@article{
 title = {Field induced insulator-metal transition in Pr1-xCaxMnO3},
 type = {article},
 year = {1996},
 identifiers = {[object Object]},
 keywords = {films,perovskites},
 pages = {532-534},
 volume = {223-24},
 websites = {<Go to ISI>://WOS:A1996UX82200141},
 id = {d3690851-8ab5-32ca-a275-210ef94d2e48},
 created = {2016-07-19T13:46:31.000Z},
 file_attached = {false},
 profile_id = {665883f5-c199-38de-9ab9-8da2850f5b5e},
 last_modified = {2016-07-19T13:46:48.000Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 source_type = {Journal Article},
 language = {English},
 notes = {ISI Document Delivery No.: UX822<br/>Times Cited: 0<br/>Cited Reference Count: 17<br/>Lees, MR Barratt, J Dewhurst, CD Balakrishnan, G Tomy, CV Paul, DM<br/>Elsevier science bv<br/>Amsterdam},
 abstract = {We present a detailed study of the properties of Pr(1-x)Ca(x)MnO(3) which shows that for a range of compositions (0.3 less than or equal to x < 0.5) there is a first-order magnetic field induced insulator-metal transition. In zero field the resistivity rho of this material shows an activated behaviour and rho exceeds 10(8) Omega cm below 50 K. At 4 K, application of magnetic fields of up to 80 kOe, allows rho to be reduced by at least 8 orders of magnitude depending on the value of the applied field. For the x = 0.4 composition the magnetic and charge ordering (CO) effects observed in this material are decoupled. The antiferromagnetic (AFM) ordering at T(N) = 170 K develops at considerably lower temperatures than the CO state which is observed at T(CO) = 250 K. Below T(CO), application of a magnetic field produces metamagnetic transitions. The field transforms the magnetic correlations from either paramagnetic or AFM to ferromagnetic (FM). At temperatures below 25 K the magnetic field produces irreversible changes in the magnetic order of this material. This in turn leads to the formation of long lived conducting states in zero field.},
 bibtype = {article},
 author = {Lees, M R and Barratt, J and Dewhurst, C D and Balakrishnan, G and Tomy, C V and Paul, D M},
 journal = {Physica B-Condensed Matter},
 number = {1-4}
}

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In zero field the resistivity rho of this material shows an activated behaviour and rho exceeds 10(8) Omega cm below 50 K. At 4 K, application of magnetic fields of up to 80 kOe, allows rho to be reduced by at least 8 orders of magnitude depending on the value of the applied field. For the x = 0.4 composition the magnetic and charge ordering (CO) effects observed in this material are decoupled. The antiferromagnetic (AFM) ordering at T(N) = 170 K develops at considerably lower temperatures than the CO state which is observed at T(CO) = 250 K. Below T(CO), application of a magnetic field produces metamagnetic transitions. The field transforms the magnetic correlations from either paramagnetic or AFM to ferromagnetic (FM). At temperatures below 25 K the magnetic field produces irreversible changes in the magnetic order of this material. 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