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Upper limit to magnetism in LaAlO3/SrTiO3 heterostructures

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Paper breakdownThe authors' claims, conditions and measurements, as JSON Signed receiptProof this review has not been altered
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M. R. Fitzsimmons, (1) N. Hengartner, (1) S. Singh, (1, 2) M. Zhernenkov, (1) F. Y. Bruno, (3) J. Santamaria, (3) A. Brinkman
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(4) M. Huijben, (4) H. Molegraaf, (4) J. de la Venta, (5), Ivan K. Schuller (5) ((1) Los Alamos National Laboratory, Los Alamos NM USA (2) Solid State Physics Division, Bhabha Atomic Research center, Mumbai, India (3) GFMC. Dpto. Fisica Aplicada III, Universidad Complutense de Madrid, Madrid, Spain (4) MESA+ Institute for Nanotechnology, University of Twente, Enschede, The Netherlands (5) Department of Physics, Center for Advanced Nanoscience, University of California San Diego, La Jolla, CA USA)

Materials Science · Submitted 6 Sep 2011

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim This experiment implies that the upper limit for the magnetization induced by an 11 T magnetic field at 1.7 K is 2 emu/cm3.

how it is stated · hedged possibility 0.63 read the record →

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arXiv ID1109.1274 (version 1)
Pith IDPUJUUT5W, Pith's permanent record of this paper and its review
Citation(1, (1) F. Y. Bruno, (1) N. Hengartner, (1) S. Singh, 2) M. Zhernenkov, (3) A. Brinkman, (3) J. Santamaria, (4) H. Molegraaf, (4) J. de la Venta, (4) M. Huijben, (5), Bhabha Atomic Research Center, CA USA), Center for Advanced Nanoscience, Enschede, India (3) GFMC. Dpto. Fisica Aplicada III, Ivan K. Schuller (5) ((1) Los Alamos National Laboratory, La Jolla, Los Alamos NM USA (2) Solid State Physics Division, Madrid, M. R. Fitzsimmons, Mumbai, Spain (4) MESA+ Institute for Nanotechnology, The Netherlands (5) Department of Physics, Universidad Complutense de Madrid, University of California San Diego, University of Twente. "Upper limit to magnetism in LaAlO3/SrTiO3 heterostructures." arXiv:1109.1274 (2011). https://pith.science/paper/PUJUUT5W
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

Open the compiled record

Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,627 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.70 · human participants 0.02 · controlled comparison 0.08 · randomized assignment 0.01 · states quantitative result 0.98 · compares with prior results 0.78 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

Using polarized neutron reflectometry (PNR) we measured the neutron spin dependent reflectivity from four LaAlO3/SrTiO3 superlattices. This experiment implies that the upper limit for the magnetization induced by an 11 T magnetic field at 1.7 K is 2 emu/cm3. SQUID magnetometry of the superlattices sporadically finds an enhanced moment, possibly due to experimental artifacts. These observations set important restrictions on theories which imply a strongly enhanced magnetism at the interface between LaAlO3 and SrTiO3.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 Using polarized neutron reflectometry (PNR) we measured the neutron spin dependent reflectivity from four LaAlO3/SrTiO3 superlattices. method 0.87 0.97 0.02 asserted 1.00
s1 This experiment implies that the upper limit for the magnetization induced by an 11 T magnetic field at 1.7 K is 2 emu/cm3. result 0.70 0.88 0.83 hedged possibility 0.63
s2 SQUID magnetometry of the superlattices sporadically finds an enhanced moment, possibly due to experimental artifacts. result 0.92 0.83 0.04 hedged possibility 0.85
s3 These observations set important restrictions on theories which imply a strongly enhanced magnetism at the interface between LaAlO3 and SrTiO3. interpretation 1.00 0.56 0.30 asserted 0.99

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 1.00.

What was examined, and what was not

sources read
  • arXiv listing abstract v1
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
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  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

Using polarized neutron reflectometry (PNR) we measured the neutron spin dependent reflectivity from four LaAlO3/SrTiO3 superlattices. This experiment implies that the upper limit for the magnetization induced by an 11 T magnetic field at 1.7 K is 2 emu/cm3. SQUID magnetometry of the superlattices sporadically finds an enhanced moment, possibly due to experimental artifacts. These observations set important restrictions on theories which imply a strongly enhanced magnetism at the interface between LaAlO3 and SrTiO3.

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