Chinese Physics Letters

Papers
(The TQCC of Chinese Physics Letters is 7. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)
ArticleCitations
Interstitial Doping of SnO2 Film with Li for Indium-Free Transparent Conductor164
ESM Cloud Toolkit: A Copilot for Energy Storage Material Research144
Three-Wave Mixing of Dipole Solitons in One-Dimensional Quasi-Phase-Matched Nonlinear Crystals121
Structural Evolution of D 5h (1)-C90 under High Pressure: A Mediate Allotrope of Nanocarbon from Zero-Dimensional Fullerene to One-Dimensional Nanot118
Fe1+y Te x Se1- x : A Delicate and Tunable Majorana Material117
Photonic Generation of Chirp-Rate-Tunable Microwave Waveforms Using Temporal Cavity Solitons with Agile Repetition Rate116
Splitting of Degenerate Superatomic Molecular Orbitals Determined by Point Group Symmetry112
Continuous-Variable Quantum Computation in Circuit QED108
Visualizing the in-Gap States in Domain Boundaries of Ultra-Thin Topological Insulator Films104
Honeycomb Lattice in Metal-Rich Chalcogenide Fe2Te94
Anisotropic Magnon–Magnon Coupling in Synthetic Antiferromagnets65
An Alternative Operation Scheme to Improve the Efficiency of a Stark Decelerator62
The 4f-Hybridization Strength in Ce m Mn In3m+2n Heavy-Fermion Compounds Studied by Ang62
Constructing Low-Dimensional Quantum Devices Based on the Surface State of Topological Insulators60
Recent Advances in Moiré Superlattice Structures of Twisted Bilayer and Multilayer Graphene58
Imaging Freeze-Out Sources and Extracting Strong Interaction Parameters in Relativistic Heavy-Ion Collisions57
Structural and Physical Properties of the Heavy Fermion Metal Ce2NiAl6Si553
Electron Microscopy and Spectroscopy Investigation of Atomic, Electronic, and Phonon Structures of NdNiO2/SrTiO3 Interface48
Generalized Aubry–André–Harper Models in Optical Superlattices48
Medium Modifications of Heavy-Flavor Jet Angularities in High-Energy Nuclear Collisions48
First-Principles Calculations about Elastic and Li+ Transport Properties of Lithium Superoxides under High Pressure and High Temperature46
Defects in Statically Unstable Solids: The Case for Cubic Perovskite α-CsPbI345
Is p-Type Doping in TeO2 Feasible?44
Discovery of Two Families of Vsb-Based Compounds with V-Kagome Lattice39
Multiple Soliton Asymptotics in a Spin-1 Bose–Einstein Condensate38
High T c Superconductivity in Heavy Rare Earth Hydrides38
Long-Cycle Lithium Batteries with LiNi0.8Co0.1Mn0.1O2 Cathodes above 4.5V Enabled by Uniform Coating of Nanosized Garnet Electrolytes37
Giant Tunneling Magnetoresistance in Spin-Filter Magnetic Tunnel Junctions Based on van der Waals A-Type Antiferromagnet CrSBr35
Orbital-Ordering Driven Simultaneous Tunability of Magnetism and Electric Polarization in Strained Monolayer VCl335
Research Progress in the Polymeric Nitrogen with High Energy Density31
Realization of Fast All-Microwave Controlled-Z Gates with a Tunable Coupler30
Review of the Research Status of Practical Superconducting Materials and Their Current Carrying Performance30
Sr-Doping-Modulated Metal-Insulator Transition in NdNiO3 Epitaxial Films29
Stochastic Resonance in a Single-Ion Nonlinear Mechanical Oscillator28
Probing the Air Storage Failure Mechanism of Ni-Rich Layered Cathode Materials26
Moiré Synaptic Transistor for Homogeneous-Architecture Reservoir Computing26
Magnetic-mediated carrier, phonon and spin dynamics in the ferromagnetic semiconductor (In,Fe)Sb25
MWCNT Doped Reverse-Mode Polymer Network Liquid Crystals with Frequency Response Property25
Competition between Stepwise Polarization Switching and Chirality Coupling in Ferroelectric GeS Nanotubes24
Magnetic Damping Properties of Single-Crystalline Co55Mn18Ga27 and Co50Mn18Ga32 Films24
