Publications (31)
Probing a two-dimensional soft ferromagnet CrGeTe by a tuning fork resonator
Hengrui Gui, Zekai Shi, Jiawen Zhang +3
Magnetic anisotropy encodes key information about the free-energy landscape of magnetic materials, but its quantitative characterization often requires probes beyond conventional m…
Critical fluctuations and conserved dynamics in a strange ferromagnetic metal
Jin Zhan, Yongjun Zhang, Jiawen Zhang +9
The origin of the strange metallic behavior observed in a wide range of quantum materials is an open challenge to condensed matter physics. Historically, strange metals were unique…
Pressure-Driven Magneto-Topological Phase Transition in a magnetic Weyl semimetal
Qingqi Zeng, Hongyi Sun, Jianlei Shen +9
The co-occurrence of phase transitions with local and global order parameters, such as the entangled magnetization and topological invariant, is attractive but has been seldom real…
Signature of Dispersing 1D Majorana Channels in an Iron-based Superconductor
Zhenyu Wang, Jorge Olivares Rodriguez, Lin Jiao +6
The possible realization of Majorana fermions as quasiparticle excitations in condensed matter physics has created much excitement. Most recent studies have focused on Majorana bou…
Realizing a topological diode effect on the surface of a topological Kondo insulator
Jiawen Zhang, Zhenqi Hua, Chengwei Wang +10
Introducing the concept of topology into material science has sparked a revolution from classic electronic and optoelectronic devices to topological quantum devices. The latter has…
Noisy quantum gyroscope
Lin Jiao, Jun-Hong An
Gyroscope for rotation sensing plays a key role in inertial navigation systems. Developing more precise gyroscopes than the conventional ones bounded by classical shot-noise limit…
In-plane anisotropic magnetoresistance in detwinned ( = 0, 0.6)
Kelly J. Neubauer, Mason L. Klemm, Shirin Mozaffari +6
Understanding the magnetoresistance (MR) of a magnetic material forms the basis for uncovering the orbital mechanisms and charge-spin interactions in the system. Although the paren…
Quantum metrology in the noisy intermediate-scale quantum era
Lin Jiao, Wei Wu, Si-Yuan Bai +1
Quantum metrology pursues the physical realization of higher-precision measurements to physical quantities than the classically achievable limit by exploiting quantum features, suc…
Spin-selective tunneling from nanowires of the candidate topological Kondo insulator SmB6
Anuva Aishwarya, Zhuozhen Cai, Arjun Raghavan +9
Incorporating relativistic physics into quantum tunneling can lead to exotic behavior such as perfect transmission via Klein tunneling. Here, we probe the tunneling properties of s…
Observation of linearly dispersive edge modes in a magnetic Weyl semimetal Co3Sn2S2
Sean Howard, Lin Jiao, Zhenyu Wang +5
The physical realization of Chern insulators is of fundamental and practical interest, as they are predicted to host the quantum anomalous Hall effect (QAHE) and topologically prot…
Superconducting gap structure of FeSe
Lin Jiao, Chien-Lung Huang, Sahana RöÃler +4
The microscopic mechanism governing the zero-resistance flow of current in some iron-based, high-temperature superconducting materials is not well understood up to now. A central i…
Giant anomalous Hall effect in a ferromagnetic Kagome-lattice semimetal
Enke Liu, Yan Sun, Nitesh Kumar +19
Magnetic Weyl semimetals with broken time-reversal symmetry are expected to generate strong intrinsic anomalous Hall effects, due to their large Berry curvature. Here, we report a…
Comparative Scanning Tunneling Microscopy Study on Hexaborides
S. Wirth, Sahana RöÃler, Lin Jiao +3
We compare STM investigations on two hexaboride compounds, SmB and EuB, in an effort to provide a comprehensive picture of their surface structural properties. The latter i…
Influence of disorder on the signature of pseudogap and multigap superconducting behavior in FeSe
Sahana RöÃler, Chien-Lung Huang, Lin Jiao +3
We investigated several FeSe single crystals grown by two different methods by utilizing experimental techniques namely, resistivity, magnetoresistance, specific heat, scanning tun…
Additional energy scale in SmB at low temperature
Lin Jiao, Sahana RöÃler, D. J. Kim +4
Topological insulators give rise to exquisite electronic properties due to their spin-momentum locked Dirac-cone-like band structure. Recently, it has been suggested that the requi…
Visualizing spin-polarization of an altermagnet KVSeO via spin-selective tunneling
Guofei Yang, Chuang Li, Chengwei Wang +16
