I am working mainly in the field of surface science, in particular in the fields of superhydrophobicity, superoleophobicity, creating of surfaces with pre-scribed properties, plasma- and UV-treatment of surfaces. My laboratory also works in the field of plasma treatment of seeds. We also study liquid marbles and their self-propulsion. Last year we started to study the Moses effect (magnetically inspired deformation of liquid surfaces) and its applications. I am also interested in quantitative linguistics, topological problems of physics (examplifications of the 'hairy ball theorem), advanced dimensional analysis (extensions of the Buckingham theorem), variational analysis of "free ends" physical problems, enabling application of the "transversality conditions".
: We introduce the media (gaseous and liquid) demonstrating the negative viscosity. Consider the ... more : We introduce the media (gaseous and liquid) demonstrating the negative viscosity. Consider the vibrated plate (ω is the frequency of vibrations), which is vertically pulled through the gas, built of the core-shell ”meta-molecules”: the mass of the shell is M, the mass of the core is m, the core is connected to the shell with the ideal spring k. Y is the vertical axis. Vibrating of the vertical plate supplies to the core-shell meta-molecules an excess vertical momentum. If ω<ω_0 (ω_0=√(k/m)), this excess momentum coincides with the positive direction of axis Y; if ω>ω_0, the excess moment is oriented against axis Y; thus, the effect of negative viscosity becomes possible. No violation of energy conservation is observed; the energy is supplied to the system by the external source vibrating the plate. The effect of the negative viscosity is also possible in liquids. Frequency dependence of the viscosity is addressed. Asymptotic expressions are derived for the frequency-dependent viscosity.
The impact of the Corona, dielectric barrier discharge, and low pressure radiofrequency air plasm... more The impact of the Corona, dielectric barrier discharge, and low pressure radiofrequency air plasmas on the chemical composition and wettability of medical grade polyvinylchloride was investigated. Corona plasma treatment exerted the most pronounced increase in the hydrophilization of polyvinylchloride. The specific energy of adhesion of the pristine and plasma-treated Polyvinylchloride (PVC) tubing is reported. Plasma treatment increased markedly the specific free surface energy of PVC. The kinetics of hydrophobic recovery following plasma treatment was explored. The time evolution of the apparent contact angle under the hydrophobic recovery is satisfactorily described by the exponential fitting. Energy-dispersive X-ray spectroscopy of the chemical composition of the near-surface layers of the plasma-treated catheters revealed their oxidation. The effect of the hydrophobic recovery hardly correlated with oxidation of the polymer surface, which is irreversible and it is reasonably at...
We report the negative effective mass metamaterials based on the electro-mechanical coupling expl... more We report the negative effective mass metamaterials based on the electro-mechanical coupling exploiting plasma oscillations of free electron gas. The negative mass appears as a result of the vibration of a metallic particle with a frequency ω which is close to the frequency of the plasma oscillations of the electron gas m2, relative to the ionic lattice m1. The plasma oscillations are represented with the elastic spring constant k2=ωp2m2, where ωp is the plasma frequency. Thus, the metallic particle vibrating with the external frequency ω is described by the effective mass meff=m1+m2ωp2ωp2−ω2, which is negative when the frequency ω approaches ωp from above. The idea is exemplified with two conducting metals, namely Au and Li embedded in various matrices. We treated a one-dimensional lattice built from the metallic micro-elements meff connected by ideal springs with the elastic constant k1 representing various media such as polydimethylsiloxane and soda-lime glass. The optical and ac...
ABSTRACT General properties of wetting transitions for droplets on rough substrates are analyzed ... more ABSTRACT General properties of wetting transitions for droplets on rough substrates are analyzed theoretically. The energy barrier to be surpassed for wetting transitions is much lower than the heat of evaporation of the droplet; this makes wetting transitions possible. It is shown that the energy curve of the transition state, i.e., the dependence of the interfacial part of the Gibbs free energy on the apparent contact angle in this state, as well as the energy barriers, can be expressed through the contact angles in the initial and final states without going into the geometric details of the given substrate relief. On this basis, the reason for the irreversibility of the Cassie–Wenzel transitions is elucidated: the energy barrier of the reverse transition is shown to be much higher. The scheme is also applicable to the substrates with disordered reliefs. Time-scaling arguments are important for understanding wetting transitions.