Analysis of Strong Coupling Constant with Machine Learning and Its Application24
Cubic Ice Captured by In Situ Transmission Electron Microscope24
Unusual Normal and Superconducting State Properties Observed in Hydrothermal Fe1-δ Se Flakes23
Interception of Layered LP-N and HLP-N at Ambient Conditions by Confined Template23
Generalized Rashba Coupling Approximation to a Resonant Spin Hall Effect of the Spin–Orbit Coupling System in a Magnetic Field22
Decoherence Effects of Terahertz Generation in Solids under Two-Color Femtosecond Laser Fields22
CuI/Nylon Membrane Hybrid Film with Large Seebeck Effect22
Mean-Squared Energy Difference for Exploring Potential Energy Landscapes of Supercooled Liquids21
Superconductivity near the (2+1)-Dimensional Ferromagnetic Quantum Critical Point21
Pressure-Driven Ne-Bearing Polynitrides with Ultrahigh Energy Density21
Growth and Characterization of a New Superconductor GaBa2Ca3Cu4O11+δ 21
Constructing Hopf Insulator from Geometric Perspective of Hopf Invariant21
Pressure-Induced Superconductivity in the Charge-Density-Wave Compound LaTe2–x Sb x (x = 0 and 0.4)20
Phonon Focusing Effect in an Atomic Level Triangular Structure20
Synthesis of Chemically Sharp Interface in NdNiO3/SrTiO3 Heterostructures20
Dual Topological Features of Weyl Semimetallic Phases in Tetradymite BiSbTe319
Erratum: Frustrated Magnetic Interactions and Quenched Spin Fluctuations in CrAs [Chin. Phys. Lett. 39, 127501 (2022)]19
Evolution of Superconducting-Transition Temperature with Superfluid Density and Conductivity in Pressurized Cuprate Superconductors19
Giant Influence of Clustering and Anti-Clustering of Disordered Surface Roughness on Electronic Tunneling19
Tunable Memory and Activity of Quincke Particles in Micellar Fluid19
Ferroelectricity and Large Rashba Splitting in Two-Dimensional Tellurium18
Observation of a Ubiquitous (π, π)-Type Nematic Superconducting Order in the Whole Superconducting Dome of Ultra-Thin BaFe2–x Ni x 18
Magnetism and Superconductivity in the t–J Model of La3Ni2O7 Under Multiband Gutzwiller Approximation18
First-Principles Study on Thermal and Electrical Transport Properties of NbGe2 and NbSi2: The Role of Electron–Phonon Coupling18
Predicted Critical State Based on Invariance of the Lyapunov Exponent in Dual Spaces18
Fe-Loaded Two-Dimensional Nitrogen-Doped Carbon for Electromagnetic Wave Absorption18
Effect of Boundary Scattering on Magneto-Transport Performance in BN-Encapsulated Graphene17
Magnetic Nonreciprocity in a Hybrid Device of Asymmetric Artificial Spin-Ice-Superconductors17
Electrically Tunable Graphene Terahertz Isolator Assisted by Nonreciprocal Plasmon17
Ultrafast Modulation of the Molten Metal Surface Tension under Femtosecond Laser Irradiation17
Pressure-Driven Energy Band Gap Narrowing of λ-N217
Quantifying the Driving Effect of Colored Noise in Brownian Motors17
Scaling Laws of Heat Flux Width in the HL-2A Closed Divertor Tokamak17
Determination of the Range of Magnetic Interactions from the Relations between Magnon Eigenvalues at High-Symmetry κ Points17
Finite Size Effect on Gluon Dissociation of J/ψ in Relativistic Heavy Ion Collisions17
Anomalous Josephson Effect in Topological Insulator-Based Josephson Trijunction16
Status and Prospect of Weak Radiative Hyperon Decays16
Broadband optically transparent absorber and multi-band stealth based on organic metasurface16
High Energy Inner Shell Photoelectron Diffraction in CO216
Realizations, Characterizations, and Manipulations of Two-Dimensional Electron Systems Floating above Superfluid Helium Surfaces16
S-Wave Superconductivity in Kagome Metal CsV3Sb5 Revealed by 121/123Sb NQR and 51V NMR Measurements16
Resolving the Bethe–Salpeter Kernel16
Anisotropic Superconducting Properties of Kagome Metal CsV3Sb516
