Crystal structure, electrical transport, electronic band structure and quantum oscillations studies of the organic conducting salt θ-(BETS)4HgBr4(C6H5Cl)

Lyubovskiǐ, R. B.; Pesotskiǐ, S. I.; Коновалихин, С. В.; Шилов, Г. В.; Kobayashi, Akiko; Kobayashi, Hayao; Nizhankovskii, V. I.; Perenboom, J.A.A.J.; Bogdanova, O. Yu.; Zhilyaeva, E. I.; Lyubovskaya, R.N.

doi:10.1016/s0379-6779(00)01381-3

Cited by 21 publications

(37 citation statements)

References 11 publications

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“…The synthesis and crystal structure of the tetragonal phase of (BETS) 4 HgBr 4 (C 6 H 5 Cl) x was described for the first time in ref 32. Further investigation revealed that this compound has the composition (BETS) 4 HgBr 4 (C 6 H 5 Cl) and shows metallic intralayer conductivity behavior and nonmetallic interlayer conductivity behavior 33. A structural phase transition was observed at T = 240–246 K 33.…”

Section: Synthesis Of Compounds Of the D4(mbr4)(c6h6–nxn) Family mentioning

confidence: 96%

“…Further investigation revealed that this compound has the composition (BETS) 4 HgBr 4 (C 6 H 5 Cl) and shows metallic intralayer conductivity behavior and nonmetallic interlayer conductivity behavior 33. A structural phase transition was observed at T = 240–246 K 33. It was shown that the neighboring layers have a different structure below the transition temperature and hence different Fermi surfaces above and below the transition temperature 35.…”

Section: Synthesis Of Compounds Of the D4(mbr4)(c6h6–nxn) Family mentioning

confidence: 97%

“…It was shown that the neighboring layers have a different structure below the transition temperature and hence different Fermi surfaces above and below the transition temperature 35. The metallic character of the electron band structure of the layers was proved by the observation of quantum oscillations of magnetoresistance 33,35…”

Section: Synthesis Of Compounds Of the D4(mbr4)(c6h6–nxn) Family mentioning

confidence: 99%

“…For all the BETS‐based conductors, metallic behavior of the in‐plane resistivity ( R ∥ ) down to around 4.3 K and semiconducting growth of the interlayer resistivity ( R ⟂ ) were observed with decreasing temperature 33,35,39–42. For BETS 4 HgBr 4 (C 6 H 5 Cl), the metallic behavior of R ∥ changed to semiconducting behavior at T = 246 K (Figure 1),33 which at T 2 = 240 K transformed again to metallic behavior. For (BETS) 4 MBr 4 (C 6 H 5 Br) (M = Cd, Hg; Figure 2, a),42 the metallic behavior of R ∥ changed to semiconducting behavior at T = 230 K, which at T 2 = 225 K transformed again to a metallic state.…”

Section: Conducting Properties Of (D)4mbr4(c6h6–nxn)mentioning

confidence: 99%

“…In contrast to the above compounds, the superconductor β″‐(BEDT‐TTF) 4 (H 3 O)M(C 2 O 4 ) 3 (PhCN)31 and organic metals θ‐(BETS) 4 HgBr 4 (C 6 H 5 Cl)32,33 and θ‐(BETS) 4 MnBr 4 (C 2 H 5 OH) 2 34 contain the same neighboring conducting layers but with differently oriented stacks inside each of them. The structures of the cation layers of θ‐(BETS) 4 HgBr 4 (C 6 H 5 Cl)32,33 and θ‐(BETS) 4 MnBr 4 (C 2 H 5 OH) 2 34 are similar at room temperature.…”

Section: Introductionmentioning

confidence: 99%

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Dual‐Layered Quasi‐Two‐Dimensional Organic Conductors with Presumable Incoherent Electron Transport

Lyubovskaya¹,

Zhilyaeva²,

Шилов³

et al. 2014

Eur J Inorg Chem

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We have prepared a series of BEDT‐TTF or BETS‐based radical‐cation salts (D)4MBr4(C6H6–nXn) with tetrahedral anions [MIIBr4]2– (D = BETS, BEDT‐TTF; X = F, Cl, Br; n = 1, 2). The salts (D)4MBr4(C6H6–nXn) are characterized by the different structures of neighboring conducting layers, structural phase transitions, and different types of conductivity, namely, metallic and semiconducting, along and across the conducting layers, respectively. The Fermi surface of the metallic layer of (D)4MBr4(C6H6–nXn) with alternating crystallographically different conducting layers (dual‐layered salts) provides a roadmap for interpreting the transport properties of quasi‐two‐dimensional organic conductors. This review reports on the structures of these compounds, the effect of MBr4 anions and solvent on the occurrence of phase transitions, different Fermi surface topologies in connection with the different structures of neighboring conducting layers, and the possibility of the incoherent transport of charge carriers in such systems.