A correction to this article has been published and is linked from the HTML and PDF versions of t... more A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
The authors analyzed the motion of diamagnetic bodies that float on diamagnetic liquids. The moti... more The authors analyzed the motion of diamagnetic bodies that float on diamagnetic liquids. The motion was inspired by the deformation of the diamagnetic liquid surface by a magnetic field, called the ‘Moses effect’. The influence of the surface tension on the shape of the well pushed out by the steady magnetic field (B ≅ 0·35T) acting on the surface of the liquid was studied both experimentally and theoretically for water, silicone oil and aqueous surfactant solution. The suggested mathematical approach accurately predicted the shape of the well, depending on the surface tension of the liquid. Qualitative analysis is reported regarding the motion of floating diamagnetic polymers and metallic objects driven by the Moses effect. The impact of the bulk magnetic force on the motion is minor for all of the studied diamagnetic rafts. The influences of gravity and interfacial forces on the displacement of rafts may be of a comparable order of magnitude.
: We introduce the media (gaseous and liquid) demonstrating the negative viscosity. Consider the ... more : We introduce the media (gaseous and liquid) demonstrating the negative viscosity. Consider the vibrated plate (ω is the frequency of vibrations), which is vertically pulled through the gas, built of the core-shell ”meta-molecules”: the mass of the shell is M, the mass of the core is m, the core is connected to the shell with the ideal spring k. Y is the vertical axis. Vibrating of the vertical plate supplies to the core-shell meta-molecules an excess vertical momentum. If ω<ω_0 (ω_0=√(k/m)), this excess momentum coincides with the positive direction of axis Y; if ω>ω_0, the excess moment is oriented against axis Y; thus, the effect of negative viscosity becomes possible. No violation of energy conservation is observed; the energy is supplied to the system by the external source vibrating the plate. The effect of the negative viscosity is also possible in liquids. Frequency dependence of the viscosity is addressed. Asymptotic expressions are derived for the frequency-dependent viscosity.
The impact of the Corona, dielectric barrier discharge, and low pressure radiofrequency air plasm... more The impact of the Corona, dielectric barrier discharge, and low pressure radiofrequency air plasmas on the chemical composition and wettability of medical grade polyvinylchloride was investigated. Corona plasma treatment exerted the most pronounced increase in the hydrophilization of polyvinylchloride. The specific energy of adhesion of the pristine and plasma-treated Polyvinylchloride (PVC) tubing is reported. Plasma treatment increased markedly the specific free surface energy of PVC. The kinetics of hydrophobic recovery following plasma treatment was explored. The time evolution of the apparent contact angle under the hydrophobic recovery is satisfactorily described by the exponential fitting. Energy-dispersive X-ray spectroscopy of the chemical composition of the near-surface layers of the plasma-treated catheters revealed their oxidation. The effect of the hydrophobic recovery hardly correlated with oxidation of the polymer surface, which is irreversible and it is reasonably at...
We report the negative effective mass metamaterials based on the electro-mechanical coupling expl... more We report the negative effective mass metamaterials based on the electro-mechanical coupling exploiting plasma oscillations of free electron gas. The negative mass appears as a result of the vibration of a metallic particle with a frequency ω which is close to the frequency of the plasma oscillations of the electron gas m2, relative to the ionic lattice m1. The plasma oscillations are represented with the elastic spring constant k2=ωp2m2, where ωp is the plasma frequency. Thus, the metallic particle vibrating with the external frequency ω is described by the effective mass meff=m1+m2ωp2ωp2−ω2, which is negative when the frequency ω approaches ωp from above. The idea is exemplified with two conducting metals, namely Au and Li embedded in various matrices. We treated a one-dimensional lattice built from the metallic micro-elements meff connected by ideal springs with the elastic constant k1 representing various media such as polydimethylsiloxane and soda-lime glass. The optical and ac...