Electron-Exciton Coupling in 1T-TiSe2 Bilayer16
Precise Determination of the Bottom-Quark On-Shell Mass Using Its Four-Loop Relation to the 15
Realizing n-type gete through suppressing the formation of cation vacancies and bi-doping*15
Route to Stabilize Cubic Gauche Polynitrogen to Ambient Conditions via Surface Saturation by Hydrogen15
Breaking through the Optimization Limits of Power Factor via Pressure-Decoupled Seebeck Coefficient and Electrical Conductivity15
Pressure Evolution of the Magnetism and Fermi Surface of YbPtBi Probed by a Tunnel Diode Oscillator Based Method15
Search for Ultralight Dark Matter with a Frequency Adjustable Diamagnetic Levitated Sensor15
Signature of Superconductivity in Pressurized Trilayer-Nickelate Pr4Ni3O10–δ15
Thermal Stability of High Power 26650-Type Cylindrical Na-Ion Batteries15
Modulation of High-Order Harmonic Generation from a Monolayer ZnO by Co-rotating Two-Color Circularly Polarized Laser Fields15
Evidence of Electronic Phase Separation in the Strongly Correlated Semiconductor YbB1215
Emergence of Superconductivity on the Border of Antiferromagnetic Order in RbMn6Bi5 under High Pressure: A New Family of Mn-Based Superconductors14
Critical Current Density, Vortex Pinning, and Phase Diagram in the NaCl-Type Superconductors InTe1–x Se x (x = 0, 0.1, 0.2)14
Bayesian Optimization for Wavefront Sensing and Error Correction14
Nonlocal Effects of Low-Energy Excitations in Quantum-Spin-Liquid Candidate Cu3Zn(OH)6FBr14
Revealing the Impact of Ferromagnetic Elements on Fe-Based Amorphous Alloy Properties via ab initio Molecular Dynamics Simulations and Experiments14
Heteronuclear Magnetisms with Ultracold Spinor Bosonic Gases in Optical Lattices14
A Lay-up-Oriented CFRP-Substrate Metamaterial Absorber with High Insensitivity to Polarization14
High Q 2 Behavior of the Proton Structure Function through the Balitsky–Kovchegov Equation14
Random Green’s Function Method for Large-Scale Electronic Structure Calculation14
Modification of the Hybridization Gap by Twisted Stacking of Quintuple Layers in a Three-Dimensional Topological Insulator Thin Film14
Modulation Instability and Non-Degenerate Akhmediev Breathers of Manakov Equations14
Variational Quantum Eigensolver with Mutual Variance-Hamiltonian Optimization14
Planar Hall Effect in the Charge-Density-Wave Bi2Rh3Se214
Development of Time-of-Flight Polarized Neutron Imaging at the China Spallation Neutron Source14
Symmetry-Dependent Kinetics of Dislocation Reaction14
Quantum Engineering of Helical Charge Migration in HCCI14
In-Memory Probabilistic Computing Using Gate-Tunable Layer Pseudospins in van der Waals Heterostructures13
Predicting Many Crystal Properties via an Adaptive Transformer-based Framework13
Effects of Thickness and Anisotropic Strain on Polarization Switching Properties of Sub-10nm Epitaxial Hf0.5Zr0.5O2 Thin Films13
Low-Voltage IGZO Field-Effect Ultraviolet Photodiode13
Renormalization Group Theory of Eigen Microstates13
Achieving Ultralong Spin Coherent Time of Single Nitrogen Vacancy Centers in Diamond13
Interaction between Surface Acoustic Wave and Quantum Hall Effects13
Soliton Rectangular Pulses and Bound States in a Dissipative System Modeled by the Variable-Coefficients Complex Cubic-Quintic Ginzburg–Landau Equation13
Some Modified Equations of the Sine-Hilbert Type12
Inverse Design and Experimental Verification of Metamaterials for Thermal Illusion Using Genetic Algorithms12
Nonresonant Multiphoton Ionization of Stark Decelerated Molecules by Femtosecond Laser Pulses12
Experimental Road to a Charming Family of Tetraquarks … and Beyond12
Finite Temperature Magnetism in the Triangular Lattice Antiferromagnet KErTe212
