60. CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES
61. Structure of solids and liquids; crystallography
61.10.-i X-ray diffraction and scattering
61.10.Dp Theories of X-ray diffraction and scattering
61.10.Eq X-ray scattering including small-angle scattering
61.10.Ht X-ray absorption spectroscopy including EXAFS, NEXAFS, XANES, etc
61.10.Kw X-ray reflectometry (surfaces, interfaces, films)
61.10.Nz X-ray diffraction
61.12.-q Neutron diffraction and scattering
61.12.Bt Theories of neutron diffraction and scattering
61.12.Ex Neutron scattering (including small-angle scattering)
61.12.Ha Neutron reflectometry
61.12.Ld Neutron diffraction
61.14.-x Electron diffraction and scattering
61.14.Dc Theories of electron diffraction and scattering
61.14.Hg Low-energy electron diffraction (LEED) and reflection high-energy electron diffraction (RHEED)
61.14.Lj Convergent-beam electron diffraction, selected-area electron diffraction, nanodiffraction
61.14.Nm Electron holography
61.14.Qp X-ray photoelectron diffraction
61.18.-j Other methods of structure determination
61.18.Bn Atom, molecule, and ion scattering (structure determination)
61.18.Fs Magnetic resonance techniques; Mössbauer spectroscopy (structure determination)
61.20.-p Structure of liquids
61.20.Gy Theory and models of liquid structure
61.20.Ja Computer simulation of liquid structure
61.20.Lc Time-dependent properties of liquid structure; relaxation
61.20.Ne Structure of simple liquids
61.20.Qg Structure of associated liquids including electrolytes, molten salts, etc
61.25.-f Studies of specific liquid structures
61.25.Bi Structure of liquid noble gases
61.25.Em Structure of molecular liquids
61.25.Hq Structure of macromolecular and polymer solutions, and polymer melts; swelling
61.25.Mv Structure of liquid metals and alloys
61.30.-v Liquid crystals
61.30.Cz Molecular and microscopic models and theories of liquid crystal structure
61.30.Dk Continuum models and theories of liquid crystal structure
61.30.Eb Experimental determinations of smectic, nematic, cholesteric, and other structures
61.30.Gd Orientational order of liquid crystals in electric and magnetic fields
61.30.Hn Surface phenomena in liquid crystals including anchoring, anchoring transitions, surface-induced layering, surface-induced ordering, wetting, prewetting transitions, and wetting transitions
61.30.Jf Defects in liquid crystals
61.30.Mp Blue phases and other liquid crystalline defect phases
61.30.Pq Microconfined liquid crystals including droplets, cylinders, randomly confined liquid crystals, polymer dispersed liquid crystals and porous systems
61.30.St Lyotropic phases
61.30.Vx Polymer liquid crystals
61.41.+e Structure of polymers, elastomers, and plastics
61.43.-j Structure of disordered solids
61.43.Bn Structural modeling of disordered solids including serial-addition models, computer simulation
61.43.Dq Structure of amorphous semiconductors, metals, and alloys
61.43.Er Structure of other amorphous solids excluding amorphous semiconductors, metals, and alloys, glasses, powders and porous materials
61.43.Fs Structure of glasses
61.43.Gt Structure of powders and porous materials
61.43.Hv Fractals in disordered solids; macroscopic aggregates including diffusion-limited aggregates
61.44.-n Structure of semi-periodic solids
61.44.Br Structure of quasicrystals
61.44.Fw Structure of incommensurate crystals
61.46.+w Structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
61.48.+c Structure of fullerenes and fullerene-related materials
61.50.-f Crystalline state
61.50.Ah Theory of crystal structure, crystal symmetry; calculations and modeling
61.50.Ks Crystallographic aspects of phase transformations; pressure effects
61.50.Lt Crystal binding; cohesive energy
61.50.Nw Crystal stoichiometry
61.66.-f Structure of specific crystalline solids
61.66.Bi Crystal structure of specific elemental solids
61.66.Dk Crystal structure of specific alloys
61.66.Fn Crystal structure of specific inorganic compounds
61.66.Hq Crystal structure of specific organic compounds
61.68.+n Crystallographic databases
61.72.-y Defects and impurities in crystals; microstructure
61.72.Bb Theories and models of crystal defects
61.72.Cc Kinetics of defect formation and annealing
61.72.Dd Experimental determination of defects by diffraction and scattering
61.72.Ff Direct observation of dislocations and other defects including etch pits, decoration, electron microscopy, x-ray topography, etc.
