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<div style="text-align:center; font-size:180%; line-height:1.35em;">Topological Quantum Matter Engineering Lab</div>


Our group's specialty is growth and transport study of thin films grown by Molecular Beam Epitaxy (MBE). Our custom-designed MBE system has a number of unique capabilities that facilitate atomic-scale engineering of a variety of novel material systems. Utilizing these unique capabilities, we are actively investigating topological insulators, complex oxides and their heterostructures. Such heterostructures could yield new physics and devices that are intriguing both intellectually and technologically. We are currently one of the leading groups in thin film topological insulators.
[[File:GroupPhoto5.jpg|frame|center]]
 
Welcome to Topological Quantum Matter Engineering Lab!!
 
We are scientific explorers looking for previously-unknown territories in the vast ocean of quantum and topological materials. Our flagship is a uniquely-built hybrid molecular beam epitaxy system capable of creating various artificial materials with atomic precision, supported by a variety of other advanced tools and collaboration teams. With these unique capabilities, we explore a range of hybrid thin film quantum materials including topological insulators, topological superconductors, Weyl/Dirac semimetals, materials for superconducting and topological quantum computation, 2D materials, and correlated oxides, searching for new physics and materials for quantum and topological applications.  
 
If you would like to share the excitement of discoveries while exploring the unknown phase space of quantum and topological materials, you are welcome to join the Topological Quantum Matter Engineering Lab!!


== News ==
== News ==
(Nov. 2015) Nikesh, Matt, and Maryam's record surface mobility and quantum Hall effect appeared in Nano Letters: http://dx.doi.org/10.1021/acs.nanolett.5b03770
(2025) Prof. Seongshik Oh is elected as a 2025 Fellow of American Physical Society (APS) through the Topical Group on Quantum Materials Synthesis (GQMS), "For advances in the MBE growth of chalcogenide thin films and defect engineering in 2D materials."
 
(2025) Prof. Seongshik Oh's postdoc supervisor, Prof. John M. Martinis, won Nobel Prize in Physics 2025!!
 
(2025) Prof. Seongshik Oh is elected as the Chair-Elect (till Dec. 2026) for Topical Group on Quantum Materials Synthesis (GQMS) in APS.
 
(2025) Prof. Seongshik Oh, named (2022-2024) Top Scholars in the area of Topological Insulator by ScholarGPS: https://scholargps.com/top-scholars?year=2024&ranking_duration=LIFETIME&specialty=Topological+insulator&p=3&e_ref=dff89961d7e1fa7c41a7#48
 
(2025) Our lab's undergrad alumnus, Aravind Devarakonda (Assistant Professor, Columbia University) has won the Materials Synthesis Junior Fellowship from Gordon and Betty Moore Foundation. 
 
(2025) Interview of Prof. Seongshik Oh with "ScienceNews" magazine cited in https://www.sciencenews.org/article/dark-matter-axions-quasiparticles, regarding the recent discovery of an axion-like quasiparticle related to dark matter, in a thin topological quantum material.


(Sep. 2015) Maryam's invited paper appeared in APL Materials: http://dx.doi.org/10.1063/1.4931767
(2025) KSEA NJ&NY Youtube interview with Prof. Seongshik Oh, regarding quantum materials and other areas of physics (in Korean): https://youtu.be/phlaKj40Y3o


(June 2015) Matt's invited paper appeared in the special issue of Solid State Communications: http://dx.doi.org/10.1016/j.ssc.2014.10.021
(2024) Interview with Prof. Seongshik Oh in the KSEA NJ & NY YouTube channel (In Korean): https://www.youtube.com/watch?v=SoMHR8AVXC4&t=16s&ab_channel=KSEANJ%26NY


(Oct. 2014) Details on Prof. Oh's ''Moore Materials Synthesis Investigators Award'' have appeared on the Foundation's website:
(2023) Three of our recent materials breakthroughs are featured in Army Research Office's 2022 Review, under the title of "[[Media:ARO2022.pdf|High-Temperature and Tunable Quantum Magnetic Materials]]" [https://arl.devcom.army.mil/wp-content/uploads/sites/3/2023/06/ARO-YEAR-IN-REVIEW-2022-WEB-FINAL.pdf].
http://www.moore.org/grants/list/GBMF4418?cat=01ddf360-a10f-68a5-8452-ff00002785c8 and http://www.moore.org/programs/science/emergent-phenomena-in-quantum-systems/investigators/


(Aug. 2014) Matt's work (http://dx.doi.org/10.1103/PhysRevLett.113.026801) is featured as the ''Editors' Choice'' in Science Magazine: http://www.sciencemag.org/content/345/6200/twil.full#compilation-1-3-article-title-1
(2022) Our lab's undergrad alumnus, Bharath Kannan, co-founded Atlantic Quantum as the CEO.


