PMID: 22587279May 17, 2012Paper

Refining the spin Hamiltonian in the spin-1/2 kagome lattice antiferromagnet ZnCu3(OH)6Cl2 using single crystals

Physical Review Letters
Tianheng HanYoung S Lee

Abstract

We report thermodynamic measurements of the S=1/2 kagome lattice antiferromagnet ZnCu3(OH)6Cl2, a promising candidate system with a spin-liquid ground state. Using single crystal samples, the magnetic susceptibility both perpendicular and parallel to the kagome plane has been measured. A small, temperature-dependent anisotropy has been observed, where χ(z)/χ(p)>1 at high temperatures and χ(z)/χ(p)<1 at low temperatures. Fits of the high-temperature data to a Curie-Weiss model also reveal an anisotropy. By comparing with theoretical calculations, the presence of a small easy-axis exchange anisotropy can be deduced as the primary perturbation to the dominant Heisenberg nearest neighbor interaction. These results have great bearing on the interpretation of theoretical calculations based on the kagome Heisenberg antiferromagnet model to the experiments on ZnCu3(OH)6Cl2.

References

Feb 1, 1992·Physical Review. B, Condensed Matter·A B HarrisA J Berlinsky
Sep 28, 2004·Physical Review Letters·Oleg A Starykh, Leon Balents
Mar 29, 2005·Nature Materials·Daniel GroholYoung S Lee
Sep 30, 2005·Journal of the American Chemical Society·Matthew P ShoresDaniel G Nocera
Aug 16, 2006·Physical Review Letters·K MatanY S Lee
Mar 16, 2007·Physical Review Letters·J S HeltonY S Lee
Mar 16, 2007·Physical Review Letters·P MendelsC Baines
Aug 7, 2007·Physical Review Letters·Marcos Rigol, Rajiv R P Singh
Mar 21, 2008·Physical Review Letters·T ImaiD G Nocera
Jun 4, 2008·Physical Review Letters·M A de VriesA Harrison
Sep 4, 2008·Physical Review Letters·A ZorkoP Mendels
Oct 23, 2010·Journal of the American Chemical Society·Danna E FreedmanDaniel G Nocera
Apr 8, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Oren OferYoung S Lee

❮ Previous
Next ❯

Citations

Dec 23, 2016·Journal of Physics. Condensed Matter : an Institute of Physics Journal·A B SushkovH D Drew
Jan 23, 2016·Nature Communications·Karim EssafiL D C Jaubert
Jul 4, 2019·Proceedings of the National Academy of Sciences of the United States of America·Ruidan ZhongRobert J Cava
Nov 9, 2016·Reports on Progress in Physics·Lucile Savary, Leon Balents
Feb 8, 2013·Journal of Physics. Condensed Matter : an Institute of Physics Journal·G J NilsenH M Rønnow
Feb 24, 2015·Physical Review Letters·B Bernu, C Lhuillier
Nov 30, 2019·Scientific Reports·Henry F Legg, Bernd Braunecker
Jan 21, 2017·Physical Review Letters·A ZorkoP Mendels
Mar 6, 2019·Proceedings of the National Academy of Sciences of the United States of America·W ZhuD N Sheng
Mar 22, 2013·Physical Review Letters·Maximilian L KieselRonny Thomale
Nov 7, 2020·Chemical Reviews·Juan R ChamorroThao T Tran
Dec 11, 2014·Physical Review Letters·Tian-Heng HanJohn A Schlueter
Jul 7, 2020·Journal of the American Chemical Society·Yuki MisumiKunio Awaga

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.