61.72.Hh Indirect evidence of dislocations and other defects including resistivity, slip, creep, strains, internal friction, EPR, NMR, etc.
61.72.Ji Point defects and defect clusters including vacancies, interstitials, color centers, etc.
61.72.Lk Linear defects: dislocations, disclinations
61.72.Mm Grain and twin boundaries
61.72.Nn Stacking faults and other planar or extended defects
61.72.Qq Microscopic defects (voids, inclusions, etc.)
61.72.Ss Impurity concentration, distribution, and gradients
61.72.Tt Doping and impurity implantation in germanium and silicon
61.72.Vv Doping and impurity implantation in III-V and II-VI semiconductors
61.72.Ww Doping and impurity implantation in other materials excluding germanium, silicon, II-VI and III-V semiconductors
61.72.Yx Interaction between different crystal defects including gettering effect
61.80.-x Physical radiation effects, radiation damage
61.80.Az Theory and models of radiation effects
61.80.Ba Ultraviolet, visible, and infrared radiation effects including laser radiation
61.80.Cb X-ray effects
61.80.Ed gamma-ray effects
61.80.Fe Electron and positron radiation effects
61.80.Hg Neutron radiation effects
61.80.Jh Ion radiation effects
61.80.Lj Atom and molecule irradiation effects
61.82.-d Radiation effects on specific materials
61.82.Bg Radiation effects on metals and alloys
61.82.Fk Radiation effects on semiconductors
61.82.Ms Radiation effects on insulators
61.82.Pv Radiation effects on polymers and organic compounds
61.82.Rx Radiation effects on nanocrystalline materials
61.85.+p Channeling phenomena including blocking, energy loss, etc
61.90.+d Other topics in structure of solids and liquids; crystallography (restricted to new topics in section 61)
62. Mechanical and acoustical properties of condensed matter
62.10.+s Mechanical properties of liquids
62.20.-x Mechanical properties of solids
62.20.Dc Elasticity, elastic constants
62.20.Fe Deformation and plasticity including yield, ductility, and superplasticity
62.20.Hg Creep
62.20.Mk Fatigue, brittleness, fracture, and cracks
62.20.Qp Tribology and hardness
62.25.+g Mechanical properties of nanoscale materials
62.30.+d Mechanical and elastic waves; vibrations in condensed matter
62.40.+i Anelasticity, internal friction, stress relaxation, and mechanical resonances
62.50.+p High-pressure and shock wave effects in solids and liquids
62.60.+v Acoustical properties of liquids
62.65.+k Acoustical properties of solids
62.80.+f Ultrasonic relaxation in condensed matter
62.90.+k Other topics in mechanical and acoustical properties of condensed matter (restricted to new topics in section 62)
63. Lattice dynamics
63.10.+a General theory of lattice dynamics
63.20.-e Phonons in crystal lattices
63.20.Dj Phonon states and bands, normal modes, and phonon dispersion
63.20.Kr Phonon-electron and phonon-phonon interactions
63.20.Ls Phonon interactions with other quasiparticles
63.20.Mt Phonon-+A3721defect interactions
63.20.Pw Localized modes in crystal lattices
63.20.Ry Anharmonic lattice modes
63.22.+m Phonons or vibrational states in low-dimensional structures and nanoscale materials
63.50.+x Vibrational states in disordered systems
63.70.+h Statistical mechanics of lattice vibrations and displacive phase transitions
63.90.+t Other topics in lattice dynamics (restricted to new topics in section 63)
64. Equations of state, phase equilibria, and phase transitions
64.10.+h General theory of equations of state and phase equilibria
