Atomic and Condensed Matter Forum

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Join in expert discussion on atomic and condensed matter. Methods for atoms, molecules, condensed matter. This includes the structure of the atom, its energy states, and its interactions.
Undergrad Density of states at Fermi level for metal vs semiconductor
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Undergrad The Mystery of the Fermi Surface & Semiconductors
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Undergrad Monoclinic Cell Rotation for Surface Calculations
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Undergrad S & P Bands Explained: Bloch's Theory of Formation
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Undergrad Space Group Duplicates: Is it Possible for Monoatomic Crystals?
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Undergrad Just to check Schrodinger equation with 2 electrons
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Undergrad Piezoelectric crystal energy restoration
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Undergrad Why is the valence band maxima at k = 0?
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Undergrad Number of electrons in conduction band
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Undergrad Planck formula and density of photons
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Undergrad Does ARPES Only Show Fermi Surface of a Structure?
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Undergrad What Are the Key Uses and Historical Significance of E-k Diagrams?
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Undergrad Spectrum of emission in photoluminescence
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Undergrad Calculating Cooper Pair Density in Niobium/YBCO
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Undergrad (old?) spectroscopy analysis notation
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Undergrad CMA (Cylindrical Mirror Analyzer)
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Undergrad Does substrate choice impact resistivity in VO2 thin films?
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Undergrad Two Ferromagnets with Opposite Electron Spins
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Undergrad Why Is Crystal-Field Splitting Different for f-Orbitals Compared to d-Orbitals?
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Undergrad Volume in K space occupied per allowed state
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Undergrad Why Don't CO2 Lasers Operate at 2400cm^-1?
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Undergrad What breaks time reversal symmetry in ferromagnets
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Undergrad Consistency of atomic magnetic dipole spatial orientation wi
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Undergrad What is the Plasmon Wave Size?
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Undergrad Can Cooper Pairs in Superconductors Interact Over Long Distances?
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Undergrad Mass Spectrum Analysis: Identifying Mass & Charge
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Undergrad Pound-Drever-Hall frequency stabilisation technique
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Undergrad Structural differences between W, WC, and W2C?
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Undergrad Band structure and valence electrons
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Undergrad How Is the Ion Lattice Approximation Justified in Electron Dynamics?
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Undergrad PN Junction Current: Understanding Dependence on Parameters
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Undergrad How Do Charge-less Molecules Like Methane Absorb Light?
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Undergrad Electron motion in the plum pudding model
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Undergrad Partition Function: 2 Approaches & Questions Answered
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Undergrad Fermi sphere and density of states
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Undergrad Does the ionic background of a crystal affect the index?
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Undergrad Double heterostructure junction in forward and zero bias
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Undergrad Are there energy bands for alloys?
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Undergrad Reflectance of metals at low frequencies
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Undergrad Non-zero current from a completely filled band
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Undergrad Why superconductors have zero resistance
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Undergrad Difference between solid-state, semiconductor and gas lasers
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Undergrad Will ethanol destroy double layered graphene?
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Undergrad Transmittance and Absorbtion of light
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Undergrad How is a top gate used to change electron density?
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Undergrad About standing waves and reasonance
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Undergrad Highest Order Diffraction Ring
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Undergrad Understanding the Derivation of Effective Mass Approximation in Semiconductors
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Undergrad Hyperpolarizability and second order susceptibility
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Undergrad Boltzmann distribution for spin-1/2 dipole: high T limit
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Undergrad Why does the magnetisation orient itself in the -y direction
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Undergrad Why does high surface energy of the solid have more wetting?
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Undergrad Difference between Zero-Field Cooling and Field Cooling
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Undergrad Emission spectroscopy of an acetylene flame
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Undergrad What is the theoretical basis for Kramer's Law?
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Undergrad Distinguishing Blackbody and Atomic Spectra of the Sun
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Undergrad Rutherford's Atomic Model: Rejected by Physicists?
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Undergrad Bloch's theorem infinite system?
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Undergrad Matter cutting by destabilising of atoms bonding
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Undergrad Volume of velocity-space in Maxwell-Boltzmann distribution
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Undergrad Boltzmann distribution: isothermal atmosphere error?
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Undergrad Bandgap Energy and refractive index
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Undergrad Do all solids have a crystalline organized structure?
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Undergrad Diffusion of carriers in a double heterostructure
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Undergrad What is the Bremsstrahlung Spectrum function?
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Undergrad Spectra Units: cm^(-1)? | KQ6UP
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Undergrad Built-in potential in pn junction
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Undergrad Pump Probe Spectroscopy: Introduction to a Powerful Technique
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Undergrad Evaluating Scattering Integral
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Undergrad Resonant Frequency of an Atom in an Atomic Clock
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Undergrad Pn junction to reach thermal equilibrium
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Undergrad Bond length of a hydrogen bond
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Undergrad What factors influence the crystal structure of metals?
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Undergrad Carrier Concentration in a Semiconductor
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Undergrad Energy levels in atoms & speed of interaction
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Undergrad What octahedral site is preferred by carbon?
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Undergrad Photoluminescence Excitation (PLE) vs PL spectroscopy
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Undergrad What is the volime of a k-state?
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Undergrad Calculation of the absorption coefficient for GaAs
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Undergrad Localized and delocalized states, meaning? in Organics
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Undergrad Quasi Fermi level and intrinsic Fermi energy
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Undergrad What does total number of atomic sites mean ?
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Undergrad Velocity saturation and mobility in metals and semiconductor
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Undergrad Finding the vibrational partition function of a diatomic molecule
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Undergrad A diamagnet inside a magnetized hollow cylinder
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Undergrad Diamagnetism vs. paramagnetism in solid state
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Undergrad Kinetic energy with effective mass
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Undergrad Basic band theory question, free electron model
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Undergrad Origin of 12th power dependency of Pauli repulsion?
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Undergrad Why is the work function measured from the Fermi level?
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Undergrad Position of Fermi Energy for Semi-Conductors
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Undergrad Query about statistical ensemble and Liouville's Theorem
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Undergrad Effective mass position dependent
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Undergrad Drawing a reciprocal lattice, also basis
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Undergrad Current in magnetized materials
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Undergrad Theoretical explanation for Dispersion? (Sellmeier)
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Undergrad Suggestion for Research Project on Optical Nanoantenna
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Undergrad Atom Nucleus: Geiger/Marsden Experiments & Results
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Undergrad Can a Piezo Crystal be Used as a Segmented Actuator for Voltage Measurements?
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Undergrad Field Effect Transistor - High Input Impedance
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