In this interview, we met with Oluwaseyi Ayinde, a PhD semiconductor researcher at the University of Arkansas. Ayinde works at the intersection of materials science and electronics, focusing on the growth and fabrication of advanced semiconductor materials and the development of functional devices. By testing and analyzing these devices, he explores ways to improve efficiency, performance, and reliability in next-generation electronic systems.
Looking ahead, Ayinde envisions his career as a bridge between discovery and application. By advancing semiconductor research while mentoring the next generation of engineers, he aims to translate experimental insights into practical innovations that enhance the way technology works and impacts everyday life
Could you describe the specific area of semiconductor technology you are focusing on for your PhD, and what makes it interesting or challenging?
My PhD research focuses on semiconductors and Optoelectronics devices, in simple terms, the materials and technologies that make things like high-speed electronics, lasers and advanced sensors possible. Right now, I am working on ultra-thin layered semiconductors, with unique electrical and optical properties. These materials are exciting because they open new possibilities for making electronics so thin and light that they can bend or fit onto a sticker. I am also working on improving the design and performance of semiconductor power modules and novel materials for next-generation chips.
I chose this area because, semiconductors are literally the backbone of modern technology from smartphones to AI supercomputers, so every breakthrough in this field has ripple effects across all tech fields. The challenge is that we constantly push the limit of physics, shrinking devices to the nanoscale, and at the same time reduce energy loss and navigate complex fabrication processes. But that is also what makes it exciting because every breakthrough is a step closer to faster, smaller, more efficient and cost-effective technologies.
What innovative or novel techniques are you exploring to address a particular problem in semiconductor fabrication or design?
One technique I am currently pursuing is the growth and fabrication of devices from III-V semiconductors and nanomaterials. One of these is Rhenium disulfide ReS₂ , an emerging layered semiconductors with unique anisotropic properties that could open new device possibilities, but the challenge lies in achieving controlled growth and translating that into functional devices. By attempting to fabricate and test devices directly from these nanocrystals, we are addressing that bottleneck head-on.
At the same time, I am combining experimental growth with advanced characterization and simulation tools. This dual approach allows me to not just test the devices we make, but to understand why they behave the way they do thereby bridging the gap between theoretical potential and practical performance. It’s that back-and-forth loop between growth, measurement, and modeling that makes this technique both innovative and effective in tackling the complexities of next-generation semiconductors
What do you envision as the potential real-world impact or applications of your PhD research in the semiconductor industry or society?
The potential impact of my PhD research spans both the semiconductor industry and society at large. On the industry side, my work with two-dimensional materials like ReS₂ and TMDs could enable ultra-scaled, energy-efficient devices, which are critical for pushing beyond the limits of current silicon technology. Similarly, improving the design of next-generation chips can help meet the growing demands of high-performance computing, electric vehicles, and renewable energy systems.
But the impact doesn’t stop there. These same breakthroughs could translate into more efficient power conversion that reduces energy loss across the grid, or sensors that make medical diagnostics and environmental monitoring faster and more accessible. Ultimately, what excites me is that advances in semiconductors ripple outward, a new material or device concept in the lab today could power the tools that make societies healthier, cleaner, and more connected tomorrow
What are some of the most significant hurdles you’ve encountered in your research so far, and how have you approached overcoming them?
One of the most significant hurdles in my PhD journey has been growing high-quality crystals and fabricating reliable devices. This is tricky because even slight variations in conditions can alter the outcome. It demands patience, precision, and learning to embrace trial and error.
Another challenge has come from my Research Assistant Position at HiDEC, where I’m helping design and test semiconductor power modules. Here the hurdle is different: balancing high performance with low cost so that the modules are not only advanced, but also practical enough for students to learn from. It pushed me to think more creatively, sometimes the most valuable innovation is the one that can be built, tested, and taught.
Beyond the technical side, moving to the U.S. for my PhD also brought personal hurdles. Adjusting to a new academic culture, building a support network from scratch, and balancing intense research with personal growth has not always been easy. But just like in the lab, I learned to approach it step by step: leaning on mentors, collaborating widely, and staying connected to communities like National Society of Black Engineers (NSBE).
In the end, both challenges has transformed me into a more resilient and adaptable researcher.
In your opinion, what are the most significant emerging trends or technologies that will shape the future of the semiconductor industry in the next 5-10 years?
In the next decade, semiconductor research will be shaped by several converging forces.
First, as miniaturization of devices reaches physical and quantum limits, emerging materials and neuromorphic architectures will be needed to sustain performance.
Second, sustainability will drive greener fabrication methods, recyclable materials, and energy-efficient processes, aligning technological progress with global climate and resource goals.
