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

Resonance and Hybrid Structures02:16

Resonance and Hybrid Structures

17.0K
According to the theory of resonance, if two or more Lewis structures with the same arrangement of atoms can be written for a molecule, ion, or radical, the actual distribution of electrons is an average of that shown by the various Lewis structures.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.
17.0K
Metallic Solids02:37

Metallic Solids

18.5K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
18.5K
Ionic Crystal Structures02:42

Ionic Crystal Structures

14.4K
Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
14.4K
Crystal Field Theory - Tetrahedral and Square Planar Complexes02:46

Crystal Field Theory - Tetrahedral and Square Planar Complexes

42.8K
Tetrahedral Complexes
Crystal field theory (CFT) is applicable to molecules in geometries other than octahedral. In octahedral complexes, the lobes of the dx2−y2 and dz2 orbitals point directly at the ligands. For tetrahedral complexes, the d orbitals remain in place, but with only four ligands located between the axes. None of the orbitals points directly at the tetrahedral ligands. However, the dx2−y2 and dz2 orbitals (along the Cartesian axes) overlap with the ligands less than the dxy,...
42.8K
Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

26.7K
Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
26.7K
Resonance02:52

Resonance

54.5K
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N-O and N=O bonds. 
54.5K

You might also read

Related Articles

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

Sort by
Same author

Large-Area Deterministic Stamping of 2D Materials on Patterned Surfaces.

ACS nano·2026
Same author

Transport Evidence of Surface States in Magnetic Topological Insulator MnBi<sub>2</sub>Te<sub>4</sub>.

ACS nanoscience Au·2026
Same author

Composite colloidal assembly by critical Casimir forces.

The Journal of chemical physics·2026
Same author

Lead-Free Double Cs<sub>2</sub>Ag(Bi,Sb)(Br,I)<sub>6</sub> Perovskites: Going below 1.8 eV Bandgap by Anion Exchange and Solid-State Reactions.

Journal of the American Chemical Society·2026
Same author

Hybrid-2D Excitonic Metasurfaces for Complex Amplitude Modulation.

Nano letters·2026
Same author

Enhanced sensing characteristics of N doped and (N, O) co-doped molybdenum disulfide to detect toxic gases: a comprehensive first-principles study.

RSC advances·2026

Related Experiment Video

Updated: Jul 15, 2025

Fabricating van der Waals Heterostructures with Precise Rotational Alignment
09:25

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

9.5K

Stacking-Order-Dependent Excitonic Properties Reveal Interlayer Interactions in Bulk ReS2.

Marco van der Laan1, Edwin Heemskerk1, Floris Kienhuis1

  • 1Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.

ACS Photonics
|September 25, 2023
PubMed
Summary

Rhenium disulfide (ReS2) exhibits unique excitonic properties due to its stacking modes. Interlayer coupling significantly modifies these properties, making ReS2 a promising material for polarization-sensitive devices.

More Related Videos

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

14.7K
Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
08:49

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

14.3K

Related Experiment Videos

Last Updated: Jul 15, 2025

Fabricating van der Waals Heterostructures with Precise Rotational Alignment
09:25

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

9.5K
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

14.7K
Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
08:49

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

14.3K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Rhenium disulfide (ReS2) is an anisotropic 2D van der Waals material with unique excitonic properties.
  • Bulk ReS2 exists in two stacking modes, AA and AB, with poorly understood effects of interlayer coupling on excitons.

Purpose of the Study:

  • To investigate the influence of different interlayer coupling in AA and AB-stacked ReS2 on excitonic properties.
  • To elucidate the nature of excitons in ReS2 using polarization-dependent optical measurements.

Main Methods:

  • Polarization-dependent Raman spectroscopy
  • Low-temperature photoluminescence spectroscopy
  • Reflection spectroscopy
  • Density Functional Theory (DFT) calculations

Main Results:

  • Similar in-plane excitonic alignments observed for both AA and AB stacking modes.
  • Differences in peak width, position, and anisotropy reveal varying interlayer coupling strengths.
  • DFT calculations show similar band structures but altered spin-split states, suggesting different exciton binding energies.

Conclusions:

  • Excitonic properties in ReS2 are primarily governed by in-plane interactions but significantly modified by interlayer coupling.
  • The pronounced effect of interlayer coupling in ReS2 makes it ideal for studying stacking as a tuning parameter.
  • The optical anisotropy of ReS2 positions it as a candidate for polarization-sensitive applications.