Development and Performance of the First Nb3Sn Thin-Film Cavity via Bronze Process12
Unleashing the Power of Moiré Materials in Neuromorphic Computing12
Direct Observation on H-Elimination Enhancement from C2H4 through Non-Adiabatic Process by Femtosecond Laser Induced Coulomb Explosion12
Microscopic Magnetism of Nickel-Based Infinite-Layer Superconducting Parent Compounds RNiO2 (R = La, Nd): A μSR Study12
Measurement of Superconductivity and Edge States in Topological Superconductor Candidate TaSe312
Dust-Induced Regulation of Thermal Radiation in Water Droplets12
Reconciliation of Theoretical Lifetimes of the 5s5p 3P2o Metastable State for 88Sr with Measurement: The Role of the Blackbody-Radiation-Induced Decay12
A Compact in situ Polarized 3He System for Neutron Scattering12
Chiral Anomaly in Non-Relativistic Systems: Berry Curvature and Chiral Kinetic Theory12
Achieving 1.2 fm/Hz1/2 Displacement Sensitivity with Laser Interferometry in Two-Dimensional Nanomechanical Resonators: Pathways towards Quantum-Noise-Limited Measurement at Room Temperatur11
Neural Network-Based Frequency Optimization for Superconducting Quantum Chips11
Origin of the Disparity between the Stability of Transmutated Mix-Cation and Mix-Anion Compounds11
Quantitative Measurement of Temperature-Dependent Quasiparticle Scattering of the Topological Surface States in Bi2Se311
Rydberg-Atom Terahertz Heterodyne Receiver with Ultrahigh Spectral Resolution11
Ultrafast Ternary Content-Addressable Nonvolatile Floating-Gate Memory Based on van der Waals Heterostructures11
Elastic Modulus, Hardness, and Fracture Toughness of Li6.4La3Zr1.4Ta0.6O12 Solid Electrolyte11
Moiré Metasurface with Triple-Band Near-Perfect Chirality11
Nonadiabatic Holonomic Quantum Computation Based on Rydberg Ground State Blockade11
Anisotropy of Electronic Spin Texture in the High-Temperature Cuprate Superconductor Bi2Sr2CaCu2O8+δ 11
In situ Measurement of Intense Optical Fields via Strong Field Ionization11
Superconductivity Observed in Tantalum Polyhydride at High Pressure11
Joint Authentication Public Network Cryptographic Key Distribution Protocol Based on Single Exposure Compressive Ghost Imaging11
Electron-Correlation-Induced Charge Density Wave in FeGe11
Diagnosing Thermalization Dynamics of Non-Hermitian Quantum Systems via GKSL Master Equations11
Evidence for Magnetic Fractional Excitations in a Kitaev Quantum-Spin-Liquid Candidate α-RuCl311
A Self-Diffraction Temporal Filter for Contrast Enhancement in Femtosecond Ultra-High Intensity Laser11
Spin Resolved Zero-Line Modes in Minimally Twisted Bilayer Graphene from Exchange Field and Gate Voltage11
Exploring Explicit Coarse-Grained Structure in Artificial Neural Networks11
Second Harmonic-Induced Ultrafast Wrinkle Formation in Two-Dimensional Material11
Gate Tunable Labyrinth Domain Structures in a van der Waals Itinerant Ferromagnet Cr7Te811
Prospect of Hexagonal CsMg(I1–xBrx)3 Alloys for Deep-Ultraviolet Light Emission11
A k · p Effective Hamiltonian Generator11
Anisotropic s-Wave Gap in the Vicinity of a Quantum Critical Point in Superconducting BaFe2(As1–x P x )2 Sin10
Measurements of Dipole Moments for the 5s5p 3 P 1–5sns 3 S 1 Tra10
Database Construction for Two-Dimensional Material-Substrate Interfaces10
Escaping Detrimental Interactions with Microwave-Dressed Transmon Qubits10
Magnus Hall Effect in Two-Dimensional Materials10
High-Pressure Phase Transitions and Mechanisms in Lanthanum Mononitride10
Possible Superconductivity in Biphenylene10
Locally purified density operators for noisy quantum circuits10
Interplay of Kitaev Interaction and Off-Diagonal Exchanges: Exotic Phases and Quantum Phase Diagrams10
Epitaxial Growth and Characteristics of Nonpolar a-Plane InGaN Films with Blue-Green-Red Emission and Entire In Content Range10
