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Hello!
Drawing the line between the old and the new, I am bridging my parents with my son. With a boy aged a little over a year, it is of the utmost importance that we keep pushing for changes in our society, our schools, and above all, in our life. Our children are the next generation, let’s make sure they’re prepared, and they get the best they deserve, together.
Also, make them aware that “Life is what happens to you, While you’re busy making other plans!”
Professionally, I am a scientist with a Ph.D. in Nanotechnology. I seek knowledge to mature our fundamental understanding of materials science and device technologies. To this end, I research and develop materials and technologies for emerging devices for various applications. My research achievements have been published in many prestigious international journals and featured in many news media and online blogs.
Meet my son, NEEVAN!
Short Bio
Bangladesh is my motherland, and I miss that amazing country! I have been living in a few other countries because of my academic and professional career. Currently, I live in beautiful Santa Barbara on the Pacific coast in California, USA. My life story in short-
I was born in Chitalmari, Bagerhat, Bangladesh
1986
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Graduated from BCIC College, Mirpur, Dhaka (Higher Secondary)
2003
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Obtained Bachelor of Science (B.Sc.) in Physics from Shahjalal University of Science & Technology, Sylhet, Bangladesh
2010
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Started Master of Science at the Department of Physics at Lund University, Sweden
2011
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Obtained Master of Science (M.Sc.) in Physics with major in Nanoscience from Lund University, Sweden
2013
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Started Ph.D. at the Nanotechnology group with Prof. Heiko Jacobs at Technical University Ilmenau, Germany
2013
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Got married to Ranita R. Paul
2014
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Defended my Ph.D. dissertation and graduated with “summa cum laude”
2018
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Joined the University of California, Santa Barbara (UCSB) as a postdoctoral scholar
2018
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My father passed away
2018
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My son ‘Neevan’ is born
2019
Hobbies
I am a human being and enjoy the company of others. Gossiping with friends, meeting new people, and making new friends are a few things I like most. However, my inner exploratory nature inspires me to travel to new places. I also enjoy watching movies at home or in theaters. I am not a fan of any particular genre; try to enjoy almost any movie. So far, I have watched some 3300+ movies, and many of those I enjoyed several times. I also have interest in photography, although I am an amateur. Check some of my shots here.
And, recently I found out that I adore the most the company of my son!
Research Interest
My research is deeply motivated by the possibilities of the emerging soft and wearable electronics. This emerging technology possesses interesting mechanical properties that closely match the biological tissues’ mechanical properties, opening a wide range of potential applications that rigid conventional electronics cannot achieve effectively. My contribution to advance this field includes addressing the materials, manufacturing, assembly, and packaging challenges. I invented a unique hybrid manufacturing method to realize soft electronic circuits compatible with industrial manufacturing processes. Based on this method, I developed various soft, conformable devices that led to many exciting publications in journals including Nature Communications, Advanced Materials, Nature Asia Materials, Advanced Materials Technologies, Applied Physics Letters, and many others.
A demonstration of inflated lighting structure. The stretchable electronics can deformed and morph to various types of shapes. Read more
My Inventions
I invented a unique fabrication method to realize integrated stretchable circuits using hybrid manufacturing methods on a rigid carrier, which is compatible with industrial manufacturing processes. This method has several benefits over other existing methods in this field. I demonstrated the promise of this method by realizing several soft and stretchable electronics, optoelectronics, acoustoelectronics, sensors, wearable health-monitoring devices, and many others. Each of these integrated, soft devices shows the unique functionality of being shape adaptive. I also engineered a roll-to-roll self-assembly machine to assemble micro-scale chips and electronics components with a yield of over 99%.
Metamorphic Stretchable Electronics
I have invented the field of “Metamorphic Electronics.” These are the electronics or electronic systems that are stretchable and deformable. They morph to adapt to a new topology and form factor. I have demonstrated that this new type of shape-adaptive 3D electronics shows functionalities beyond 2D planar devices. Such devices will find many new applications in consumer electronics, health monitoring, bioengineering, packaging, sensing, communications, internet-of-things, soft robotics, human-machine interfaces, and many others.
Metamorphic electronics allow us to deform the electronics or electronic systems in various shapes without altering its electrical performance. A spherical lighting ball can be produced by air inflation of LED arrays integrated into a stretchable substrate.
I envision a new era of electronics through enabling metamorphic electronics, where electronic devices can adapt their shapes and functions when needed. Developing such electronics requires designing devices that can sustain different strain at different locations on its surface to accommodate desire shapes. Once fully developed, most electronic systems known to humankind could morph to take on new exciting form factors in the future.
One of my metamorphic electronics demonstrators was an acoustic sensor array realized using MEMS microphones integrated into a soft and stretchable substrate. The microphone array can deform from a concave to a planar to a convex shape by deflation and inflation. This physical deformation of the sensor array can change devices receive and transmission characteristics in real-time. Read more
Wearable Healthcare Devices
One of the most remarkable advances in healthcare and medicine has been the development and application of new soft and wearable electronic methods for monitoring the physiological state of the body. I am also interested in exploring this area in my research and have been developing such devices using emerging technologies.
Health monitoring often benefits from intimate contact between sensors and the body surface. In noninvasive applications, sensors must often be maintained in intimate contact with the skin. To this aim, I developed soft and wearable optoelectronics sensors using photodiodes and phototransistors that can form intimate contact with the body and can measures peripheral hemodynamics. Read more
Roll-to-Roll Manufacturing
I also posses interest in roll-to-roll manufacturing of soft and flexible electronics. To this end, we developed the first roll-to-roll fluidic self-assembly on the ribbon-like flexible substrates using microscopic chips, achieving more than 99% yield with an assembly rate of 15k chips/hour exceeding existing robotic pick-and-place assembly at that scale.
Roll-to-roll self assembly driven by surface tension on flexible and stretchable substrates with high yield.
Bio-Integrated Electronics
I also posses interest in roll-to-roll manufacturing of soft and flexible electronics. To this end, we developed the first roll-to-roll fluidic self-assembly on the ribbon-like flexible substrates using microscopic chips, achieving more than 99% yield with an assembly rate of 15k chips/hour exceeding existing robotic pick-and-place assembly at that scale.
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