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Related Concept Videos

Properties of Transition Metals02:58

Properties of Transition Metals

29.5K
Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
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Predicting Molecular Geometry02:27

Predicting Molecular Geometry

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VSEPR Theory for Determination of Electron Pair Geometries
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Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

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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:
26.5K
Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

30.6K
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...
30.6K
Bonding in Metals02:32

Bonding in Metals

51.8K
Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”. 
51.8K
Crystal Field Theory - Tetrahedral and Square Planar Complexes02:46

Crystal Field Theory - Tetrahedral and Square Planar Complexes

48.1K
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,...
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Recent Trends in Two-Dimensional Transition Metal-Tellurides and Their Applications.

Chinmayee Chowde Gowda1,2,3, Thakur Prasad Yadav4, Varun Chaudhary5

  • 1School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Mednipur, West Bengal, India.

Small (Weinheim an Der Bergstrasse, Germany)
|January 8, 2026
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Summary
This summary is machine-generated.

Two-dimensional transition metal tellurides (2D TMTs) offer enhanced chemical stability and tunable properties for advanced applications. This review covers their synthesis, properties, and device applications, highlighting their potential in ferromagnetism and superconductivity.

Keywords:
2D telluridesferromagnetismheterostructuresstrain tuningthickness‐dependenttransition metal tellurides

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Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Two-dimensional transition metal tellurides (2D TMTs) are a class of chalcogenides with notable chemical stability.
  • Their unique properties make them promising for both fundamental research and technological applications.

Purpose of the Study:

  • To review recent advances in 2D TMTs.
  • To discuss synthesis techniques, tunable properties, and device applications.
  • To highlight challenges and future directions in the field.

Main Methods:

  • Overview of 2D TMT properties.
  • Discussion of large-scale synthesis techniques.
  • Analysis of thickness, strain, and temperature effects on properties.

Main Results:

  • 2D TMTs exhibit tunable physicochemical properties, including thickness-dependent magnetism.
  • Ferromagnetism and superconductivity are key properties influenced by long-range ordering.
  • Various devices and functionalities are presented based on these tunable properties.

Conclusions:

  • 2D TMTs hold significant potential for advanced applications due to their tunable properties and stability.
  • Overcoming fundamental and application challenges is crucial for realizing their full potential.
  • Further research into their unique magnetic and superconducting properties is warranted.