(Aug. 2014) Prof. Oh selected as one of the twelve ''Moore Materials Synthesis Investigators'' nationwide:
(2022) Our recent work on topological phase transitions probed by higher harmonics is featured in the News and Views article in Nature Photonics: https://www.nature.com/articles/s41566-022-01063-2
http://www.moore.org/programs/science/emergent-phenomena-in-quantum-systems/materialssynthesisinvestigators
And also here: https://www6.slac.stanford.edu/news/2022-08-18-exploring-quantum-electron-highways-laser-light.aspx

Latest revision as of 20:08, 16 October 2025

Topological Quantum Matter Engineering Lab
GroupPhoto5.jpg

Welcome to Topological Quantum Matter Engineering Lab!!

We are scientific explorers looking for previously-unknown territories in the vast ocean of quantum and topological materials. Our flagship is a uniquely-built hybrid molecular beam epitaxy system capable of creating various artificial materials with atomic precision, supported by a variety of other advanced tools and collaboration teams. With these unique capabilities, we explore a range of hybrid thin film quantum materials including topological insulators, topological superconductors, Weyl/Dirac semimetals, materials for superconducting and topological quantum computation, 2D materials, and correlated oxides, searching for new physics and materials for quantum and topological applications.

If you would like to share the excitement of discoveries while exploring the unknown phase space of quantum and topological materials, you are welcome to join the Topological Quantum Matter Engineering Lab!!

News

(2025) Prof. Seongshik Oh is elected as a 2025 Fellow of American Physical Society (APS) through the Topical Group on Quantum Materials Synthesis (GQMS), "For advances in the MBE growth of chalcogenide thin films and defect engineering in 2D materials."

(2025) Prof. Seongshik Oh's postdoc supervisor, Prof. John M. Martinis, won Nobel Prize in Physics 2025!!

(2025) Prof. Seongshik Oh is elected as the Chair-Elect (till Dec. 2026) for Topical Group on Quantum Materials Synthesis (GQMS) in APS.

(2025) Prof. Seongshik Oh, named (2022-2024) Top Scholars in the area of Topological Insulator by ScholarGPS: https://scholargps.com/top-scholars?year=2024&ranking_duration=LIFETIME&specialty=Topological+insulator&p=3&e_ref=dff89961d7e1fa7c41a7#48

(2025) Our lab's undergrad alumnus, Aravind Devarakonda (Assistant Professor, Columbia University) has won the Materials Synthesis Junior Fellowship from Gordon and Betty Moore Foundation.

(2025) Interview of Prof. Seongshik Oh with "ScienceNews" magazine cited in https://www.sciencenews.org/article/dark-matter-axions-quasiparticles, regarding the recent discovery of an axion-like quasiparticle related to dark matter, in a thin topological quantum material.

(2025) KSEA NJ&NY Youtube interview with Prof. Seongshik Oh, regarding quantum materials and other areas of physics (in Korean): https://youtu.be/phlaKj40Y3o

(2024) Interview with Prof. Seongshik Oh in the KSEA NJ & NY YouTube channel (In Korean): https://www.youtube.com/watch?v=SoMHR8AVXC4&t=16s&ab_channel=KSEANJ%26NY

(2023) Three of our recent materials breakthroughs are featured in Army Research Office's 2022 Review, under the title of "High-Temperature and Tunable Quantum Magnetic Materials" [1].

(2022) Our lab's undergrad alumnus, Bharath Kannan, co-founded Atlantic Quantum as the CEO.

(2022) Our recent work on topological phase transitions probed by higher harmonics is featured in the News and Views article in Nature Photonics: https://www.nature.com/articles/s41566-022-01063-2 And also here: https://www6.slac.stanford.edu/news/2022-08-18-exploring-quantum-electron-highways-laser-light.aspx

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