ABSTRACT General properties of wetting transitions for droplets on rough substrates are analyzed ... more ABSTRACT General properties of wetting transitions for droplets on rough substrates are analyzed theoretically. The energy barrier to be surpassed for wetting transitions is much lower than the heat of evaporation of the droplet; this makes wetting transitions possible. It is shown that the energy curve of the transition state, i.e., the dependence of the interfacial part of the Gibbs free energy on the apparent contact angle in this state, as well as the energy barriers, can be expressed through the contact angles in the initial and final states without going into the geometric details of the given substrate relief. On this basis, the reason for the irreversibility of the Cassie–Wenzel transitions is elucidated: the energy barrier of the reverse transition is shown to be much higher. The scheme is also applicable to the substrates with disordered reliefs. Time-scaling arguments are important for understanding wetting transitions.
A correction to this article has been published and is linked from the HTML and PDF versions of t... more A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
The authors analyzed the motion of diamagnetic bodies that float on diamagnetic liquids. The moti... more The authors analyzed the motion of diamagnetic bodies that float on diamagnetic liquids. The motion was inspired by the deformation of the diamagnetic liquid surface by a magnetic field, called the ‘Moses effect’. The influence of the surface tension on the shape of the well pushed out by the steady magnetic field (B ≅ 0·35T) acting on the surface of the liquid was studied both experimentally and theoretically for water, silicone oil and aqueous surfactant solution. The suggested mathematical approach accurately predicted the shape of the well, depending on the surface tension of the liquid. Qualitative analysis is reported regarding the motion of floating diamagnetic polymers and metallic objects driven by the Moses effect. The impact of the bulk magnetic force on the motion is minor for all of the studied diamagnetic rafts. The influences of gravity and interfacial forces on the displacement of rafts may be of a comparable order of magnitude.
Book: Bioinspired Materials and Metamaterials: A New Look at the Materials Science
Etymology of t... more Book: Bioinspired Materials and Metamaterials: A New Look at the Materials Science Etymology of the word “material” stems from Late Latin māteriālis as well as from Latin māteria (“wood, material, substance”). Perhaps, the most surprising linguistic finding reveals that this etymology arises from māter (“mother”). Indeed, in a certain sense, the materials science is a mother of engineering and technology. Nothing may be produced without materials. Actually, the lion’s’ share of the overall technological progress is due to the progress in the materials science and engineering. Certain ancient periods of history are named after the material that was predominantly utilized at that time. The Stone Age, Bronze age, Iron age and the Polymer age reflect stages of development of materials science and engineering. It is hard to predict how the modern era will be named, but it is possible, that it will labeled as the Metamaterials Age. Our book is devoted to the evergreen materials science, more accurately speaking, to its newborn branches: bioinspired materials and metamaterials. Why one more book on the materials science? What is different about this book? Dozens of excellent books, devoted to the materials science, were published. Some of them may be definitely recommended to BSc and MSc students studying the materials science. More advanced courses are appropriate for engineers and experts in the field of the material science. So, why one more book devoted to the materials science is suggested? The present book is not intended to replace traditional courses surveying the materials science. It is focused on the breakthrough attained in the materials science, during last decades, namely rapid, explosive development of biomimetic materials and metamaterials. A glance at the Content pages will show Sections dealing with: The “lotus effect” and superhydrophobic materials. Rose petal effect Salvinia effect Shark-skin effect Gecko effect and novel adhesives Negative refractive index and related meta-materials, double-negative materials Acoustic metamaterials. Negative bulk modulus and negative Poisson’s ratio materials All of aforementioned chapters deal with the materials of XXI century, which are expected to replace the traditional metallic, polymer and ceramic-based solutions. What is common for bioinspired and meta-materials? They are materials with prescribed, tailor-designed properties, such as specific surface energy or refraction index. Development of bioinspired materials and metamaterials changed the philosophy of materials engineering and opened new technological possibilities inaccessible to the traditional materials science engineering. This switch in the engineering thinking became possible due to the fact, that recently developed artificial materials demonstrate properties that