Abnormal Elastic Changes for Cubic-Tetragonal Transition of Single-Crystal SrTiO310
Production of 87Rb Bose-Einstein Condensate in an Asymmetric Crossed Optical Dipole Trap10
New Insight of Fe Valence State Change Using Leaves: A Combined Experimental and Theoretical Study10
Finding Short-Range Parity-Time Phase-Transition Points with a Neural Network10
Charm Physics at the Super τ-Charm Factory10
Review of the Low-Lying Excited Baryons Σ*(1/2)10
Interference Pattern of Floquet Modes in Frequency Space10
Nanoscale Impact Ionization and Electroluminescence in a Biased Scanning-Tunneling-Microscope Junction10
Multiple Magnetic Phase Transitions and Critical Behavior in Single-Crystal SmMn2Ge210
Transformation Plasma Physics10
Influence of High-Pressure Induced Lattice Dislocations and Distortions on Thermoelectric Performance of Pristine SnTe10
Resistance anomaly and linear magnetoresistance in thin flakes of itinerant ferromagnet Fe3GeTe210
AI-Driven Inverse Design of Materials: Past, Present, and Future10
Nondegenerate Soliton Solutions of (2+1)-Dimensional Multi-Component Maccari System9
Interlayer Magnetic Interaction in the CrI3/CrSe2 Heterostructure9
Simulation of Projective Non-Abelian Anyons for Quantum Computation9
Atomic Level Insight into the Variation and Tunability of Band Alignment between Si and Amorphous SiO2/HfO29
Current-Induced Magnetization Switching Behavior in Perpendicular Magnetized L10-MnAl/B2-CoGa Bilayer9
Rydberg-State Excitation and Ionization of Argon Atoms Subject to Strong Circularly Polarized Two-Color Few-Cycle Laser Fields9
Frustrated Magnetic Interactions and Quenched Spin Fluctuations in CrAs9
Ferroelectric Ceramic Materials Enable High-Performance Organic-Inorganic Composite Electrolytes in Solid-State Lithium Metal Batteries9
Molecular Beam Epitaxy Growth and Electronic Structures of Monolayer GdTe39
Giant Spontaneous Valley Polarization and Adsorption-Induced Topological Phase Transition in Single-Layer 2H-NbTe29
Screening Promising CsV3Sb5-Like Kagome Materials from Systematic First-Principles Evaluation9
Ultralow-Temperature Heat Transport Evidence for Residual Density of States in the Superconducting State of CsV3Sb59
Intense Mid-Infrared Laser Pulse Generated via Flying-Mirror Red-Shifting in Near-Critical-Density Plasmas9
Enhancement of Carrier Mobility in Semiconductor Nanostructures by Carrier Distribution Engineering9
Unveiling a Novel Insulator-to-Metal Transition in La2NiO4+δ: Challenging High-Temperature Superconductivity Claimed for Single-Layer Lanthanum Nickelates9
Flat top optical frequency combs based on a single-core quantum cascade laser at the wavelength of ~8.7 μm9
Solitons in the Fifth-Order KdV Equation with a Perturbation9
Electrochemical Role of Transition Metals in Sn–Fe Alloy Revealed by Operando Magnetometry9
Light-Induced Phonon-Mediated Magnetization in Monolayer MoS29
Physical Origin of Color Changes in Lutetium Hydride under Pressure9
Coupled Ferroelectricity and Correlated States in a Twisted Quadrilayer MoS2 Moiré Superlattice9
Quasi-Two-Dimensional Nature of High-T c Superconductivity in Iron-Based (Li,Fe)OHFeSe9
Coherent Optical Frequency Transfer via a 490 km Noisy Fiber Link9
Nanocavity-Mediated Fast Magnetic Vortex Core In-Situ Switching by Local Magnetic Field9
Multi-Pseudo Peakons in the b-Family Fifth-Order Camassa–Holm Model9
Valence Quark Ratio in the Proton9
Generation of High-Quality Single-Photon Sources in Cavity Optomagnonics9
Ultralight Scalar and Axion Dark Matter Detection with Long-Baseline Atom Interferometers9
Edge Transport and Self-Assembly of Passive Objects in a Chiral Active Fluid*9
