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

Gene Conversion02:08

Gene Conversion

Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
Gene Conversion02:08

Gene Conversion

Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
Sign Convention01:30

Sign Convention

When analyzing a beam subjected to various loads, it is crucial to understand the internal forces and moments generated within the structure. These internal forces can be broadly classified into normal forces, shear forces, and bending moments. To determine these forces and moments, we use the method of sections and apply a specific sign convention based on their direction and the side of the section being analyzed.
The normal force acts perpendicular to the beam's cross-section and can cause...
Transformation of Plane Strain01:12

Transformation of Plane Strain

When analyzing elongated structures like bars subjected to uniformly distributed loads, it is essential to understand the transformation of plane strain when coordinate axes are rotated. This transformation helps to assess how material deformation characteristics vary with orientation, which is crucial in materials science and structural engineering.
Under plane strain conditions, typical for members where one dimension significantly exceeds the others, deformations and resultant strains are...
Transformations of Functions I01:29

Transformations of Functions I

A function's graph can be modified by changing its position or size without altering its overall shape. These transformations allow the graph to be moved across the coordinate plane while preserving its pattern and structure. One of the most common transformations is shifting, which repositions the graph without distorting it.When the output of a function is adjusted by adding or subtracting a constant, the graph shifts vertically. A positive value moves the graph upward, while a negative value...
Transformations of Functions III01:20

Transformations of Functions III

Transformations modify the graphical representation of a function without changing its fundamental form. One common transformation is reflection, which flips the graph across a designated axis. When the vertical coordinates of all points are multiplied by the negative one, the entire graph is mirrored over the horizontal axis. This transformation reverses the vertical orientation of peaks and troughs, akin to signal inversion in electrical systems, where a waveform is flipped, but the timing of...

You might also read

Related Articles

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

Sort by
Same author

Correction: Dodecanuclear [NiII8Ln<sub>4</sub>] clusters and rings of corner-sharing {NiII2Ln<sub>2</sub>} cubanes (Ln = Dy, Gd, Y); magnetic and magnetothermal properties.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Non-Dilute Synthesis of Macrodiolides and Macrotetrolides Enabled by Confinement Catalysis.

Angewandte Chemie (International ed. in English)·2026
Same author

Tetradecanuclear {Ni<sub>9</sub>Ln<sub>5</sub>} Clusters Featuring Encapsulated {Ln<sub>5</sub>} Trigonal Bipyramids: Modular 3d-4f Architectures With Broad-Range Magnetocaloric Response.

Chemistry (Weinheim an der Bergstrasse, Germany)·2026
Same author

Pressure Tuning of the Low-Frequency Raman Response in Spin-Crossover Networks.

Journal of the American Chemical Society·2026
Same author

Photoactive four-coordinate copper(I) complexes based on chelating diimine, diphosphine, and diisocyanide ligands with high excited-state energies.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Controlling Near-Infrared Fluorescence-to-Phosphorescence Ratios and Triplet Lifetimes in Rhodium(I) Dimers via Primary and Secondary Coordination Sphere Effects.

Angewandte Chemie (International ed. in English)·2026
Same journal

Gas-Responsive Metal-Organic Frameworks for Adaptive Thermal Energy Storage with Tunable Charge-Discharge Temperatures.

Journal of the American Chemical Society·2026
Same journal

Engineering a Thiamine-Dependent Benzoylformate Decarboxylase for Stereodivergent Radical C(sp<sup>3</sup>)-C(sp<sup>3</sup>) Bond Formation.

Journal of the American Chemical Society·2026
Same journal

Accelerated Directional Proton-Coupled Electron Transfer Enabled by Intrinsic Dipole Field in Biomimetic α-Helical Structure.

Journal of the American Chemical Society·2026
Same journal

Alternating Current-Driven Hydrogen Isotope Labeling of Aliphatic Amines Using 1,3-Propanedithiol as an Efficient Hydrogen Atom Transfer Reagent.

Journal of the American Chemical Society·2026
Same journal

Two-Dimensional van der Waals Polar Metal MoOBr<sub>2</sub>.

Journal of the American Chemical Society·2026
Same journal

Negatively Curved Chiral Bilayer Nanographene.

Journal of the American Chemical Society·2026
See all related articles

Related Experiment Video

Updated: Jul 7, 2026

Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

Spin switching via targeted structural distortion.

Constantinos J Milios1, Alina Vinslava, Wolfgang Wernsdorfer

  • 1School of Chemistry, The University of Edinburgh, West Mains Road, Edinburgh, UK.

Journal of the American Chemical Society
|April 27, 2007
PubMed
Summary
This summary is machine-generated.

Structural distortion in manganese clusters creates new single-molecule magnets (SMMs) with higher spin states and improved performance. This research enhances SMM design for advanced magnetic applications.

More Related Videos

Operation of the Collaborative Composite Manufacturing (CCM) System
10:09

Operation of the Collaborative Composite Manufacturing (CCM) System

Published on: October 1, 2019

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

Related Experiment Videos

Last Updated: Jul 7, 2026

Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

Operation of the Collaborative Composite Manufacturing (CCM) System
10:09

Operation of the Collaborative Composite Manufacturing (CCM) System

Published on: October 1, 2019

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

Area of Science:

  • Inorganic Chemistry
  • Materials Science
  • Magnetism

Background:

  • Single-molecule magnets (SMMs) are molecules that exhibit magnetic hysteresis at the molecular level.
  • Developing SMMs with high spin ground states and elevated blocking temperatures is crucial for their practical applications.
  • The [MnIII6O2(sao)6(O2CR)2L4] family of SMMs provides a platform for tuning magnetic properties through structural modifications.

Purpose of the Study:

  • To investigate the effect of stepwise structural distortion on the magnetic properties of manganese clusters.
  • To synthesize and characterize new SMMs with enhanced spin ground states and blocking temperatures.
  • To understand the relationship between molecular structure, ligand substitution, and magnetic exchange interactions.

Main Methods:

  • Synthesis of novel manganese cluster complexes using derivatized oxime ligands and bulky carboxylates.
  • Single-crystal X-ray diffraction to determine the detailed molecular structures.
  • Magnetic susceptibility measurements to determine spin ground states (S) and effective activation energies (Ueff).

Main Results:

  • A series of [MnIII6O2(sao)6(O2CR)2L4] complexes were synthesized, with SMMs exhibiting S = 7 and S = 12 ground states.
  • Complex 2 ([MnIII6O2(Et-sao)6(O2CCMe3)2(EtOH)5]) showed an S = 7 ground state and Ueff = 30 K.
  • Complex 3 ([MnIII6O2(Et-sao)6(O2CPh)2(EtOH)4(H2O)2]) demonstrated a significant S = 12 ground state and Ueff = 53 K.
  • Ligand substitution induced subtle structural distortions, leading to a switch from antiferromagnetic to ferromagnetic exchange interactions.

Conclusions:

  • Stepwise structural distortion through ligand modification is an effective strategy for enhancing SMM performance.
  • The observed increase in spin ground state and blocking temperature is attributed to altered molecular geometry and magnetic exchange pathways.
  • This work provides valuable insights into the rational design of high-performance single-molecule magnets.