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Charge density waves in nanocrystalline thin films of blue bronze K<sub>0.3</sub>MoO<sub>3</sub>

Charge density waves in nanocrystalline thin films of blue bronze K0.3MoO3

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STARESINIC, Damir, Damir DOMINKO, Kresimir SALAMON, Katica BILJAKOVIC, Andrej TOMELJAK, Hanjo SCHÄFER, Tim HUBER, Jure DEMSAR, Gabriel SOCOL, Carmen RISTOSCU, 2012. Charge density waves in nanocrystalline thin films of blue bronze K0.3MoO3. In: Physica B: Condensed Matter. Elsevier. 407(11), pp. 1889-1893. ISSN 0921-4526. eISSN 1873-2135. Available under: doi: 10.1016/j.physb.2012.01.056

@article{Staresinic2012-06Charg-48609, title={Charge density waves in nanocrystalline thin films of blue bronze K0.3MoO3}, year={2012}, doi={10.1016/j.physb.2012.01.056}, number={11}, volume={407}, issn={0921-4526}, journal={Physica B: Condensed Matter}, pages={1889--1893}, author={Staresinic, Damir and Dominko, Damir and Salamon, Kresimir and Biljakovic, Katica and Tomeljak, Andrej and Schäfer, Hanjo and Huber, Tim and Demsar, Jure and Socol, Gabriel and Ristoscu, Carmen} }

Demsar, Jure Ristoscu, Carmen Thin granular films of charge density wave (CDW) system K<sub>0.3</sub>MoO<sub>3</sub> were prepared by pulsed laser deposition and investigated by various standard characterization methods such as GI-XRD, electric transport, TOF-ERDA, AFM and UV–visible spectroscopy. While all these methods indicate that the thin films consist of nanometer grains of K<sub>0.3</sub>MoO<sub>3</sub>, it is only the non-destructive femtosecond time-resolved spectroscopy (fsTRS) that demonstrates the charge density wave nature of the ground state and therefore proves directly the presence of K<sub>0.3</sub>MoO<sub>3</sub>. Furthermore, the comparison of the fsTRS data obtained in thin films and in single crystals shows the reduction of the charge density wave transition temperature and of the photoinduced signal strength in granular thin films with respect to single crystals, which is attributed to the granularity and crystal growth morphology. Our results establish fsTRS technique as the essential tool for the detection and characterization of complex ground states in nano-sized systems. Schäfer, Hanjo Dominko, Damir Tomeljak, Andrej Salamon, Kresimir Demsar, Jure Salamon, Kresimir Dominko, Damir Ristoscu, Carmen Huber, Tim Tomeljak, Andrej 2012-06 2020-02-12T10:08:04Z Charge density waves in nanocrystalline thin films of blue bronze K<sub>0.3</sub>MoO<sub>3</sub> Huber, Tim Staresinic, Damir Schäfer, Hanjo Socol, Gabriel eng Socol, Gabriel Biljakovic, Katica Biljakovic, Katica 2020-02-12T10:08:04Z Staresinic, Damir

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