Electronic structure of Pr1-xCaxMnO3 from photoemission and inverse photoemission spectroscopies

Dalai MK; Pal P; Kundu R; Sekhar BR; Banik S; Shukla AK; Barman SR; Martin C

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Electronic structure of Pr1-xCaxMnO3 from photoemission and inverse photoemission spectroscopies

机译：从光发射和逆光发射光谱学看Pr1-xCaxMnO3的电子结构

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We have studied the occupied and unoccupied electron states of the Pr1-xCaxMnO3 (x = 0.2, 0.33 and 0.4) near the Fermi level across their ferromagnetic-antiferromagnetic phase boundary using ultraviolet photoemission spectroscopy and inverse photoemission spectroscopy. The photoemission data show that the pseudogap formation in these compounds occur over an energy scale of 0.48+/-0.02 eV. From a combined analysis of the photoemission and inverse photoemission results, we have estimated the charge transfer energy in these compounds to be similar to 2.8+/-0.2 eV. The results have been explained on the basis of the theoretical models that describe the electronic phase separation.

机译：我们已经使用紫外光发射光谱法和逆光发射光谱法研究了在费米能级附近的Pr1-xCaxMnO3（x = 0.2、0.33和0.4）的铁态和非电子态，它们跨铁磁-反铁磁相界。光发射数据表明，这些化合物中的假间隙形成发生在0.48 +/- 0.02 eV的能级上。通过对光发射和反向光发射结果的综合分析，我们估计这些化合物中的电荷转移能类似于2.8 +/- 0.2 eV。在描述电子相分离的理论模型的基础上对结果进行了解释。

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《Physica, B. Condensed Matter》 |2010年第1期|共6页
作者
Dalai MK; Pal P; Kundu R; Sekhar BR; Banik S; Shukla AK; Barman SR; Martin C;
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正文语种 eng
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Photoemission; CMR; Phase separation;

机译：光发射;CMR;相分离;

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1. Electronic structure of Pr1-xCaxMnO3 from photoemission and inverse photoemission spectroscopies [J] . Dalai MK, Pal P, Kundu R, Physica, B. Condensed Matter . 2010,第1期

机译：从光发射和逆光发射光谱学看Pr1-xCaxMnO3的电子结构
2. Electronic structures of ionic liquids [C(n)mim](+) BF4- and [C(n)mim](+) PF6- studied by ultraviolet photoemission, inverse photoemission, and near-edge X-ray absorption. ne structure spectroscopies [J] . Nishi T, Iwahashi T, Yamane H, Chemical Physics Letters . 2008,第4a6期

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3. Electronic structures of Nd_1-χSr_χMnO_3, La_1-χSr_χMnO_3 and La_1-χ Ca_χMnO_3 studied by photoemission and inverse photoemission spectroscopy [J] . Y. Kuwata, S. Suga, S. Imada Bulletin of Canadian Petroleum Geology . 1998,第Parta1期

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4. Electronic Structure of Ionic Liquids Studied by UV Photoemission and Inverse Photoemission Spectroscopy [C] . Toshio Nishi, Yasunori Kamizuru, Kaname Kanai, Materials Research Society Symposium on Organic Electronics . 2006

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6. Electronic Structure of the Kitaev Material α-RuCl3 Probed by Photoemission and Inverse Photoemission Spectroscopies [O] . Soobin Sinn, Choong Hyun Kim, Beom Hyun Kim, -1

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机译：Kitaev材料的电子结构$ \ alpha $ - $ \ textrm {RuCl} _3 $ 通过光电发射和反向光电发射光谱探测

Electronic structure of Pr1-xCaxMnO3 from photoemission and inverse photoemission spectroscopies

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