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The LnSbTe (Ln = Lanthanides) family, like isostructural ZrSiS type compounds, has emerged as a fertile playground for exploring the interaction of electronic correlations and magnetic ordering with the nodal line band topology. Here, we…

The effect of pressure on the unique electronic state of the antiferromagnetic (AF) compound EuCu2Ge2 has been measured in a wide temperature range from 10 mK to 300 K by electrical resistivity measurements up to 10 GPa. The Neel…

Strongly Correlated Electrons · Physics 2020-05-13 Jun Gouchi , Kazumasa Miyake , Wataru Iha , Masato Hedo , Takao Nakama , Yoshichika Onuki , Yoshiya Uwatoko

Nowadays it has become feasible to perform angle-resolved photoemission spectroscopy (ARPES) measurements of transition-metal oxides with three-dimensional perovskite structures owing to the availability of high-quality single crystals of…

Strongly Correlated Electrons · Physics 2007-05-23 H. Wadati , T. Yoshida , A. Chikamatsu , H. Kumigashira , M. Oshima , H. Eisaki , Z. -X. Shen , T. Mizokawa , A. Fujimori

Recently, Kobayashi et al. (arXiv:1608.07718; ref. 1) have proposed an alternative interpretation of our angle-resolved photoemission spectroscopy (ARPES) results for the dilute ferromagnetic semiconductor (Ga,Mn)As. They claim that our…

Materials Science · Physics 2016-09-06 S. Souma , L. Chen , R. Oszwałdowski , T. Sato , F. Matsukura , T. Dietl , H. Ohno , T. Takahashi

The three-dimensional electronic structure and Ce 4f electrons of the heavy fermion superconductor CePt2In7 is investigated. Angle-resolved photoemission spectroscopy using variable photon energy establishes the existence of quasi-two and…

We present the results of a thorough investigation of the physical properties of EuAg$_4$Sb$_2$ single crystals using magnetization, heat capacity, and electrical resistivity measurements. High-quality single crystals, which crystallize in…

Strongly Correlated Electrons · Physics 2024-10-29 Sudip Malick , Hanna Świątek , Joanna Bławat , John Singleton , Tomasz Klimczuk

We performed Scanning Tunneling Microscopy and Spectroscopy (STM/STS) measurements to investigate the Zintl phase Eu$_5$In$_2$Sb$_6$, a non-symmorphic antiferromagnet. The theoretical prediction of a non-trivial Fermi surface topology…

Strongly Correlated Electrons · Physics 2023-11-15 M. Victoria Ale Crivillero , Sahana Rößler , Priscila F. S. Rosa , J. Müller , U. K. Rößler , S. Wirth

We investigated low-frequency current fluctuations, i.e. electronic noise, in FePS3 van der Waals, layered antiferromagnetic semiconductor. The noise measurements have been used as noise spectroscopy for advanced materials characterization…

Materials Science · Physics 2024-01-24 Subhajit Ghosh , Zahra Ebrahim Nataj , Fariborz Kargar , Alexander A. Balandin

We report a transport, thermodynamic, and spectroscopic study of the recently identified topological semiconductor ZrTe$_5$ with a focus on elucidating the connections between its band structure and unusual thermoelectric properties. Using…

Materials Science · Physics 2023-03-22 Junbo Zhu , Changmin Lee , Fahad Mahmood , Takehito Suzuki , Shiang Fang , Nuh Gedik , Joseph G. Checkelsky

The electronic structure of the antiferromagnet uranium nitride (UN) has been studied by angle resolved photoelectron spectroscopy using soft X-rays (hn=420-520 eV). Strongly dispersive bands with large contributions from the U 5f states…

As a special type of collinear antiferromagnetism (AFM), altermagnetism has garnered significant research interest recently. Altermagnets exhibit broken parity-time symmetry and zero net magnetization in real space, leading to substantial…

Electron spectrum of 2D and 3D antiferromagnetic metals is calculated with account of spin-fluctuation corrections within perturbation theory in the s-f exchange model. Effects of the interaction of conduction electrons with spin waves in…

Strongly Correlated Electrons · Physics 2009-10-31 V. Yu. Irkhin , M. I. Katsnelson

Electron-magnon coupling reveals key insights into the interfacial properties between non-magnetic metals and magnetic insulators, influencing charge transport and spin dynamics. Here, we present temperature-dependent Raman spectroscopy and…

Magnetic refrigeration can provide an environmentally friendly technology to reduce significantly the energy consumption of cooling devices. To retain the sustainability of the device, all parts must be made from abundant materials,…

We have carried out $^{125}$Te nuclear magnetic resonance (NMR) in a wide temperature range of 1.5 -- 300 K to investigate electronic properties of Ge$_{50}$Te$_{50}$, Ag$_{2}$Ge$_{48}$Te$_{50}$ and Sb$_{2}$Ge$_{48}$Te$_{50}$ from a…

Materials Science · Physics 2016-08-24 J. Cui , E. M. Levin , Y. Lee , Y. Furukawa

The valence band electronic structure of Pr$_{0.5}$Sr$_{0.5}$MnO$_3$ has been investigated across its paramagnetic metallic (PMM) - ferromagnetic metallic (FMM) - antiferromagnetic insulator (AFMI) transition. Using surface sensitive high…

Materials Science · Physics 2011-04-19 P. Pal , M. K. Dalai , I. Ulfat

Spintronics has emerged as a field of vast applicability, and layered magnetic materials have served as a ground for advancement in this direction. Here, we report the synthesis and detailed magnetic and specific heat studies on NdSbSe, (a…

Strongly Correlated Electrons · Physics 2025-01-22 Prabuddha Kant Mishra , Priyanka Nehla , Rishabh Shukla , Rie Umetsu , Ashok Kumar Ganguli

The spin dynamics of a quasi one dimensional $S=1$ bond alternating spin-gap antiferromagnet Ni(C$_9$H$_{24}$N$_4$)NO$_2$(ClO$_4$) (abbreviated as NTENP) is studied by means of electron spin resonance (ESR) technique. Five modes of ESR…

Strongly Correlated Electrons · Physics 2010-11-29 V. N. Glazkov , A. I. Smirnov , A. Zheludev , B. C. Sales

We study the thickness dependence of the electronic, magnetic, and optical properties of a NiPS$_3$ thin film, an antiferromagnetic charge-transfer insulator. Utilizing state-of-the-art advanced density functionals, we find the…

Strongly Correlated Electrons · Physics 2020-08-26 Christopher Lane , Jian-Xin Zhu

$\mathrm{MoTe_2}$ has recently been shown to realize in its low-temperature phase the type-II Weyl semimetal (WSM). We investigated by time- and angle- resolved photoelectron spectroscopy (tr-ARPES) the possible influence of the Weyl points…