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Section: Synthesis Of Compounds Of the D4(mbr4)(c6h6–nxn) Family mentioning

confidence: 96%

Section: Synthesis Of Compounds Of the D4(mbr4)(c6h6–nxn) Family mentioning

confidence: 97%

Section: Synthesis Of Compounds Of the D4(mbr4)(c6h6–nxn) Family mentioning

confidence: 99%

Section: Conducting Properties Of (D)4mbr4(c6h6–nxn)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dual‐Layered Quasi‐Two‐Dimensional Organic Conductors with Presumable Incoherent Electron Transport

Lyubovskaya¹,

Zhilyaeva²,

Шилов³

et al. 2014

Eur J Inorg Chem

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Metallic Bi‐ and Monolayered Radical Cation Salts Based on Bis(ethylenedithio)tetrathiafulvalene (BEDT‐TTF) with the Tris(oxalato)gallate Anion

et al. 2014

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New metallic triclinic (1) and monoclinic (2) crystals of the (BEDT‐TTF)4AI[MIII(C2O4)3]G family of organic molecular conductors have been prepared: α‐“pseudo‐κ”‐(BEDT‐TTF)4Kx(H3O)1–x[GaIII(C2O4)3]·1,2‐C6H4Br2 (x ≈ 0.45) (1) and β″‐(BEDT‐TTF)4Kx(H3O)1–x[GaIII(C2O4)3]·PhBr (x ≈ 0.33) (2). The triclinic crystals belong to a quite rare type of bilayered radical ion salts and contain alternating BEDT‐TTF layers with two distinct packing motifs (α‐ and “pseudo‐κ”). The monoclinic crystals contain one kind of BEDT‐TTF radical cation layers. The crystal structure, transport, and magnetotransport properties of 1 and 2 have been studied. The Shubnikov–de Haas (SdH) oscillations were found in both phases. The structure and properties of 1 and 2 are compared with another similar phase with M = FeIII.

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Layered Organic Conductors in Strong Magnetic Fields

Kartsovnik

2008

The Physics of Organic Superconductors and Conductors

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Crystal structure, electrical transport, electronic band structure and quantum oscillations studies of the organic conducting salt θ-(BETS)4HgBr4(C6H5Cl)

Cited by 21 publications

References 11 publications

Dual‐Layered Quasi‐Two‐Dimensional Organic Conductors with Presumable Incoherent Electron Transport

Dual‐Layered Quasi‐Two‐Dimensional Organic Conductors with Presumable Incoherent Electron Transport

Metallic Bi‐ and Monolayered Radical Cation Salts Based on Bis(ethylenedithio)tetrathiafulvalene (BEDT‐TTF) with the Tris(oxalato)gallate Anion

Layered Organic Conductors in Strong Magnetic Fields

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Crystal structure, electrical transport, electronic band structure and quantum oscillations studies of the organic conducting salt θ-(BETS)4HgBr4(C6H5Cl)

Cited by 21 publications

References 11 publications

Dual‐Layered Quasi‐Two‐Dimensional Organic Conductors with Presumable Incoherent Electron Transport

Dual‐Layered Quasi‐Two‐Dimensional Organic Conductors with Presumable Incoherent Electron Transport

Metallic Bi‐ and Monolayered Radical Cation Salts Based on Bis(ethylenedithio)­tetrathiafulvalene (BEDT‐TTF) with the Tris(oxalato)gallate Anion

Layered Organic Conductors in Strong Magnetic Fields

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Metallic Bi‐ and Monolayered Radical Cation Salts Based on Bis(ethylenedithio)tetrathiafulvalene (BEDT‐TTF) with the Tris(oxalato)gallate Anion