are not found in naturally occurring materials. The impact of metamaterials and biomimetic materials is well-expected to be enormous. If one can tailor and manipulate the properties of materials, significant decrease in the size and weight of components, devices, and systems along with enhancements in their appearance appear to be realizable. Moreover, materials with tailor-engineered properties enable design of the devices, which are, in principle, impossible with traditional materials. This switch in the engineering thinking became possible due to the fact, that recently developed artificial materials demonstrate properties that are not found in naturally occurring materials. The impact of metamaterials and biomimetic materials is well-expected to be enormous. If one can tailor and manipulate the properties of materials, significant decrease in the size and weight of components, devices, and systems along with enhancements in their appearance appear to be realizable. Moreover, materials with tailor-engineered properties enable design of the devices, which are, in principle, impossible with traditional materials. A number of books already appeared, which may be recommended to the students and engineers specialized in the materials science. However, the proposed book is the first textbook in the field, supplying to a reader a broad acquaintance with a profoundly scientifically grounded progress in the novel materials science. The aim of this book is to present new materials, to survey deeply scientific foundations of their design and properties and the way they enter engineering applications. How to read this book? The text is intended for engineering students who have completed courses in general physics, chemistry and calculus. To facilitate understanding, a brief description of key ideas from earlier mandatory courses is provided to help students refresh their memories. Based on these ideas, the book introduces first the physico-chemical foundations of bioinspired materials and metamaterials. The main notions and equations of the biomimetic and metamaterials science, such as: the refraction index, the surface tension, the contact angle, the Young equation, the Cassie-Baxter and Wenzel wetting models, Maxwell equations are treated in much detail. Based on this foundation the theoretical groundings of the bioinspired and meta-materials are developed. Numerous applications of biomimetic and metamaterials engineering are discussed, making the presentation practice-oriented and useful for both students and materials engineers. Numerous end-of-chapter problems are prepared to give the student practice in applying the principles, presented in each chapter.
Ушел из жизни Александр Владимирович Воронель: физик, философ, диссидент, литератор, учитель, дру... more Ушел из жизни Александр Владимирович Воронель: физик, философ, диссидент, литератор, учитель, друг. Оставленное им наследие громадно. Я буду говорить об оригинальной философии, осмысленной Александром Воронелем. Я определил бы ее как реалистический фундаментализм. Воронель не пытался вывести мир из человека; вектор его мышления направлен в противоположную сторону. Не мир может и должен быть познан через человека, но феномен человека подлежит осознанию через мир. Воронель не принимал протагоров тезис «человек есть мера всех вещей», ему вовсе не очевидно, что человек «есть мера всем вещам – существованию существующих, и несуществованию несуществующих». Мерою вещей могут быть только вещи, мерою идей - только идеи. Идеальный объект тем продуктивнее, чем далее он расположен от реальности. Загадка их встречи разрешается исключительно теологическим усилием. Последовательное осмысление приоритета реальности приводит Воронеля к обращению бессмертной декартовой формулы: «… мы русские выходцы, сохраняем детскую уверенность в своем существовании и существовании окружающего мира, просто поскольку мы действуем. Действуя, мы начинаем также верить, что это наше необоснованное существование в мире – ценность. Таким образом, про нас скорее можно было бы сказать, что мы мыслим лишь постольку поскольку мы существуем»
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Papers by Edward Bormashenko
Etymology of the word “material” stems from Late Latin māteriālis as well as from Latin māteria (“wood, material, substance”). Perhaps, the most surprising linguistic finding reveals that this etymology arises from māter (“mother”). Indeed, in a certain sense, the materials science is a mother of engineering and technology. Nothing may be produced without materials. Actually, the lion’s’ share of the overall technological progress is due to the progress in the materials science and engineering. Certain ancient periods of history are named after the material that was predominantly utilized at that time. The Stone Age, Bronze age, Iron age and the Polymer age reflect stages of development of materials science and engineering. It is hard to predict how the modern era will be named, but it is possible, that it will labeled as the Metamaterials Age. Our book is devoted to the evergreen materials science, more accurately speaking, to its newborn branches: bioinspired materials and metamaterials.
