Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2
Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X.
American Association for the Advancement of Science (AAAS)
Published 2018
American Association for the Advancement of Science (AAAS)
Published 2018
| Publication Date: |
2018-01-13
|
|---|---|
| Publisher: |
American Association for the Advancement of Science (AAAS)
|
| Electronic ISSN: |
2375-2548
|
| Topics: |
Natural Sciences in General
|
| Published by: |
| _version_ | 1836398749495066625 |
|---|---|
| autor | Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. |
| beschreibung | Searching for heavy fermion (HF) states in non–f-electron systems becomes an interesting issue, especially in the presence of magnetism, and can help explain the physics of complex compounds. Using angle-resolved photoemission spectroscopy, scanning tunneling microscopy, physical properties measurements, and the first-principles calculations, we observe the HF state in a 3d-electron van der Waals ferromagnet, Fe 3 GeTe 2 . Upon entering the ferromagnetic state, a massive spectral weight transfer occurs, which results from the exchange splitting. Meanwhile, the Fermi surface volume and effective electron mass are both enhanced. When the temperature drops below a characteristic temperature T *, heavy electrons gradually emerge with further enhanced effective electron mass. The coexistence of ferromagnetism and HF state can be well interpreted by the dual properties (itinerant and localized) of 3d electrons. This work expands the limit of ferromagnetic HF materials from f- to d-electron systems and illustrates the positive correlation between ferromagnetism and HF state in the 3d-electron material, which is quite different from the f-electron systems. |
| citation_standardnr | 6138745 |
| datenlieferant | ipn_articles |
| feed_id | 228416 |
| feed_publisher | American Association for the Advancement of Science (AAAS) |
| feed_publisher_url | http://www.aaas.org/ |
| insertion_date | 2018-01-13 |
| journaleissn | 2375-2548 |
| publikationsjahr_anzeige | 2018 |
| publikationsjahr_facette | 2018 |
| publikationsjahr_intervall | 7984:2015-2019 |
| publikationsjahr_sort | 2018 |
| publisher | American Association for the Advancement of Science (AAAS) |
| quelle | Science Advances |
| relation | http://advances.sciencemag.org/cgi/content/short/4/1/eaao6791?rss=1 |
| search_space | articles |
| shingle_author_1 | Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. |
| shingle_author_2 | Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. |
| shingle_author_3 | Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. |
| shingle_author_4 | Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. |
| shingle_catch_all_1 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 Searching for heavy fermion (HF) states in non–f-electron systems becomes an interesting issue, especially in the presence of magnetism, and can help explain the physics of complex compounds. Using angle-resolved photoemission spectroscopy, scanning tunneling microscopy, physical properties measurements, and the first-principles calculations, we observe the HF state in a 3d-electron van der Waals ferromagnet, Fe 3 GeTe 2 . Upon entering the ferromagnetic state, a massive spectral weight transfer occurs, which results from the exchange splitting. Meanwhile, the Fermi surface volume and effective electron mass are both enhanced. When the temperature drops below a characteristic temperature T *, heavy electrons gradually emerge with further enhanced effective electron mass. The coexistence of ferromagnetism and HF state can be well interpreted by the dual properties (itinerant and localized) of 3d electrons. This work expands the limit of ferromagnetic HF materials from f- to d-electron systems and illustrates the positive correlation between ferromagnetism and HF state in the 3d-electron material, which is quite different from the f-electron systems. Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. American Association for the Advancement of Science (AAAS) 2375-2548 23752548 |
| shingle_catch_all_2 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 Searching for heavy fermion (HF) states in non–f-electron systems becomes an interesting issue, especially in the presence of magnetism, and can help explain the physics of complex compounds. Using angle-resolved photoemission spectroscopy, scanning tunneling microscopy, physical properties measurements, and the first-principles calculations, we observe the HF state in a 3d-electron van der Waals ferromagnet, Fe 3 GeTe 2 . Upon entering the ferromagnetic state, a massive spectral weight transfer occurs, which results from the exchange splitting. Meanwhile, the Fermi surface volume and effective electron mass are both enhanced. When the temperature drops below a characteristic temperature T *, heavy electrons gradually emerge with further enhanced effective electron mass. The coexistence of ferromagnetism and HF state can be well interpreted by the dual properties (itinerant and localized) of 3d electrons. This work expands the limit of ferromagnetic HF materials from f- to d-electron systems and illustrates the positive correlation between ferromagnetism and HF state in the 3d-electron material, which is quite different from the f-electron systems. Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. American Association for the Advancement of Science (AAAS) 2375-2548 23752548 |
| shingle_catch_all_3 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 Searching for heavy fermion (HF) states in non–f-electron systems becomes an interesting issue, especially in the presence of magnetism, and can help explain the physics of complex compounds. Using angle-resolved photoemission spectroscopy, scanning tunneling microscopy, physical properties measurements, and the first-principles calculations, we observe the HF state in a 3d-electron van der Waals ferromagnet, Fe 3 GeTe 2 . Upon entering the ferromagnetic state, a massive spectral weight transfer occurs, which results from the exchange splitting. Meanwhile, the Fermi surface volume and effective electron mass are both enhanced. When the temperature drops below a characteristic temperature T *, heavy electrons gradually emerge with further enhanced effective electron mass. The coexistence of ferromagnetism and HF state can be well interpreted by the dual properties (itinerant and localized) of 3d electrons. This work expands the limit of ferromagnetic HF materials from f- to d-electron systems and illustrates the positive correlation between ferromagnetism and HF state in the 3d-electron material, which is quite different from the f-electron systems. Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. American Association for the Advancement of Science (AAAS) 2375-2548 23752548 |
| shingle_catch_all_4 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 Searching for heavy fermion (HF) states in non–f-electron systems becomes an interesting issue, especially in the presence of magnetism, and can help explain the physics of complex compounds. Using angle-resolved photoemission spectroscopy, scanning tunneling microscopy, physical properties measurements, and the first-principles calculations, we observe the HF state in a 3d-electron van der Waals ferromagnet, Fe 3 GeTe 2 . Upon entering the ferromagnetic state, a massive spectral weight transfer occurs, which results from the exchange splitting. Meanwhile, the Fermi surface volume and effective electron mass are both enhanced. When the temperature drops below a characteristic temperature T *, heavy electrons gradually emerge with further enhanced effective electron mass. The coexistence of ferromagnetism and HF state can be well interpreted by the dual properties (itinerant and localized) of 3d electrons. This work expands the limit of ferromagnetic HF materials from f- to d-electron systems and illustrates the positive correlation between ferromagnetism and HF state in the 3d-electron material, which is quite different from the f-electron systems. Zhang, Y., Lu, H., Zhu, X., Tan, S., Feng, W., Liu, Q., Zhang, W., Chen, Q., Liu, Y., Luo, X., Xie, D., Luo, L., Zhang, Z., Lai, X. American Association for the Advancement of Science (AAAS) 2375-2548 23752548 |
| shingle_title_1 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 |
| shingle_title_2 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 |
| shingle_title_3 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 |
| shingle_title_4 | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 |
| timestamp | 2025-06-30T23:32:01.487Z |
| titel | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 |
| titel_suche | Emergence of Kondo lattice behavior in a van der Waals itinerant ferromagnet, Fe3GeTe2 |
| topic | TA-TD |
| uid | ipn_articles_6138745 |