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 Questioning Current Flow Through a Semiconductor
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Undergrad Why is BOTH the electron & hole drift velocity positive?
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Undergrad Hall effect and semiconductors
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Undergrad What is meant by Early atomic models predicted noble gas stable
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Undergrad Ferromagnetism versus Paramagnetism
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Undergrad Head Loss in Pipe - Roughness, Velocity, Length
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Undergrad What is Autoionization? Understanding the Concept of Autoionization State
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Undergrad Origin of the depletion region in a p-n junction
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Undergrad What is the calculation for effective nuclear charge using Slater's Rules?
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Undergrad Why is Si indirect semiconductor
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Undergrad Radioactivity - quantum tunnelling
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Undergrad How Does the Mass of a Hole Exceed That of an Electron in Semiconductors?
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Undergrad Heat is just kinetic energy at a molecular level, right?
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Undergrad How Do Molecular Forces Influence Material Properties and Binding Energy?
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Undergrad Is a proton a hydrogen cation and vice versa?
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Undergrad What are all of the subatomic particles?
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Undergrad The components of atoms and their effects on its properties
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Undergrad Specfic question about the formation of the depletion region in a pn junction
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Undergrad Why Does Bragg's Law Require Integers?
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Undergrad What are atomic energy levels?
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Undergrad How do Covalent Bonds Produce Color?
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Undergrad Simple question How to calculate the mean free path
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Undergrad What is the meaning of electron states ?
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Undergrad Question on resonant frequency?
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Undergrad Why is 1 u = 1.6605 x 10^-27 kg?
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Undergrad Millikan Oil Drop: Atom Size & Ions
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Undergrad Junction diode - unequally doped sides
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Undergrad Question about absorption spectra
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Undergrad Different model explaining semiconductor
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Undergrad Is neutral nitrogen the same as N2 (nitrogen gas)?
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Undergrad Why do extrinsic semiconductors behave intrinsically at high temperatures?
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Undergrad Considering volume of atom , what radius
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Undergrad Where Can I Find an Affordable Vibrating Sample Magnetometer Head?
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Undergrad Help in semiconductors: minority and majority carriers
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Undergrad Looking up Atomic Transition Energies
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Undergrad Don't get the conduction band in solid
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Undergrad Nucleons, mass defect, and mass
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Undergrad Connecting a glass dewar flask to a vacuum system
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Undergrad Transparency of molten substances?
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Undergrad Radiation Diode Detector Doping question.
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Undergrad Power Spectral Density of a laser
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Undergrad How does Rutherford's Atomic Model explain energy loss in revolving electrons?
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Undergrad What does invalid pair_style mean in LAMMPS?
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Undergrad Semiconductors + p-n junction doubt
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Undergrad On probability of a MonteCarlo step
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Undergrad Atomic/Ionic Radii: Helium vs. Lithium+ (ion)
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Undergrad Scherrer Equation unit dilemma
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Undergrad Electron Paramagnetic Resonance Spectroscopy
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Undergrad Simple New Way to Make Graphene
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Undergrad Is DFT Still the Go-To Method for Electronic Structure Calculations?
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Undergrad Understanding Law of Mass Action
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Undergrad LEDs and Solid State Devices: Lifespan Explained
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Undergrad Can Graphene Be Used for Visible Displays Despite Being One Atom Thick?
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Undergrad Raman spectroscopy-vibrational modes
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Undergrad Understanding Brownian Motion: Statistics & Standard Deviation
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Undergrad Is Gauss's Law Applicable in Atomic Scales?
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Undergrad Help with connection between crystal and xray
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Undergrad What do roman numerals mean in spectroscopic data
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Undergrad Bohr Model of Atom: Stability Condition Explained
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Undergrad Crystals: difference between basis and unit cell
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Undergrad Understanding Charge Carriers in Semiconductor Junctions
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Undergrad Calculating Ionization Energy of Elements Beyond H
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Undergrad Hertz level of solid state matter
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Undergrad Bremsstrahlung X-rays Energy Limit
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Undergrad Why does Ammonia have such a high specific heat capacity?
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Undergrad Why Can't Electrons Occupy the Band Gap in a Material?
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Undergrad When Daughter Activity Becomes Equal To Parent Activity
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Undergrad What comes out of an 'atomic oven' - atoms, ions?
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Undergrad As we know that conductivity of semicondutors can be increased or
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Undergrad Why Can't the Voltage at a PN Junction be Measured from the Outside?
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Undergrad Faynman talks about atoms repelling and attracting each other
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Undergrad Difference between longitudinal and transverse refractive indices
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Undergrad Electrons and holes: how can holes have a mass?
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Undergrad How do electrons move through a conductor
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Undergrad Are BJT transistors voltage or current controlled?
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Undergrad What is the difference between valence and conduction bands in metallic bonding?
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Undergrad Ultra-Dense Deuterium: Is it Useful for Spacecraft?
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Undergrad Relationship between light intensity and current
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Undergrad Is the shape of an atom really spherical or is there more to it?
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Undergrad Electronic Band Structure, Ionization Energy
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Undergrad D spacing from X-ray diffraction data
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Undergrad Why are most of the ionic crystals Diamagnetism
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Undergrad What is the Mean Free Path of water in it's liquid state?
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Undergrad Electron drift speed in metals
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Undergrad What Are the Key Differences Between Quantum and Classical Effects in Physics?
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Undergrad Conductors and their increase of resistance with temperature
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Undergrad Chemistry Bonding: Why Are Atoms Bonded?
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Undergrad XRD Data Assistance: Miller Indices | Help with YBCO
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Undergrad Metals: Understand Nickel Electrons & Nuclei
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Undergrad PV Diagram of a monoatomic gas and diatomic gas
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Undergrad Graphene super strong but not graphite?
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Undergrad Molecular Orbital energy levels
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Undergrad Colour of inox steel surface upon heating
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Undergrad Band structure and fermi surface of copper
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Undergrad Calculating NIR Path Length for Gas Absorption Analysis
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Undergrad The Mystery of the Mass of a Vacancy
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Undergrad Semiconductors - role of displaced Silicon or Germanium
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Undergrad Quauntum mechanics, what is it
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Undergrad Band diagram of intrinsic semiconductors
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Undergrad I am buying a laser diode but cant understand some parameters
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