周克瑾课题组长期致力于高分辨RIXS对复杂量子材料、非常规高温超导、一维自旋量子材料、磁性拓扑材料、能源材料的微观机理的研究，以及对RIXS实验方法学的拓展。迄今发表论文有120余篇，被引用近7500次，H影响因子45 。自2019年至今，作为通讯作者，已发表多篇有影响力的重要工作。
论文专著 (近5年)：
1) Topochemical synthesis and electronic structure of high-crystallinity infinite-layer nickelates on an orthorhombic substrate. Nano Letters 25, 1233 (2025)
2) Electronic and magnetic excitations in La3Ni2O7. Nature Communications 15, 9597 (2024)
3) Impact of electron correlations on two-particle charge response in electron- and hole-doped cuprates. Physical Review Research 6, 043184(2024)
4) Resonant inelastic X-ray scattering applications in quantum materials. Acta Phys. Sin.73, 197301 (2024)
5) Resonant inelastic X-ray scattering. Nat Rev Methods Primers 4, 45 (2024)
6) Universal stripe symmetry of short-range charge density waves in cuprate superconductors. Advanced Materials 36, 2307515 (2024)
7) Evolution from a charge-ordered insulator to a high-temperature superconductor in Bi2Sr2(Ca,Dy)Cu2O8+δ. Nature Communications 15, 7739 (2024)
8) Magnetic excitations in strained infinite-layer nickelate PrNiO2 films. Nature Communications 15, 5576 (2024)
9) Trapped O2 and the origin of voltage fade in layered Li-rich cathodes. Nature Materials. 23, 818 (2024)
10) Evolution of the magnetic excitations in electron-doped La2−xCexCuO4.Physical Review Letters 132, 056002 (2024)
11) Collective nature of orbital excitations in layered cuprates in the absence of apical oxygens. Physical Review Letters 132, 066004 (2024)
12) Signature of quantum criticality in cuprates by charge density fluctuations. Nature Communications 14, 7198 (2023)
13) Magnetic excitations beyond the single- and double-magnons. Nature Communications 14, 2749 (2023)
14) Critical Role of Hydrogen for Superconductivity in Infinite-layer Nickelates. Nature 615, 50 (2023)
15) Chiral phonons in quartz probed by X-rays. Nature 618, 946 (2023)
16) Delocalized electron holes on oxygen in a battery cathode. Nature Energy 8, 351 (2023)
17) Correlation driven near-flat band Stoner excitations in a Kagome magnet. Nature Communications 13, 7317 (2022)
18) Charge density waves in infinite-layer NdNiO2 nickelates. Nature Materials 21, 1116 (2022)
19) Quadrupolar magnetic excitations in an isotropic spin-1 antiferromagnet. Nature Communications 13, 2327 (2022)
20) A broken translational symmetry state in an infinite-layer nickelate. Nature Physics 18, 869 (2022)
21) Magnetic excitations in infinite-layer nickelates. Science 373, 213 (2021)
22) Unraveling the orbital physics in a canonical orbital system KCuF3. Physical Review Letters 126, 106401 (2021)
23) Spectroscopic fingerprint of charge order melting driven by quantum fluctuations in a cuprate. Nature Physics 17, 53 (2021)
24) Covalency does not suppress O2 formation in 4d and 5d Li-rich O-redox cathodes. Nature Communications 12, 2975 (2021)
25) Evolution of spin excitations from bulk to monolayer FeSe. Nature Communications 12, 3122 (2021)
26) Detection of acoustic plasmons in hole-doped lanthanum and bismuth cuprate superconductors using resonant inelastic X-ray scattering. Physical Review Letters 125, 257002 (2020)
27) Multiorbital charge-density wave excitations and concomitant phonon anomalies in Bi2Sr2LaCuO6+δ. Proc. Natl. Acad. Sci. U.S.A 117, 16219 (2020)
28) Coherent many-body exciton in van der Waals antiferromagnet NiPS3. Nature 583, 785 (2020)
29) Many-Body Physics of Single and Double Spin-Flip Excitations in NiO. Physics Review Letters 124, 067202 (2020)
30) Electronic structure of the parent compound of superconducting infinite-layer nickelates. Nature Materials 19, 381 (2020)
31) First-cycle voltage hysteresis in Li-rich 3d cathodes associated with molecular O2 trapped in the bulk. Nature Energy 5, 777 (2020)
32) Superstructure Controls First Cycle Voltage Hysteresis in O-redox Cathodes. Nature 577, 502 (2020)