@article{
 title = {Magnetic properties of(Pr(Ca, Sr))MnO3 studied by nuclear magnetic resonance},
 type = {article},
 year = {1998},
 identifiers = {[object Object]},
 keywords = {magnetoresistance,perovskites,pr1-xcaxmno3},
 pages = {7151-7153},
 volume = {83},
 websites = {<Go to ISI>://WOS:000077795500309},
 id = {23dfbb00-bba3-38fa-b99c-fefb9b3bf223},
 created = {2016-07-19T13:46:32.000Z},
 file_attached = {false},
 profile_id = {665883f5-c199-38de-9ab9-8da2850f5b5e},
 last_modified = {2016-07-19T13:46:52.000Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 source_type = {Journal Article},
 language = {English},
 notes = {ISI Document Delivery No.: 152UQ<br/>Times Cited: 22<br/>Cited Reference Count: 17<br/>Tomka, GJ Riedi, PC Kapusta, C Balakrishnan, G Mck Paul, D Lees, MR Barratt, J<br/>7th Joint Magnetism and Magnetic Materials / International Magnetics Conference<br/>Jan 06-09, 1998<br/>San francisco, california<br/>Amer Inst Phys, IEEE Magnet Soc, TMS, Off Naval Res, Amer Soc Testing &amp; Mat, Amer Ceram Soc<br/>Amer inst physics<br/>Woodbury<br/>2},
 abstract = {The valence state of Mn in magnetoresistive perovskites has been widely related to the level of alkaline metal substitution of the rare earth, by assuming that the Mn exists in 3 + or 4+ valence states. Measurements have been made on a series of samples in the system Pr1-(x+y)(CaxSryMnO3. Mn-55 nuclear magnetic resonance (NMR) zero field spin echo measurements on a single crystal with x=0.1 and y = 0 show distinct resonances around 310 MHz (Mn4+) and 400 MHz (Mn3+) but also at 590 MHz (Mn2+). An increase in the Mn2+ resonance frequency in an applied field implies that the Mn2+ moment is antiferromagnetically coupled to the net magnetization. Spectra from powder samples are much broader. The resonance frequencies increase as the Pr content is reduced. For systems with x + y = 0.4, there is little change in the NMP spectrum as the proportions of Ca and Sr are altered. (C) 1998 American Institute of Physics. [S0021-8979(98)26511-X].},
 bibtype = {article},
 author = {Tomka, G J and Riedi, P C and Kapusta, C and Balakrishnan, G and McK Paul, D and Lees, M R and Barratt, J},
 journal = {Journal of Applied Physics},
 number = {11}
}

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