Breakthrough 2023: LK-99 World’s First Room Temperature Superconductor Achieved

Breakthrough 2023: World's First Room Temperature Superconductor Achieved

The discovery of LK-99 could be a significant step forward in the search for room temperature superconductor.

Breakthrough Discovery of Room Temperature Superconductor 

We just stumbled upon some exciting news in the world of superconductors! Recently, a team of brilliant researchers from the Quantum Energy Research Centre in South Korea, including Sukbae Lee, Ji-Hoon Kim, and Young-Wan Kwon, has been making waves. They’ve published a fascinating paper on arXiv, dated July 23, 2023, unveiling their remarkable creation – They Claimed to have created a room temperature superconductor they’ve named LK-99.

LK-99 is a modified lead-apatite structure that has a critical temperature of 127°C, which is above room temperature. The researchers attribute the superconductivity of LK-99 to a minute structural distortion that is caused by the substitution of Cu2+ ions for Pb2+ ions in the insulating network of Pb(2)-phosphate. This distortion creates superconducting quantum wells (SQWs) at the interface between the cylindrical columns of LK-99.

The potential applications of LK-99 are wide-ranging. It could be used in high-efficiency power transmission, quantum computing, and medical imaging. It could also be used to develop new types of sensors and actuators.

Of course, it is too early to say for sure what the future holds for LK-99. However, the discovery of this material is a significant step forward in the search for room temperature superconductor.

What is A Superconductor and What are its Properties?

A superconductor is a material that exhibits zero electrical resistance and expels magnetic fields when cooled below a critical temperature. In other words, it allows the flow of electrical current with almost no loss of energy and can completely repel magnetic fields.

At temperatures above the critical temperature, the material behaves like a regular conductor, but once it is cooled below the critical temperature, the electrical resistance drops to zero. This phenomenon is known as superconductivity.

Superconductors have several fascinating properties, and some of the most notable characteristics include:

Room Temperature Superconductor 2023
  • Zero electrical resistance: Superconductors can conduct electricity without any loss of energy due to resistance. This property makes them extremely efficient for electrical applications.
  • Perfect diamagnetism: When a superconductor is cooled below its critical temperature, it expels almost all magnetic fields from its interior. This effect is known as the Meissner effect and causes the superconductor to repel magnetic fields, making it an excellent material for creating powerful magnets.
  • Critical temperature: Each superconductor has a specific critical temperature above which it behaves as a normal conductor and below which it becomes superconductive. The critical temperature varies depending on the material.
  • Type I and Type II superconductors: Superconductors are classified into Type I and Type II based on their response to magnetic fields. Type I superconductors have a single critical magnetic field, while Type II superconductors have two critical magnetic fields and can tolerate stronger magnetic fields.

What Are The Tests To Confirm Superconductor at Room Temperature?


The superconductivity at room temperature for LK-99 was confirmed by a number of tests, including the Meissner effect, zero resistance, critical temperature, critical current density, and critical magnetic field. In addition, the researchers also performed a number of other tests to characterize LK-99, such as X-ray diffraction, X-ray photoelectron spectroscopy, electron paramagnetic resonance spectroscopy, heat capacity, and superconducting quantum interference device (SQUID) data.

  • Meissner effect: The researchers placed a sample of LK-99 in a magnetic field and then cooled it below its critical temperature. They observed that the magnetic field was expelled from the interior of the sample, which is a characteristic of superconductors.
  • Zero resistance: The researchers measured the resistance of a sample of LK-99 as it was cooled below its critical temperature. They observed that the resistance dropped to zero, which is another characteristic of superconductors.
  • Critical temperature: The researchers determined the critical temperature of LK-99 by measuring the temperature at which the resistance dropped to zero. They found that the critical temperature of LK-99 was 127°C.

The results of these tests provide strong evidence that LK-99 is a superconductor. 

Note: However, it is important to note that the paper has not yet been peer-reviewed, so it is possible that the results will be challenged by other scientists.

The discovery of room temperature superconductor LK-99 is a significant breakthrough in the field of superconductivity. If the results of the paper are confirmed, then LK-99 could have a number of important applications, such as in high-efficiency power transmission, quantum computing, and medical imaging.

Possible Uses Of Room Temperature Superconductor Today and Beyond

Here are some of the uses of room temperature superconductor:

  • Magnetic resonance imaging (MRI): MRI machines use superconducting magnets to create strong magnetic fields that are used to image the human body. The images produced by MRI machines are used to diagnose a wide range of medical conditions, including cancer, heart disease, and stroke.
  • Particle accelerators: Superconducting magnets are used in particle accelerators to focus and steer high-energy particles. Particle accelerators are used to study the fundamental particles of nature and to develop new medical treatments.
  • Power transmission: Superconducting cables could be used to transmit electricity over long distances with very little loss of energy. This would lead to significant savings in energy costs and would also reduce pollution.
  • Maglev trains: Maglev trains use superconducting magnets to levitate above the tracks, which allows them to travel at very high speeds. Maglev trains are already in operation in a number of countries, and they have the potential to revolutionize the way we travel.
  • Quantum computing: Superconductors could be used to build quantum computers, which are machines that could solve problems that are currently impossible for traditional computers. Quantum computers could be used to develop new drugs, design new materials, and break current encryption standards.
  • Medical imaging: Superconductors could be used to develop new medical imaging techniques that could provide more detailed images of the human body. These images could be used to diagnose diseases earlier and to develop new treatments.
  • Energy storage: Superconductors could be used to develop new energy storage technologies that could store large amounts of energy for long periods of time. This would make it possible to store renewable energy, such as solar and wind power, and to use it when it is needed most.

These are just a few of the many potential applications of room temperature superconductors. With the development of new superconducting materials, we can expect to see even more amazing applications of superconductors in the years to come.

Update: The Latest on LK-99’s Quest to Become a Superconductor

In our earlier report, we discussed the intriguing substance LK-99, which researchers Lee Sukbae and Kim Ji-Hoon from Korea University initially thought could be a room-temperature superconductor, holding the promise of transformative advancements in power delivery and supercomputing. However, as of mid-August 2023, a consensus emerged among scientists that LK-99 does not exhibit superconducting properties at any temperature and functions as an insulator in its pure form.

But the story of LK-99 continues to evolve, offering new hope for its potential as a superconductor. Recent theoretical research and an updated patent have reignited interest in this material. The updated patent details two innovative techniques for synthesizing the critical superconducting components within LK-99, with one approach involving solid-state synthesis, resulting in a crystal-like compound called copper-doped lead apatite.

Despite these developments, the full picture of LK-99 remains elusive, underscoring the need for further research to comprehensively comprehend its properties. Currently, the original samples of LK-99 are undergoing a rigorous review process within an academic journal. Once this review is concluded, these samples will be made available to the Korean Superconducting Society Committee.

As we eagerly anticipate the results of this ongoing investigation, the possibility of LK-99 emerging as a superconductor continues to captivate the scientific community, reminding us of the dynamic nature of scientific discovery.

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