of nm, and whose overall size is below 1 μm. The Nanotools with SME can be controlled by heating as well as by magnetic field activation in ferromagnetic alloys exhibiting SME, such as Ni 2 MnGa. 3D nanomanipulation is demonstrated by composite nanotweezers with SME in different nanoobjects, such as CNTs, nanowires, nanowhiskers, bionanoobjects, DNA, etc. In these devices, the surface interactions and Casimir and van der Waals forces affect the process of nanomanipulation. The prospects of nanorobotics and manufacturing on nanoscale adapting the principle of mechanical bottom-up nanoassembly are discussed. In addition, nanoscale measurements can take advantage of 3D mechanical nanomanipulation, including transportation of analytes to nanosensors, elasticity measurements by Nanotools with calibrated force, etc.
-
Composite Nanotools with Shape Memory Effect for Nanostructures Assembly
2018 International Conference on Manipulation Automation and Robotics at Small Scales (MARSS), 2018Co-Authors: Andrey P. Orlov, Peter V. Lega, Aleksei V. Frolov, Sergey Zybtsev, Vadim Ya. Pokrovskii, Victor V. KoledovAbstract:Samples of the composite nanotweezers with shape memory effect were prepared and tested. Proposed design of the nanotweezers made it possible to manipulate individual NbS3whiskers in the scanning electron microscopy. To study the transport properties of the charge density wave (CDW), from the array of NbS3filaments, structurally perfect crystals of tens of nanometers in width were chosen and transferred to a substrate with electrical conductors without introducing additional structural defects. On the fixed crystals of different length and width, the voltage-current (IV) curves were measured with an external high-frequency electromagnetic field. The manifestation of the Shapiro steps on IV curves is indicative of the high quality of the samples made with the help of the proposed nanotweezers with shape memory effect (SME).