Charge Density Wave and Electron-Phonon Interaction in Epitaxial Monolayer NbSe2 Films9
Enhancement of Ising superconductivity in Pb1-x Bi x ultrathin films9
Ultrafast Fiber Laser Based on Tungsten Sulphoselenide Materials9
Solitons and Their Biperiodic Pulsation in Ultrafast Fiber Lasers Based on CB/GO9
Switchable Spin-Selective Transmission in Nano-Kirigami Metasurfaces8
Computational Prediction of a Novel Superhard sp 3 Trigonal Carbon Allotrope with Bandgap Larger than Diamond8
Nonreciprocal Photon Blockade Based on Zeeman Splittings Induced by a Fictitious Magnetic Field8
Dynamic Cantilever Magnetometry of Paramagnetism with Slow Relaxation8
Manipulating Skyrmion Motion on a Nanotrack with Varied Material Parameters and Tilted Spin Currents8
Exploring Sulfur Chemistry in TMC-1 with NSRT8
Local Rotational Jamming and Multi-Stage Hyperuniformities in an Active Spinner System8
A New Device Concept of Magnetic Confinement Deuterium–Deuterium Fusion8
Reverse Rotation of Ring-Shaped Perturbation on Homogeneous Bose–Einstein Condensates8
Influence of Device Geometry on Transport Properties of Topological Insulator Microflakes8
Magnetic Interactions and Band Gaps of the (CrO2)2/(MgH2) n Superlattices8
Tuning the Mottness in Sr3Ir2O7 via Bridging Oxygen Vacancies8
All-Optical Switches for Optical Soliton Interactions in a Birefringent Fiber8
Helicity-Controlled Spin Hall Angle in 2D Altermagnets with Rashba Spin-Orbit Coupling8
Demonstration of Einstein–Podolsky–Rosen Steering with Multiple Observers via Sequential Measurements8
Emergence of High-Temperature Superconducting Phase in Pressurized La3Ni2O7 Crystals8
Analytic S-Shaped Temperature Dependence of Peak Positions of the Localized-State Ensemble Luminescence and Application in the Analysis of Luminescence in Non- and Semi-Polar InGaN/GaN Quantum-Wells M8
Global Effects on Drift Wave Microturbulence in Tokamak Plasmas8
Resonant Scattering of Gravitational Waves with Electromagnetic Waves8
First Results from the Underground Nuclear Reaction Experiments in JUNA8
Parameters Optimization of Decoy-State Phase-Matching Quantum Key Distribution Based on the Nature-Inspired Algorithms7
Three-Soliton Interactions and the Implementation of Their All-Optical Switching Function7
Strong Coupled Magnetic and Electric Ordering in Monolayer of Metal Thio(seleno)phosphates7
Improvement of Photoluminescence of Perovskite CH3NH3PbI3 by Adding Additional CH3NH3I during Grinding7
Photoemission Spectroscopic Evidence of Multiple Dirac Cones in Superconducting BaSn37
Multi-mode Bus Coupling Architecture of Superconducting Quantum Processor7
Magnetic Anisotropy Induced by Orbital Occupation States in La0.67Sr0.33MnO3 Films7
In Situ Epitaxy of Pure Phase Ultra-Thin InAs-Al Nanowires for Quantum Devices7
Multiband Dynamics of Extended Harmonic Generation in Solids under Ultraviolet Injection7
Impact of Quantum Coherence on Inelastic Thermoelectric Devices: From Diode to Transistor7
Low-Noise Intensity Amplification of a Bright Entangled Beam7
Extension of Linear Response Regime in Weak-Value Amplification Technique7
Design and Development of a High-Performance LED-Side-Pumped Nd:YAG Rod Laser7
Perfect DD* Molecular Prediction Matching the T cc Observation at LHCb7
Observation of Multiple Broadband Alfvénic Chirping Modes in HL-2A NBI Plasmas7
Whispering Gallery Mode Lasing Performance’s Evolution of Floating GaN Microdisks Varying with Their Thickness7
Random-Gate-Voltage Induced Al’tshuler–Aronov–Spivak Effect in Topological Edge States7
Modulation of Steady-State Heat Transport in a Dissipative Multi-Mode Qubit-Photon System7
Recent Developments on the HI Gas of Low-Redshift Galaxies Seen by the 21 cm Emission Lines7
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