64.30.+t Equations of state of specific substances
64.60.-i General studies of phase transitions
64.60.Ak Renormalization-group, fractal, and percolation studies of phase transitions
64.60.Cn Order-disorder transformations; statistical mechanics of model systems
64.60.Fr Equilibrium properties near critical points, critical exponents
64.60.Ht Dynamic critical phenomena
64.60.Kw Multicritical points
64.60.My Metastable phases
64.60.Qb Nucleation in phase transitions
64.70.-p Specific phase transitions
64.70.Dv Solid-liquid transitions
64.70.Fx Liquid-vapor transitions
64.70.Hz Solid-vapor transitions
64.70.Ja Liquid-liquid transitions
64.70.Kb Solid-solid transitions
64.70.Md Transitions in liquid crystals
64.70.Nd Structural transitions in nanoscale materials
64.70.Pf Glass transitions
64.70.Rh Commensurate-incommensurate transitions
64.75.+g Solubility, segregation, and mixing; phase separation
64.90.+b Other topics in equations of state, phase equilibria, and phase transitions (restricted to new topics in section 64)
65. Thermal properties of condensed matter
65.20.+w Thermal properties of liquids: heat capacity, thermal expansion, etc
65.40.-b Thermal properties of crystalline solids
65.40.Ba Heat capacity of crystalline solids
65.40.De Thermal expansion; thermomechanical effects (crystalline solids)
65.40.Gr Entropy and other thermodynamical quantities of crystalline solids
65.60.+a Thermal properties of amorphous solids and glasses including heat capacity, thermal expansion, etc
65.80.+n Thermal properties of small particles, nanocrystals, nanotubes
65.90.+i Other topics in thermal properties of condensed matter (restricted to new topics in section 65)
66. Transport properties of condensed matter (nonelectronic)
66.10.-x Diffusion and ionic conduction in liquids
66.10.Cb Diffusion and thermal diffusion in liquids
66.10.Ed Ionic conduction in liquids
66.20.+d Viscosity of liquids; diffusive momentum transport
66.30.-h Diffusion in solids
66.30.Dn Theory of diffusion and ionic conduction in solids
66.30.Fq Self-diffusion in solid metals, semimetals, and alloys
66.30.Hs Self-diffusion and ionic conduction in solid nonmetals
66.30.Jt Diffusion of impurities in solids
66.30.Lw Diffusion of other defects in solids
66.30.Ny Chemical interdiffusion in solids including diffusion barriers
66.30.Pa Diffusion in nanoscale solids
66.30.Qa Electromigration in solids
66.30.Xj Thermal diffusivity
66.35.+a Quantum tunneling of defects
66.60.+a Thermal conduction in nonmetallic liquids
66.70.+f Nonelectronic thermal conduction and heat-pulse propagation in solids including thermal waves
66.90.+r Other topics in nonelectronic transport properties of condensed matter (restricted to new topics in section 66)
67. Quantum fluids and solids; liquid and solid helium
67.20.+k Quantum effects on the structure and dynamics of nondegenerate fluids (e.g., normal phase liquid 4He)
67.40.-w Boson degeneracy and superfluidity of 4He
67.40.Bz Phenomenology and two-fluid models (liquid 4He)
67.40.Db Quantum statistical theory; ground state, elementary excitations (liquid 4He)
67.40.Fd Dynamics of relaxation phenomena (liquid 4He)
67.40.Hf Hydrodynamics in specific geometries, flow in narrow channels (liquid 4He)
67.40.Jg Ions in liquid 4He
67.40.Kh Thermodynamic properties (liquid 4He)
67.40.Mj First sound (liquid 4He)
67.40.Pm Transport processes, second and other sounds, and thermal counterflow; Kapitza resistance (liquid 4He)
67.40.Rp Films and weak link transport (liquid 4He)