The authors use spin-selective scanning tunneling microscopy with a topological‑insulator tip to directly image the momentum‑dependent d‑wave spin polarization in the metallic alte…
Axionic tunneling from a topological Kondo insulator
Saikat Banerjee, Anuva Aishwarya, Fei Liu +4
Discoveries over the past two decades have revealed the remarkable ability of quantum materials to emulate relativistic properties of the vacuum, from Dirac cones in graphene to th…
Pressure induced superconducting dome in LaNiGa2
Yanan Zhang, Dajun Su, Zhaoyang Shan +13
LaNiGa2 is a time-reversal symmetry breaking superconductor with symmetry protected band crossings, making it an ideal platform for investigating the interplay between unconvention…
High-temperature superconductivity with zero-resistance and strange metal behavior in LaNiO
Yanan Zhang, Dajun Su, Yanen Huang +13
Recently signatures of superconductivity were observed close to 80 K in \LN\ under pressure. This discovery positions \LN\ as the first bulk nickelate with high-temperature superco…
Probing orbital magnetism of a kagome metal CsV3Sb5 by a tuning fork resonator
Hengrui Gui, Lin Yang, Xiaoyu Wang +13
The recently discovered kagome metal CsVSb exhibits a complex phase diagram that encompasses frustrated magnetism, topological charge density wave (CDW), and superconductiv…
Protecting spin squeezing from decoherence
Lin Jiao, Han Pu, Jun-Hong An
As a crucial resource in the field of quantum metrology, spin squeezing can facilitate highly precise measurements that surpass the limitations imposed by classical physics. Howeve…
Multiple superconducting phases in heavy-fermion metals
Emilian M. Nica, Sheng Ran, Lin Jiao +1
Symmetry breaking beyond a global U(1) phase is the key signature of unconventional superconductors. As prototypical strongly correlated materials, heavy-fermion metals provide ide…
Impurity-induced bound states inside the superconducting gap of FeSe
Lin Jiao, Sahana RöÃler, Cevriye Koz +4
We investigate the local density of states in the vicinity of a native dumbbell defect arising from an Fe vacancy in FeSe single crystals. The tunneling spectra close to the impuri…
Surface states in bulk single crystal of topological semimetal CoSnS towards water oxidation
Guowei Li, Qiunan Xu, Wujun Shi +16
The band inversion in topological phase matters bring exotic physical properties such as the emergence of a topologically protected surface states. They strongly influence the surf…
Microscopic evidence for a chiral superconducting order parameter in the heavy fermion superconductor UTe2
Lin Jiao, Sean Howard, Sheng Ran +6
Spin-triplet superconductivity is a condensate of electron pairs with spin-1 and an odd-parity wavefunction. A particularly interesting manifestation of triplet pairing is a chiral…
Evidence for a robust sign-changing s-wave order parameter in monolayer films of superconducting Fe (Se,Te)/Bi2Te3
Guannan Chen, Anuva Aishwarya, Mark R. Hirsbrunner +9
The Fe-based superconductor Fe (Se,Te) combines non-trivial topology with unconventional superconductivity and may be an ideal platform to realize exotic states such as high-order…
Surface and electronic structure of SmB through Scanning Tunneling Microscopy
S. Roessler, Lin Jiao, D. -J. Kim +6
SmB, a so called Kondo insulator, is recently discussed as a candidate material for a strong topological insulator. We present detailed atomically resolved topographic informat…
Pressure-induced superconductivity beyond magnetic quantum criticality in a Kondo ferromagnet
Yanan Zhang, Yongjun Zhang, Jiawen Zhang +13
Quantum phase transitions are an established setting for emergent phenomena driven by strong electronic correlations, including strange metals and unconventional superconductivity.…
Signatures for half-metallicity and nontrivial surface states in a Kagome-lattice magnetic Weyl semimetal CoSnS
Lin Jiao, Qiunan Xu, Yeryun Cheon +4
Weyl semimetals with time reversal symmetry breaking are expected to show various fascinating physical behaviors, such as intrinsic giant anomalous Hall effect, chiral anomaly effe…
Emergence of an incipient ordering mode in FeSe
Sahana RöÃler, Cevriye Koz, Lin Jiao +4
The structurally simplest Fe-based superconductor FeSe with a critical temperature 8.5 K displays a breaking of the four-fold rotational symmetry at a temperature $T…
Magnetic and defect probes of the SmB surface state
Lin Jiao, Sahana RöÃler, Deepa Kasinathan +7
The impact of non-magnetic and magnetic impurities on topological insulators is a central problem concerning their fundamental physics and possible novel spintronics and quantum co…