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04 June 2024 | Story Leonie Bolleurs | Photo Kaleidoscope Studios
Prof Hendrik Swart
Prof Hendrik Swart’s prolific publication record, the high impact of his work, and the outstanding quality of his scholarly contributions have placed him among the top 0,05% of all scholars worldwide.

ScholarGPS awarded Prof Hendrik Swart, Senior Professor in the Department of Physics at the University of the Free State (UFS), Highly Ranked Scholar status.

ScholarGPS celebrates Highly Ranked Scholars™ for their performance in various fields, disciplines, and specialties. Prof Swart’s prolific publication record, the high impact of his work, and the outstanding quality of his scholarly contributions have placed him among the top 0,05% of all scholars worldwide.

Prof Swart received Highly Ranked Scholar status (Lifetime) for ranking 16th in the discipline of Phosphor. Highly Ranked Scholars™ – Lifetime refers to distinguished authors, including those who are currently active, retired, or deceased. These scholars are recognised for their exceptional lifetime scholarly contributions, placing them in the top 0,05% of all scholars. Their achievements are evaluated across four categories: overall (across all fields), within their specific field of study, within their particular discipline, and across all specialties they are associated with.

Additionally, Prof Swart received Highly Ranked Scholar status (prior five years) for ranking first in Condensed Matter Physics, 42nd in Physics, 155th in Sensor, 207th in Physical Science and Mathematics, and 969th in all fields.

Scientific profile and credibility

ScholarGPS is a California-based company that applies artificial intelligence, data mining, machine learning, and other data science techniques to its massive database of more than 200 million publications and 3 billion citations to rank more than 30 million scholars and 55 000 institutions worldwide. They categorise more than 200 million scholarly publications into specific academic specialties. These specialties are further organised into 177 disciplines and 14 overarching fields. As a result of this extensive classification effort, scholars who are considered highly ranked within their respective fields can now be identified with greater precision. This identification is done not only within each academic specialty, but also across disciplines and fields, providing a comprehensive view of scholarly achievement and expertise. This system allows for the identification of top scholars within various areas of academic research in a way that was not possible before.

Prof Swart, who is an NRF B1-rated researcher, currently also holds the SARChI Research Chair: Solid-state Luminescent and Advanced Materials (2023-2027). On receiving this award from ScholarGPS, he says it is always a privilege to be recognised as one of the top scholars in your specific field, especially at this late stage of his career.

Professionally, Prof Swart says this award may boost his scientific profile and credibility in the academic community, potentially leading to more collaborations and partnerships.

In the field of condensed matter physics, the impact of his work is specifically noteworthy in the study of defects and impurities within semiconductors, along with their practical applications in optoelectronic devices. Moreover, his significant contributions extend to understanding optical and electronic properties at the nanoscale, bearing implications for the development of semiconductor technology, including light-emitting diodes (LEDs), photovoltaic cells, and quantum dots.

Primarily focused on mentorship

He believes his successes in physics and advances in understanding the universe are the result of a combination of variables, including innovative research, collaboration and networking, mentorship, effective communication, persistence, and resilience. “I am primarily focused on mentorship, which is critical to developing the next generation of physicists and creating a supportive environment for learning and discovery, as well as conducting groundbreaking research and making novel discoveries that are critical to pushing the boundaries of physics. I am always searching for opportunities to collaborate with other scholars, both inside and outside my discipline, which will result in constructive exchange of ideas, interdisciplinary discoveries, and collective problem solving.”

News Archive

#Women'sMonth: Long hours in wind and cold weather help to reconstruct Marion Island’s glacial history
2017-08-10

 Description: Liezel Rudolph  Tags: Liezel Rudolph, Process Geomorphology, Marion Island, periglacial geomorphology, Department of Geography  

Liezel Rudolph, lecturer for second-year students in Process
Geomorphology at the University of the Free State (UFS).
Photo: RA Dwight

Liezel Rudolph, a lecturer for second-year students in Process Geomorphology, aims to reconstruct the glacial history of Marion Island through cosmogenic nuclide dating techniques. She is interested in periglacial geomorphology, a study of how the earth’s surface could be formed by ice actions (freezing and thawing of ice).

Liezel is a lecturer in the Department of Geography at the university and is researching landscape development specifically in cold environments such as Antarctica, the Sub-Antarctic islands, and high mountain areas. “My involvement with periglacial geomorphology is largely due to academic giants who have carved a pathway for South Africans,” says Liezel.

Liezel visited Marion Island for the first time during her honours year in 2011, when she investigated the impact of seals on soil conditions and vegetation. Three years later, she visited Antarctica to study rock glaciers.

The challenge of the job
A workday in Antarctica is challenging. “Our time in the field is very limited, so you have to work every possible hour when the weather is not life-threatening: from collecting soil samples, to measuring soil temperature and downloading data, we measure polygons and test the hardness of rocks. The only way to get the amount of work done, is to work long hours in wind and rain with a positive and competent team! We take turns with chores: the person carrying the notebook is usually the coldest, while the rest of us are stretching acrobatically over rocks to get every nook and cranny measured and documented.”

A typical workday
Liezel describes a typical workday: “Your day starts with a stiff breakfast (bacon and eggs and a bowl of oats) and great coffee! After that comes the twenty-minute dressing session: first a tight-fitting under-layer, a middle layer – sweater and T-shirt, and then the outer windbreaker (or a quilt jacket on an extra cold day). Then you start applying sunscreen to every bit of open face area. Beanie on, sunglasses, two pairs of socks, two pairs of gloves. The few kilograms of equipment, one vacuum flask containing an energy drink, one vacuum flask containing drinking water (it would freeze in a regular bottle), and a chocolate bar and piece of biltong for lunch. After this, we drive (on snowmobiles) or fly (in helicopter) to our study area for about eight hours of digging, measuring, downloading, testing and chopping. Back at the base and after a long and tiresome undressing session, we move to the lab with all our data to make sure that it is downloaded safely and captured onto a database. Afterwards, depending on the day of the week, we enjoy a good meal. If you are lucky, such a typical day will coincide with your shower day. We can only shower every second day due to the energy-intensive water production (we have to melt snow) and the sewage system (all the water has to be purified before it could be returned to the environment). Then you grab your eye shield (since the sun is not sinking during summer) and take a nap before the sun continues to shine into the next day.”

Theoretical knowledge broadened 
“Going into the field (whether island or mountains) provides me with an opportunity to test geomorphic theories. Without experience in the field, my knowledge will only be limited to book knowledge. With practical experience, I hope to broaden my knowledge so that I could train my students from experience rather than from a textbook,” says Liezel.

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