67.40.Vs Vortices and turbulence (liquid 4He)
67.40.Yv Impurities and other defects (liquid 4He)
67.55.-s Normal phase of liquid 3He
67.55.Cx Thermodynamic properties (normal liquid 3He)
67.55.Fa Hydrodynamics (normal liquid 3He)
67.55.Hc Transport properties (normal liquid 3He)
67.55.Ig Ions in normal liquid 3He
67.55.Jd Collective modes (normal liquid 3He)
67.55.Lf Impurities (normal liquid 3He)
67.57.-z Superfluid phase of liquid 3He
67.57.Bc Thermodynamic properties (superfluid 3He)
67.57.De Superflow and hydrodynamics (superfluid 3He)
67.57.Fg Textures and vortices (superfluid 3He)
67.57.Gh Ions in superfluid 3He
67.57.Hi Transport properties (superfluid 3He)
67.57.Jj Collective modes (superfluid 3He)
67.57.Lm Spin dynamics (superfluid 3He)
67.57.Np Behavior near interfaces (superfluid 3He)
67.57.Pq Impurities (superfluid 3He)
67.60.-g Mixed systems; liquid 3He, 4He mixtures
67.60.Dm Liquid HeI-3He mixtures
67.60.Fp Liquid HeII-3He mixtures
67.60.Hr Dilute superfluid 3He in He II
67.60.Js Ions in liquid 3He-4He mixtures
67.65.+z Spin-polarized hydrogen and helium
67.70.+n Films of quantum fluids and solids including physical adsorption
67.80.-s Solid helium and related quantum crystals
67.80.Cx Structure, lattice dynamics, and sound propagation (solid helium/quantum crystals)
67.80.Gb Thermal properties (solid helium/quantum crystals)
67.80.Jd Magnetic properties and nuclear magnetic resonance (solid helium/quantum crystals)
67.80.Mg Defects, impurities, and diffusion (solid helium/quantum crystals)
67.90.+z Other topics in quantum fluids and solids; liquid and solid helium (restricted to new topics in section 67)
68. Surfaces and interfaces; thin films and low-dimensional systems (structure and nonelectronic properties)
68.03.-g Gas-liquid and vacuum-liquid interfaces
68.03.Cd Surface tension and related phenomena
68.03.Fg Evaporation and condensation (gas-liquid and vacuum-liquid interfaces)
68.03.Hj Structure, measurements and simulations (gas-liquid and vacuum-liquid interfaces)
68.03.Kn Dynamics (gas-liquid and vacuum-liquid interfaces) including capillary waves
68.05.-n Liquid-liquid interfaces
68.05.Cf Structure, measurements and simulations (liquid-liquid interfaces)
68.05.Gh Interfacial properties of microemulsions
68.08.-p Liquid-solid interfaces
68.08.Bc Wetting
68.08.De Structure, measurements and simulations (liquid-solid interfaces)
68.15.+e Liquid thin films
68.18.-g Langmuir-Blodgett films on liquids
68.18.Fg Structure, measurements and simulations (LB films on liquids)
68.18.Jk Phase transitions (LB films on liquids)
68.35.-p Solid surfaces and solid-solid interfaces: structure and energetics
68.35.Af Atomic scale friction (solid surfaces/interfaces)
68.35.Bs Structure of clean solid surfaces (reconstruction)
68.35.Ct Solid-solid interface structure and roughness
68.35.Dv Composition, segregation; defects and impurities (solid surfaces/interfaces)
68.35.Fx Diffusion; interface formation (solid surfaces)
68.35.Gy Mechanical properties and surface strains of solid surfaces and interfaces including adhesion
68.35.Iv Acoustical properties (solid surfaces/interfaces)
68.35.Ja Solid surface and interface dynamics and vibrations
68.35.Md Surface thermodynamics and surface energies of solids
68.35.Np Adhesion
68.35.Rh Phase transitions and critical phenomena (solid surfaces/interfaces)
68.37.-d Microscopy of surfaces, interfaces, and thin films
68.37.Ef Scanning tunneling microscopy of surfaces, interfaces and thin films including chemistry induced with STM