Finally, AI and Machine Learning will speed up device design by replacing trial and error with data-driven optimization. Alongside these technical shifts, two broader forces will also play a role: the growing pressure for sustainable chip manufacturing as AI and cloud computing increase energy demands, and the drive for supply chain resilience, as nations push to secure local semiconductor production.
What strategies do you employ to stay updated on the rapid pace of innovation and advancements within the semiconductor field?
Semiconductors move so fast that staying updated is almost like having a second job.
I stay updated through three main strategies, First, I follow leading journals and conferences like IEEE, Nature Electronics, and major semiconductor symposia, to see the latest peer-reviewed work.
Second, I engage the community through seminars, collaborations and professional networks like NSBE, APS, which often highlight trends you won’t immediately find in publications.
Third, I balance academic updates with industry roadmaps from companies Intel, NVIDIA, AMD, testing newly realized concepts through my own modeling and simulations.
Most importantly, I maintain a curious, cross disciplinary mindset, which helps in correcting ideas.
How do you see your research connected with other areas, such as artificial intelligence, new materials, or quantum computing, in the context of semiconductor advancements?
My research connects with artificial intelligence, new materials, and quantum computing through functionality and integration.
On the materials side, the exploration of ReS₂ and other TMDs, expands device architectures, enabling flexible platforms and sensors where silicon falls short.
For AI, I focus on hardware adaptations, such as bringing memory and logic closer together in neuromorphic layouts to improve speed and responsiveness at the edge. In quantum computing, advances in nanoscale fabrication and materials from semiconductor research provide the foundation for building and stabilizing devices. Overall, my work contributes to these intersections, turning materials and device innovations into platforms that other fields can build upon Looking ahead, I see the real opportunity in how semiconductor research links disciplines. My role is to contribute at those intersections by turning advances in materials and device design into platforms that AI, quantum, and other emerging fields can build upon.
Describe a complex technical problem you’ve faced in your research and the analytical steps you took to arrive at a solution.
In one experiment, I struggled to achieve uniform material quality, leading to unpredictability and deviation in expected device performance.
To solve this, I approached the problem step by step. First, I broke down the experimental parameters, temperature, growth rate, and substrate preparation. Then, I varied them systematically rather than changing everything at once. Concurrently, I employed spectroscopy and microscopy to map structural and electrical properties.
Cross-checking this feedback with simulations and literature helped identify the most sensitive variables and finetune them. At the same time, I adjusted the device design to tolerate minor variations, so the process became more robust overall.
This iterative approach turned an unreliable process into a consistent one that produces good results. This experience taught me that even the most technical challenges can be solved by breaking them into smaller parts, validating each step, and keeping an open, adaptive mindset
What communication strategies do you find most effective when collaborating with others on a research project, especially when faced with conflicting ideas
In collaborative research, I’ve found that the most effective strategy is to start by listening carefully to understand where each perspective is coming from. Often, conflicting ideas are not actually opposites but reflections of different priorities, for example, one person may focus on experimental feasibility while another emphasizes theoretical rigor.
I make it a point to restate others’ viewpoints clearly before presenting my own. This not only shows respect but also ensures we’re debating the same issue and not talking past each other. When there is disagreement, I encourage the use of data or small pilot experiments to ‘test’ ideas rather than relying on opinions alone thereby letting evidence guide the way forward.
Equally important is being transparent about goals and constraints, so that decisions are made in the context of what the team is trying to achieve. I also believe in framing the conversation positively: instead of asking ‘which idea is right,’ I ask ‘how can we integrate the strengths of both ideas into a better solution?’
By combining active listening, data-driven validation, and constructive framing, I have been able to turn potential conflicts into opportunities for stronger collaboration and more innovative outcomes
How do you approach and manage projects that involve a significant degree of uncertainty, such as those common in cutting-edge semiconductor research?
In cutting-edge semiconductor research, uncertainty is almost guaranteed, whether it is about material behavior, device performance, or scaling a process. I approach it by first breaking the project into smaller, testable steps. Instead of trying to solve everything at once, I identify the parameters with the highest uncertainty and design experiments to quickly probe those areas. This helps narrow down the unknowns and keeps the project moving forward.
I also rely on a mix of theory, simulation, and experimental feedback. Modeling gives me a framework of what should happen, experiments reveal what happens and comparing the two helps refine both the design and my understanding.
For example, in one project, the devices I fabricated showed inconsistent performance at the beginning, which made it hard to tell if the problem was with the material growth, the design, or the testing conditions. Rather than overhauling everything, I isolated each stage by first testing the growth parameters alone, then adjusting the device layout, and finally refining the measurement setup. That step-by-step breakdown not only revealed the source of the issue but also gave me a more reliable process moving forward.
Ultimately, I see uncertainty not as a barrier but as the space where innovation happens. By breaking problems down, testing strategically, and staying adaptive, I’ve been able to turn ambiguity into opportunities for discovery
