Steuerung nichtlinearer Selbstlokalisierungsphänomene stark koppelnder Ladungsträger in Lithiumniobat-Tantalat-Mischkristallen

Der Schwerpunkt dieses Teilprojektes ist die Wechselwirkung von stark koppelnden Ladungsträgern mit (i) den strukturbezogenen, atomistischen Eigenschaften des Mischkristallsystems, (ii) den dielektrischen und strukturellen Eigenschaften ferroelektrischer Domänenwände und (iii) den Transporteigenschaften ionischer Diffusion bei erhöhten Temperaturen. Das Projekt zielt damit auf die Bearbeitung der Frage nach der Rolle von strukturellen, elektronischen und ionischen Eigenschaften bei Selbstlokalisierungsmechanismen in dielektrischen, oxidischen Festkörpermaterialien im Allgemeinen.

Teilprojekt 01 im FOR 5044 im FIS der Universität Osnabrück
GPRIS Projektbeschreibung

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41 to 50 of 50 Results

LNT-110_395K Apr 9, 2024 - Long-lived, pulse-induced absorption in LiNb1−xTaxO3 solid solutions: the case of three intrinsic defect sites for electron localization with strong coupling Plain Text - 48.3 KB - MD5: a24ef7f7dead7b8fcb008db389de730b
LNT-110_410K Apr 9, 2024 - Long-lived, pulse-induced absorption in LiNb1−xTaxO3 solid solutions: the case of three intrinsic defect sites for electron localization with strong coupling Plain Text - 48.3 KB - MD5: ab6a40b6ea5c8a3292ffc85786741461
Small electron polarons bound to interstitial tantalum defects in lithium tantalate Apr 9, 2024 Pfannstiel, Anton; Hehemann, Tobias; Schäfer, Nils A.; Sanna, Simone; Suhak, Yuriy; Vittadello, Laura; Sauerwein, Felix; Dömer, Niklas; Koelmann, Julian; Fritze, Holger; Imlau, Mirco, 2024, "Small electron polarons bound to interstitial tantalum defects in lithium tantalate", https://doi.org/10.26249/FK2/WQCJCO, osnaData, V1 The absorption features of optically generated, short-lived small bound electron polarons are inspected in congruent lithium tantalate, LiTaO3 (LT), in order to address the question whether it is possible to localize electrons at interstitial TaV:VLi defect pairs by strong, short...
absorption_edge_as_grown.csv Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate Comma Separated Values - 94.5 KB - MD5: 5417f73e7bf62b3b1681237b86a728ff
absorption_edge_reduced.csv Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate Comma Separated Values - 93.0 KB - MD5: 48366f72bad2e87d681e0b752beca252
OH_absorption_as_grown.csv Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate Comma Separated Values - 3.6 KB - MD5: f2b7c3ecbe50ce1f5f1da109a6a75d97
OH_absorption_reduced.csv Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate Comma Separated Values - 3.6 KB - MD5: 8e3c626bdb0a390238933b368674c6dc
polaron_band_absorption_parallel_E.csv Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate Comma Separated Values - 113.0 KB - MD5: 5fc921e0cc2332ec49f2e1717ca6513a
polaron_band_absorption_perpendicular_E.csv Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate Comma Separated Values - 115.1 KB - MD5: f2d02c9bfdea3923c8399ba0a10bf347
polaron_band_absorption_unpolarized_E.csv Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate Comma Separated Values - 110.0 KB - MD5: e21383297bcc87d3568746fb73e8aab5

LNT-110_395K

Apr 9, 2024 - Long-lived, pulse-induced absorption in LiNb1−xTaxO3 solid solutions: the case of three intrinsic defect sites for electron localization with strong coupling

Plain Text - 48.3 KB - MD5: a24ef7f7dead7b8fcb008db389de730b

LNT-110_410K

Apr 9, 2024 - Long-lived, pulse-induced absorption in LiNb1−xTaxO3 solid solutions: the case of three intrinsic defect sites for electron localization with strong coupling

Plain Text - 48.3 KB - MD5: ab6a40b6ea5c8a3292ffc85786741461

Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Apr 9, 2024

Pfannstiel, Anton; Hehemann, Tobias; Schäfer, Nils A.; Sanna, Simone; Suhak, Yuriy; Vittadello, Laura; Sauerwein, Felix; Dömer, Niklas; Koelmann, Julian; Fritze, Holger; Imlau, Mirco, 2024, "Small electron polarons bound to interstitial tantalum defects in lithium tantalate", https://doi.org/10.26249/FK2/WQCJCO, osnaData, V1

The absorption features of optically generated, short-lived small bound electron polarons are inspected in congruent lithium tantalate, LiTaO3 (LT), in order to address the question whether it is possible to localize electrons at interstitial TaV:VLi defect pairs by strong, short...

absorption_edge_as_grown.csv

Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Comma Separated Values - 94.5 KB - MD5: 5417f73e7bf62b3b1681237b86a728ff

absorption_edge_reduced.csv

Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Comma Separated Values - 93.0 KB - MD5: 48366f72bad2e87d681e0b752beca252

OH_absorption_as_grown.csv

Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Comma Separated Values - 3.6 KB - MD5: f2b7c3ecbe50ce1f5f1da109a6a75d97

OH_absorption_reduced.csv

Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Comma Separated Values - 3.6 KB - MD5: 8e3c626bdb0a390238933b368674c6dc

polaron_band_absorption_parallel_E.csv

Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Comma Separated Values - 113.0 KB - MD5: 5fc921e0cc2332ec49f2e1717ca6513a

polaron_band_absorption_perpendicular_E.csv

Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Comma Separated Values - 115.1 KB - MD5: f2d02c9bfdea3923c8399ba0a10bf347

polaron_band_absorption_unpolarized_E.csv

Apr 9, 2024 - Small electron polarons bound to interstitial tantalum defects in lithium tantalate

Comma Separated Values - 110.0 KB - MD5: e21383297bcc87d3568746fb73e8aab5

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