68.37.Hk Scanning electron microscopy (SEM) of surfaces, interfaces and thin films including EBIC
68.37.Lp Transmission electron microscopy (TEM) of surfaces, interfaces and thin films including STEM, HRTEM, etc
68.37.Nq Low energy electron microscopy (LEEM) of surfaces, interfaces and thin films
68.37.Ps Atomic force microscopy (AFM) of surfaces, interfaces and thin films
68.37.Rt Magnetic force microscopy (MFM) of surfaces, interfaces and thin films
68.37.Tj Acoustic force microscopy of surfaces, interfaces and thin films
68.37.Uv Near-field scanning microscopy and spectroscopy of surfaces, interfaces and thin films
68.37.Vj Field emission and field-ion microscopy of surfaces, interfaces and thin films
68.37.Xy Scanning Auger microscopy, photoelectron microscopy of surfaces, interfaces and thin films
68.37.Yz X-ray microscopy of surfaces, interfaces and thin films
68.43.-h Chemisorption/physisorption: adsorbates on surfaces
68.43.Bc Ab initio calculations of adsorbate structure and reactions
68.43.De Statistical mechanics of adsorbates
68.43.Fg Adsorbate structure (binding sites, geometry)
68.43.Hn Structure of assemblies of adsorbates (two- and three-dimensional clustering)
68.43.Jk Diffusion of adsorbates, kinetics of coarsening and aggregation
68.43.Mn Adsorption/desorption kinetics
68.43.Pq Adsorbate vibrations
68.43.Rs Electron stimulated desorption
68.43.Tj Photon stimulated desorption
68.43.Vx Thermal desorption
68.47.-b Solid-gas/vacuum interfaces: types of surfaces
68.47.De Metallic surfaces
68.47.Fg Semiconductor surfaces
68.47.Gh Oxide surfaces
68.47.Jn Clusters on oxide surfaces
68.47.Mn Polymer surfaces
68.47.Pe Langmuir-Blodgett films on solids; polymers on surfaces; biological molecules on surfaces
68.49.-h Surface characterization by particle-surface scattering
68.49.Bc Atom scattering from surfaces including diffraction and energy transfer
68.49.Df Molecule scattering from surfaces including energy transfer, resonances, trapping
68.49.Fg Cluster scattering from surfaces
68.49.Jk Electron scattering from surfaces
68.49.Sf Ion scattering from surfaces including charge transfer, sputtering
68.49.Uv X-ray standing waves (surface characterization)
68.55.-a Thin film structure and morphology
68.55.Ac Thin film nucleation and growth: microscopic aspects
68.55.Jk Thin film structure and morphology; thickness; crystalline orientation and texture
68.55.Ln Thin film defects and impurities including doping, implantation, distribution, concentration, etc
68.55.Nq Thin film composition and phase identification
68.60.-p Physical properties of thin films, nonelectronic
68.60.Bs Mechanical and acoustical properties of thin films
68.60.Dv Thermal stability of thin films; thermal effects
68.60.Wm Other nonelectronic physical properties of thin films
68.65.-k Low-dimensional, mesoscopic, and nanoscale systems: structure and nonelectronic properties
68.65.Ac Multilayers (structure and nonelectronic properties)
68.65.Cd Superlattices (structure and nonelectronic properties)
68.65.Fg Quantum wells (structure and nonelectronic properties)
68.65.Hb Quantum dots (structure and nonelectronic properties)
68.65.La Quantum wires (structure and nonelectronic properties)
68.70.+w Whiskers and dendrites including growth, structure, and nonelectronic properties
68.90.+g Other topics in structure, and nonelectronic properties of surfaces and interfaces; thin films and low-dimensional structures (restricted to new topics in section 68)