What question did this study set out to answer?

The study investigates the magnetic properties of ${ ext{SrCr}}_{8-x}{ ext{Ga}}_{4+x}{ ext{O}}_{19}$, focusing on antiferromagnetic fluctuations and order within Kagomé planes.

December 17, 1990Physical Review Letters

Antiferromagnetic fluctuations and short-range order in a Kagomé lattice

View Full Paper

Ask AI

Bookmark

Authors

CBC. BroholmJohns Hopkins University GAG. AeppliBoard of the Swiss Federal Institutes of Technology GEG. P. EspinosaUniversidad Michoacana de San Nicolás de Hidalgo

Discussion

Member takes

Implication

Neutron-scattering measures short-range antiferromagnetic order in SrCr8-xGa4+xO19, indicating significant magnetic fluctuations at low temperatures.

Key Points

The study investigates the magnetic properties of ${ ext{SrCr}}_{8-x}{ ext{Ga}}_{4+x}{ ext{O}}_{19}$, focusing on antiferromagnetic fluctuations and order within Kagomé planes.
Conducted neutron-scattering measurements on a layered compound with Kagomé planes of ${ ext{Cr}}^{3+}$ ions.
Analyzed magnetic susceptibility data to determine the Curie-Weiss constant.
Examined samples with varying compositions, particularly x=0.87, to assess short-range order and spin-freezing transitions.
The Curie-Weiss constant was found to be ${ heta}_{ ext{CW}} ext{ extapprox} -500 K$.
Observed short-range antiferromagnetic order with a correlation length of ${ au} = 7 extpm 2 ext{Å} ext{ extapprox} 2a$.
Below 8 K, a spin-freezing transition occurred, revealing significant magnetic fluctuations characteristic of two-dimensional antiferromagnets.

Cite This Study

Broholm et al. (1990) studied this question.

synapsesocial.com/papers/6a08056cdf3db87398107494 https://doi.org/10.1103/physrevlett.65.3173

View Full Paper

Ask AI

Bookmark

Implication

Neutron-scattering measures short-range antiferromagnetic order in SrCr8-xGa4+xO19, indicating significant magnetic fluctuations at low temperatures.

Antiferromagnetic fluctuations and short-range order in a Kagomé lattice

Discussion

Member takes

Implication

Key Points

Cite This Study

Antiferromagnetic fluctuations and short-range order in a Kagomé lattice

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider