English
Related papers

Related papers: Distinct topological Hall responses in CeCu$_2$-ty…

200 papers

Layered magnetic transition-metal chalcogenides (TMCs) are a focal point of research, revealing a variety of intriguing magnetic and topological ground states. Within this family of TMCs, chromium telluride has garnered significant…

Frustrated rare-earth-based intermetallics provide a promising platform for emergent magnetotransport properties through exchange coupling between conduction electrons and localized rare-earth magnetic moments. Metamagnetism, the abrupt…

Strongly Correlated Electrons · Physics 2024-05-29 Takashi Kurumaji , Shiang Fang , Linda Ye , Shunsuke Kitou , Joseph G. Checkelsky

We have investigated the THz range magneto-optical response of ultralow carrier density films of Sb$_2$Te$_3$ using time-domain THz polarimetry. Undoped Sb$_2$Te$_3$ has a chemical potential that lies inside the bulk valence band. Thus its…

Mesoscale and Nanoscale Physics · Physics 2021-02-24 Dipanjan Chaudhuri , Maryam Salehi , Sayak Dasgupta , Mintu Mondal , Jisoo Moon , Deepti Jain , Seongshik Oh , N. P. Armitage

We report fabrication of EuSb$_2$ single-crystalline films and investigation of their quantum transport. First-principles calculations demonstrate that EuSb$_2$ is a magnetic topological nodal-line semimetal protected by nonsymmorphic…

The antiferromagnetic layered compound EuCd$_2$As$_2$ is widely considered as a leading candidate of ideal Weyl semimetal, featuring a single pair of Weyl nodes in its field-induced ferromagnetic (FM) state. Nevertheless, this view has…

In this study, high-quality thin films of the topological semimetal phase NiTe$_2$ were prepared using molecular beam epitaxy (MBE) technique, confirmed through X-ray diffraction with pronounced Laue oscillations. Electrical transport…

Materials Science · Physics 2024-08-05 Liguo Zhang , Dapeng Zhao , Xiangyang Liu , Junwen Lai , Junhai Ren , Qin Wang , Haicheng Lin , Yan Sun , Katsumi Tanigaki

We report different growth modes and corresponding magnetic properties of thin EuSe films grown by molecular beam epitaxy on BaF2, Pb1-xEuxSe, GaAs, and Bi2Se3 substrates. We show that EuSe growth predominantly in (001) orientation on…

The structure, magnetic and transport properties of thin films of the Heusler ferrimagnet Mn_{2}CoAl have been investigated for properties related to spin gapless semiconductors. Oriented films were grown by molecular beam epitaxy on GaAs…

Materials Science · Physics 2013-10-01 Michelle E. Jamer , Badih A. Assaf , Trithep Devakul , Don Heiman

Over the past five years, significant progress has been made in understanding the magnetism and electronic properties of CaAl$_2$Si$_2$-type Eu$M_2X_2$ ($M$ = Zn, Cd; $X$ = P, As) compounds. Prior theoretical work and experimental studies…

Materials Science · Physics 2024-10-21 Xiyu Chen , Shuai Dong , Zhi-Cheng Wang

Magnetic doping of topological quantum materials provides an attractive route for studying the effects of time-reversal symmetry breaking. Thus motivated, we explore the introduction of the transition metal Mn into thin films of the Dirac…

Materials Science · Physics 2022-04-28 Run Xiao , Jacob T Held , Jeffrey Rable , Supriya Ghosh , Ke Wang , K. Andre Mkhoyan , Nitin Samarth

The magnetic topological materials have attracted significant attention due to their potential realization of variety of novel quantum phenomena. EuIn$_2$As$_2$ has recently been theoretically recognized as a long awaited intrinsic…

Materials Science · Physics 2022-03-02 J. Yan , Z. Z. Jiang , R. C. Xiao , W. J. Lu , W. H. Song , X. B. Zhu , X. Luo , Y. P. Sun , M. Yamashita

The interplay between magnetism and strong topological insulator gives rise to distinct new topological phases and various intriguing phenomena, attracting significant attention in recent years. However, magnetic effects in weak topological…

Mesoscale and Nanoscale Physics · Physics 2024-09-05 Rui Chen , Xiao-Xia Yi , Bin Zhou , Dong-Hui Xu

Eu-based compounds often exhibit unusual magnetism, which is critical for nontrivial topological properties seen in materials such as EuCd2As2. We investigate the structure and physical properties of EuZn2As2 through measurements of the…

Materials Science · Physics 2022-02-15 Joanna Blawat , Madalynn Marshall , John Singleton , Erxi Feng , Huibo Cao , Weiwei Xie , Rongying Jin

Various Co2 based Heusler compounds are predicted to be Weyl materials. These systems with broken symmetry possess a large Berry curvature, and introduce exotic transport properties. The present study on epitaxially grown Co2TiSn films is…

Spintronics, an evolving interdisciplinary field at the intersection of magnetism and electronics, explores innovative applications of electron charge and spin properties for advanced electronic devices. The topological Hall effect, a key…

The topological kagome magnet (TKM) Fe3Sn2 exhibits unusual topological properties, flat electronic bands, and chiral spin textures, making it an exquisite materials platform to explore the interplay between topological band structure,…

The Eu-based EuA$_2$X$_2$ (A = Zn, Cd, In, Sn; X = P, As, Sb) family of compounds has recently attracted significant attention as a promising platform for exploring magnetic topological materials, with several members either predicted or…

EuAuSb is a triangular-lattice Dirac semimetal in which a topological Hall effect has been observed to develop in association with a magnetically-ordered phase. Our single-crystal neutron diffraction measurements have identified an…

Strongly Correlated Electrons · Physics 2025-11-04 J. Sears , Juntao Yao , Zhixiang Hu , Wei Tian , Niraj Aryal , Weiguo Yin , A. M. Tsvelik , I. A. Zaliznyak , Qiang Li , J. M. Tranquada

New materials with magnetic order driven topological phases are hugely sought after for their immense application potential. In this work, we propose a new compound EuMn$_2$Bi$_2$ from our first principles density functional theory…

Materials Science · Physics 2024-02-05 Amarjyoti Choudhury , T. Maitra

Two essential ingredients for the quantum anomalous Hall (QAH) effect, i.e. topological and magnetic orders, can be combined by doping magnetic ions into a topological insulator (TI) film. Through this approach, the QAH effect has been…

Mesoscale and Nanoscale Physics · Physics 2026-04-28 Fei Wang , Yi-Fan Zhao , Zijie Yan , Hemian Yi , Wei Yuan , Lingjie Zhou , Weiwei Zhao , Moses H. W. Chan , Cui-Zu Chang