Research output per year
Research output per year
Personal profile
Author IDs
ORCID iD: 0000-0002-4648-3576
Scopus Author ID: 56467498100
Impact
Biography
Dr. Junzhang Ma joined the department of physics, City University of Hong Kong as an assistant professor in the January of 2021. He got the degree of Doctor of Phylosophy in 2017 from institute of physics (IOP), Chinese Academy of Science after finishing the PhD research in Prof. Hong Ding’s group. Before that he obtained Bachelor's Degree from department of physics in Jilin University. He furthered his research career as a joint postdoctoral fellow in Swiss Light Source, Paul Scherrer Institute (PSI) and École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland supported by Prof. Ming Shi (Senior Scientist, PSI Director Assistant) and Prof. Joël Mesot (current President of ETH, and former Director of PSI, former Proffessor of EPFL).
Dr. Ma’s research mainly focuses on electronic structure of topological materials, superconductivity, low-dimensional materials, and correlated materials, studing by Angle Resolved Photoemission Spectroscopy (ARPES). His current research interests contain: 1) electronic structure of topological materials including Dirac/Weyl semimetal, topological insulator, axion insulator, and topological superconductor, 2) unconventional superconductor, 3) coexistence of magnetic order with topological or superconducting states, 4) correlated systems: polaron and charge/spin density wave (CDW/SDW), trions, excitons, other new quantum phenomena induced by electron-boson coupling effect in low dimensional materials.
Dr. Ma has 50 publications in high-impact journals, e.g., 2 in Nature, 3 in Nature Physics, 1 in Nature Materials, 5 in Science Advances, 4 in Nature Communications, 2 in Physics Review X, 6 in Physics Review Letters, 1 in Advance Materials, 2 in Nano letters, 6 in PRB, etc. These works include many breakthrough researches such as the discoveries of Weyl semimetal, three component Fermion, Hourglass Fermion, fluctuated magnetic Weyl Fermion, mobile excitons in 1-D metal, etc.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Collaborations from the last five years
Recent external collaboration based on locations. Dive into details by clicking on the dots or
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Angle resolved photoemission spectroscopy study of excitons in quantum materials
Ma, J. & Shi, M., Aug 2025, In: Science China: Physics, Mechanics and Astronomy. 68, 8, 18 p., 287001.Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
1 Citation (Scopus) -
Bulk band structure of RuO2 measured with soft x-ray angle-resolved photoemission spectroscopy
Lin, Z. (Co-first Author), Chen, D. (Co-first Author), Lu, W. (Co-first Author), Liang, X., Feng, S., Yamagami, K., Osiecki, J., Leandersson, M., Thiagarajan, B., Liu, J., Felser, C. & Ma, J., 30 Apr 2025, In: Physical Review B. 111, 13, 134450.Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Open AccessFile9 Citations (Scopus)32 Downloads (CityUHK Scholars) -
Signature of Topological Surface Bands in Altermagnetic Weyl Semimetal CrSb
Lu, W. (Co-first Author), Feng, S. (Co-first Author), Wang, Y. (Co-first Author), Chen, D. (Co-first Author), Lin, Z., Liang, X., Liu, S., Feng, W., Yamagami, K., Liu, J., Felser, C., Wu, Q. & Ma, J., 7 May 2025, In: Nano Letters. 25, 18, p. 7343–7350Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Open AccessFile21 Citations (Scopus)12 Downloads (CityUHK Scholars) -
Anomalous electrons in a metallic kagome ferromagnet
Ekahana, S. A., Soh, Y., Tamai, A., Gosálbez-Martínez, D., Yao, M., Hunter, A., Fan, W., Wang, Y., Li, J., Kleibert, A., Vaz, C. A. F., Ma, J., Lee, H., Xiong, Y., Yazyev, O. V., Baumberger, F., Shi, M. & Aeppli, G., 7 Mar 2024, In: Nature. 627, p. 67-72Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Open AccessFile16 Citations (Scopus)46 Downloads (CityUHK Scholars) -
Phonon promoted charge density wave in topological kagome metal ScV6Sn6
Hu, Y., Ma, J., Li, Y., Jiang, Y., Gawryluk, D. J., Hu, T., Teyssier, J., Multian, V., Yin, Z., Xu, S., Shin, S., Plokhikh, I., Han, X., Plumb, N. C., Liu, Y., Yin, J.-X., Guguchia, Z., Zhao, Y., Schnyder, A. P. & Wu, X. & 4 others, , 2024, In: Nature Communications. 15, 1658.Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Open AccessFile49 Citations (Scopus)131 Downloads (CityUHK Scholars)
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NSFC-CRS: Investigation of quantum spin systems with large facilities
BAO, W. (Principal Investigator / Project Coordinator), JAECK, B. (Co-Investigator) & MA, J. (Co-Investigator)
1/01/26 → …
Project: Research
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NSFC-CRS-Sub-pj: Investigation of quantum spin systems with large facilities
MA, J. (Principal Investigator / Project Coordinator)
1/01/26 → …
Project: Research
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CRF-ExtU-Lead: Study of Novel Phases, Properties and Applications in Spin-splitting Antiferromagnetic Systems
LIU, J. (Main Project Coordinator [External]) & MA, J. (Principal Investigator / Project Coordinator)
30/06/25 → …
Project: Research
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YCRG-Sub-pj: High-capacity Lithium-rich Cathode Materials for High-energy Lithium-ion Batteries
MA, J. (Principal Investigator / Project Coordinator)
30/06/25 → …
Project: Research
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YCRG: High-capacity Lithium-rich Cathode Materials for High-energy Lithium-ion Batteries
LIU, Q. (Principal Investigator / Project Coordinator), CHEN, G. (Co-Principal Investigator), Chen, Y. (Co-Principal Investigator), MA, J. (Co-Principal Investigator) & XU, J. (Co-Principal Investigator)
30/06/25 → …
Project: Research
Prizes
Press/Media
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Physics Assistant Professors Awarded the Collaborative Research Fund
12/01/23
1 Media contribution
Press/Media: Press / Media
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CityU scientist hunted down the first unpaired Weyl magnetic monopole
2/09/21
1 item of Media coverage
Press/Media: Press / Media
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Fast-moving excitons observed for first time in metal, unlocking potential to speed up digital communication
18/03/22
1 item of Media coverage
Press/Media: Press / Media
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“Kagome” metallic crystal adds new spin to electronics
27/10/22
1 item of Media coverage
Press/Media: Press / Media
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Thirty-two outstanding scientists at CityUHK recognised by national funding; Scholar from the Department of Biomedical Engineering receives highest honour for young scientists
XU, C., FU, B., HOU, C., WANG, W., CHU, J.-E., QIN, Y., HOU, J., DONG, M., MA, J., ZHANG, Z., ZHANG, G., JIAO, D., YIN, X., CHEN, L., WU, Y., WU, G., SU, W., XU, J., HE, J., LI, N., ZHU, F., ZHAO, L., DUAN, P., XU, Y. J., LIU, C., LIU, M., CUI, L., KWOK, C. K., TSANG, S. W., ZHANG, Q., WANG, X. S. & WU, W.
25/09/24
1 item of Media coverage
Press/Media: Press / Media