R. J. Birgeneau

Lawrence Berkeley National Laboratory — United States

Physics and Astronomy · Physical Sciences

63h-index12.2kcitations219works0.02yr avg
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Research Topics

Physics of Superconductivity and Magnetism(115), Advanced Condensed Matter Physics(90), Magnetic and transport properties of perovskites and related materials(67), Theoretical and Computational Physics(62), Liquid Crystal Research Advancements(29)

Publications219 total

Magnetic Kagome Lattice (Gd,Tb,Dy,Ho,Er)Mn <sub>6</sub> Sn <sub>6</sub> with High Configuration Entropy
Inorganic Chemistry·2025
First-order preemptive Ising-nematic transition in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi mathvariant="normal">K</mml:mi><mml:mn>5</mml:mn></mml:msub><mml:msub><mml:mi>Fe</mml:mi><mml:mn>4</mml:mn></mml:msub><mml:msub><mml:mi>Ag</mml:mi><mml:mn>6</mml:mn></mml:msub><mml:msub><mml:mi>Te</mml:mi><mml:mn>10</mml:mn></mml:msub></mml:mrow></mml:math>
Physical review. B./Physical review. B·2025Open Access
First Order Preemptive Ising-nematic Transition in K$_{5}$Fe$_{4}$Ag$_{6}$Te$_{10}$
arXiv (Cornell University)·2024Open Access
Magnetic and structural properties of the iron oxychalcogenides [Formula : see text]
Physical Review B·2019
Suppression of the antiferromagnetic order when approaching the superconducting state in a phase-separated crystal of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi mathvariant="normal">K</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mi>Fe</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>y</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Se</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Physical review. B./Physical review. B·2017· 3 citedOpen Access
Transition from Sign-Reversed to Sign-Preserved Cooper-Pairing Symmetry in Sulfur-Doped Iron Selenide Superconductors
Physical Review Letters·2016· 21 citedOpen Access
Thermal evolution of antiferromagnetic correlations and tetrahedral bond angles in superconducting FeTe$_{1-x}$Se$_x$
Bulletin of the American Physical Society·2016
Bandwidth and Electron Correlation-Tuned Superconductivity in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>Rb</mml:mi></mml:mrow><mml:mrow><mml:mn>0.8</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>Se</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>z</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">S</mml:mi></mml:mrow><mml:mrow><mml:mi>z</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>
Physical Review Letters·2015· 21 citedOpen Access
Mott Localization in a Pure Stripe Antiferromagnet Rb1-deltaFe1-5-δSrd2^ | NIST
Physical Review B·2015
Spin excitations in Ba(Fe$_{0.957}$Cu$_{0.043})_{2}$As$_{2}$ single crystals near a putative antiferromagnetic quantum critical point
Bulletin of the American Physical Society·2014
Ru $L_2$ edge X-ray resonant magnetic scattering from Ba(Fe$_{0.795}$Ru$_{0.205})_2$As$_2$ compound
Bulletin of the American Physical Society·2013
First- and second-order magnetic and structural transitions in BaFe<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn><mml:mo>(</mml:mo><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi><mml:mo>)</mml:mo></mml:mrow></mml:msub></mml:math>Co<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:math>As<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow/><mml:mn>2</mml:mn></mml:msub></mml:math>
Physical Review B·2011· 50 citedOpen Access
Single crystal growth and properties of iron-chalcogenide superconductors
arXiv (Cornell University)·2011Open Access
Magnetic nature of the 500 meV peak in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mtext>La</mml:mtext></mml:mrow><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mtext>Sr</mml:mtext></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mrow><mml:mtext>CuO</mml:mtext></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>observed with resonant inelastic x-ray scattering at the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mtext>Cu</mml:mtext><mml:mtext> </mml:mtext><mml:mi>K</mml:mi></mml:mrow></mml:math>-edge
Physical Review B·2010· 43 citedOpen Access
Neutron Diffraction Study of the Magnetic and Structural Phase Transitions in BaFe2As2
NPARC·2009· 3 citedOpen Access
The local magnetic field response of La 2-x Sr x CuO 4 on the overdoped side of the phase diagram as revealed by μSR
APS·2009
Signatures of Heterogeneous Magnetism in Overdoped La2-xSrxCuO4 from Muon Spin Rotation
arXiv (Cornell University)·2008Open Access
Disappearance of antiferromagnetic spin excitations in overdoped La$_{2-x}$Sr$_{x}$CuO$_{4}$
Bulletin of the American Physical Society·2008· 7 cited
Observations on the resonant inelastic x-ray scattering cross section in copper oxide compounds
Physical Review B·2007· 16 cited
High-Energy Excitations near the boundary to antiferromagnetism-YBCO6.35
Bulletin of the American Physical Society·2006
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Frequent Co-authors

M. A. Kastner(23), G. Shirane(19), Y. Endoh(10), T. R. Thurston(10), P. J. Picone(7), H. P. Jenssen(7), D. R. Gabbe(7), J. D. Litster(7), Paul Horn(7), Tineke Thio(6), Christine Y. Chen(6), K. Yamada(6), Norris W. Preyer(5), M. Greven(4), Masaaki Matsuda(4), C. W. Garland(4), B. M. Ocko(4), H. J. Guggenheim(4), C. J. Peters(3), J. D. Axe(3)