Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

An ionic compound is stable because of the electrostatic attraction between its positive and negative ions. The lattice energy of a compound is a measure of the strength of this attraction. The lattice energy (ΔHlattice) of an ionic compound is defined as the energy required to separate one mole of the solid into its component gaseous ions. For the ionic solid sodium chloride, the lattice energy is the enthalpy change of the process:
The Born-Haber Cycle02:44

The Born-Haber Cycle

Lattice Energy
Lattice Energies of Ionic Crystals01:27

Lattice Energies of Ionic Crystals

Lattice energy represents the energy released when gaseous cations and anions combine to form an ionic solid, reflecting the strength of electrostatic interactions within the crystal. This process is fundamentally governed by Coulombic attraction between oppositely charged ions, where the potential energy varies inversely with the interionic distance and directly with the product of ionic charges. As ions approach one another, the electrostatic energy becomes increasingly negative, indicating a...
Valence Bond Theory02:42

Valence Bond Theory

Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
Fermi Level Dynamics01:12

Fermi Level Dynamics

The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
Imperfections in Crystal Structure: Stoichiometric Point Defects01:26

Imperfections in Crystal Structure: Stoichiometric Point Defects

Schottky defects arise when some lattice points in a crystal, such as those in NaCl, remain unoccupied, creating lattice vacancies without disturbing the overall electrical neutrality of the crystal. This defect is common in ionic crystals where the positive and negative ions are similar in size, as seen in sodium chloride and cesium chloride. The presence of Schottky defects enables the crystal to conduct electricity to a small extent through an ionic mechanism. Electric fields cause nearby...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Pilot study of ultrasound-guided microwave ablation for inactivating excess remnant thyroid after surgery in patients with differentiated thyroid cancer.

BMC cancer·2025
Same author

Pressure-Induced Exciton Formation and Superconductivity in Platinum-Based Mineral Sperrylite.

Materials (Basel, Switzerland)·2024
Same author

Real-life use of delamanid: results from the European post-authorisation safety study.

IJTLD open·2024
Same author

Vegetation resilience assessment and its climatic driving factors: Evidence from surface coal mines in northern China.

The Science of the total environment·2024
Same author

Sarcopenia index as a predictor of clinical outcomes among older adult patients with acute exacerbation of chronic obstructive pulmonary disease: a cross-sectional study.

BMC geriatrics·2023
Same author

The scaled-invariant Planckian metal and quantum criticality in Ce<sub>1-x</sub>Nd<sub>x</sub>CoIn<sub>5</sub>.

Nature communications·2023

Related Experiment Video

Updated: May 21, 2026

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers
12:20

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers

Published on: October 5, 2013

Lattice dynamics of FeSb2.

N Lazarević1, M M Radonjić, D Tanasković

  • 1Center for Solid State Physics and New Materials, Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia. nenad.lazarevic@ipb.ac.rs

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|May 30, 2012
PubMed
Summary

This study explores iron antimonide (FeSb2) lattice dynamics using density functional theory and Raman spectroscopy. Researchers observed strong A(g) mode mixing and repulsion upon cobalt doping, with no electron-phonon interaction signatures.

More Related Videos

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

Related Experiment Videos

Last Updated: May 21, 2026

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers
12:20

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers

Published on: October 5, 2013

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Solid State Chemistry

Background:

  • Understanding lattice dynamics is crucial for predicting material properties.
  • Iron antimonide (FeSb2) is a material with potential thermoelectric applications.

Purpose of the Study:

  • To investigate the lattice dynamics of FeSb2 using computational and experimental methods.
  • To assign all Raman- and infrared-active phonon modes.
  • To analyze the effect of cobalt doping on phonon modes.

Main Methods:

  • First-principles density functional theory (DFT) calculations.
  • Raman spectroscopy measurements.
  • Phonon mode analysis and assignment.

Main Results:

  • Good agreement between calculated and measured phonon energies.
  • Observation of strong mixing of A(g) symmetry modes between 210 and 260 K.
  • Increased A(g) mode repulsion with cobalt doping, without electron-phonon interaction signatures.

Conclusions:

  • The study successfully assigned phonon modes in FeSb2.
  • Cobalt doping influences lattice dynamics by increasing mode repulsion.
  • No evidence of electron-phonon interaction was found for the studied A(g) modes.