Why one more book on the materials science? What is different about this book?
Dozens of excellent books, devoted to the materials science, were published. Some of them may be definitely recommended to BSc and MSc students studying the materials science. More advanced courses are appropriate for engineers and experts in the field of the material science. So, why one more book devoted to the materials science is suggested? The present book is not intended to replace traditional courses surveying the materials science. It is focused on the breakthrough attained in the materials science, during last decades, namely rapid, explosive development of biomimetic materials and metamaterials. A glance at the Content pages will show Sections dealing with:
The “lotus effect” and superhydrophobic materials.
Rose petal effect
Salvinia effect
Shark-skin effect
Gecko effect and novel adhesives
Negative refractive index and related meta-materials, double-negative materials
Acoustic metamaterials.
Negative bulk modulus and negative Poisson’s ratio materials
All of aforementioned chapters deal with the materials of XXI century, which are expected to replace the traditional metallic, polymer and ceramic-based solutions. What is common for bioinspired and meta-materials? They are materials with prescribed, tailor-designed properties, such as specific surface energy or refraction index. Development of bioinspired materials and metamaterials changed the philosophy of materials engineering and opened new technological possibilities inaccessible to the traditional materials science engineering. This switch in the engineering thinking became possible due to the fact, that recently developed artificial materials demonstrate properties that are not found in naturally occurring materials. The impact of metamaterials and biomimetic materials is well-expected to be enormous. If one can tailor and manipulate the properties of materials, significant decrease in the size and weight of components, devices, and systems along with enhancements in their appearance appear to be realizable. Moreover, materials with tailor-engineered properties enable design of the devices, which are, in principle, impossible with traditional materials.
This switch in the engineering thinking became possible due to the fact, that recently developed artificial materials demonstrate properties that are not found in naturally occurring materials. The impact of metamaterials and biomimetic materials is well-expected to be enormous. If one can tailor and manipulate the properties of materials, significant decrease in the size and weight of components, devices, and systems along with enhancements in their appearance appear to be realizable. Moreover, materials with tailor-engineered properties enable design of the devices, which are, in principle, impossible with traditional materials.
A number of books already appeared, which may be recommended to the students and engineers specialized in the materials science. However, the proposed book is the first textbook in the field, supplying to a reader a broad acquaintance with a profoundly scientifically grounded progress in the novel materials science. The aim of this book is to present new materials, to survey deeply scientific foundations of their design and properties and the way they enter engineering applications.
How to read this book?
The text is intended for engineering students who have completed courses in general physics, chemistry and calculus. To facilitate understanding, a brief description of key ideas from earlier mandatory courses is provided to help students refresh their memories. Based on these ideas, the book introduces first the physico-chemical foundations of bioinspired materials and metamaterials. The main notions and equations of the biomimetic and metamaterials science, such as: the refraction index, the surface tension, the contact angle, the Young equation, the Cassie-Baxter and Wenzel wetting models, Maxwell equations are treated in much detail. Based on this foundation the theoretical groundings of the bioinspired and meta-materials are developed. Numerous applications of biomimetic and metamaterials engineering are discussed, making the presentation practice-oriented and useful for both students and materials engineers. Numerous end-of-chapter problems are prepared to give the student practice in applying the principles, presented in each chapter.