ライフサイエンスコーパス: phonon

1 between water rotation and the C(60) lattice phonons.

2 nt and quantum sensing mediated by gigahertz phonons.

3 le excitations from interband transitions to phonons.

4 w energy polar optical phonons with acoustic phonons.

5 onclude these modes are actually zone-folded phonons.

6 gly interact with the heat carrying acoustic phonons.

7 ther electrons or atomic vibrations known as phonons.

8 optical phonons and heat carrying acoustical phonons.

9 nly transported by the longitudinal acoustic phonons.

10 y manipulation of synthetic spins carried by phonons.

11 s disorder becomes increasingly invisible to phonons.

12 ions between spin, pseudospin, and zone-edge phonons.

13 first principles the associated electron-two-phonon (2ph) scattering rates.

14 enable quantum nondemolition measurements of phonons(4) and will lead to quantum sensors and informat

15 field is realized, it produces an anomalous phonon activity with a characteristic angle-dependence.

16 uch progress has been made in uncovering how phonons affect electron dynamics, it remains a challenge

17 in graphene is highly decoupled from lattice phonons, allowing a comparatively cool temperature (700

18 of the polarization-dependent REPs for A(g) phonons allows us to resolve the existing controversies

19 a: see text] and [Formula: see text] are the phonon and electron velocities, respectively).

20 other material: competing responses of three-phonon and four-phonon interactions to pressure rise cau

21 g coupling between the low frequency optical phonons and heat carrying acoustical phonons.

22 The presence of soft optical phonons and incipient ferroelectric instability in (GeSe

23 a chirality dictated emission channel of the phonons and photons, unveiling a new route of manipulati

24 relations of elementary excitations such as phonons and plasmons can be tuned in layered vdW systems

25 arison between theory and experiment for the phonons and specific heat suggests that the DFT (+OP) ap

26 PG sheet, partially hybridized with graphene phonons and surface phonons of the neighboring materials

27 ve coupling between the alpha-MoO(3) optical phonons and the Fabry-Perot cavity resonances.

28 cause supracence results in cooled molecular phonons and thus cooled molecules, behavior opposite to

29 d structure, abundance of low energy optical phonons, and strong acoustic-optical phonon coupling res

30 ain low thermal conductivity mechanisms: the phonon anharmonic in PbTe and SnSe, and phonon scatterin

31 tic local structure distortion combined with phonon-anharmonic-induced ultralow lattice thermal condu

32 We searched for electron-phonon anomalies in LSNO by inelastic neutron scattering

33 Moreover, we evidence phonon anti-crossings involving acoustic and optical bra

34 Other phonons are a lot less sensitive to stripe melting.

35 extensively investigated in this system, but phonons are almost completely unexplored.

36 Since the transverse acoustic phonons are almost fully scattered by the compound's int

37 Phonons are considered to be universal quantum transduce

38 These phonons are coupled to the electronic degrees of freedom

39 ctance spectroscopy, three types of coherent phonons are identified: localized 0D breathing modes of

40 apart from that in cuprates where breathing phonons are not overdamped and point out remarkable simi

41 y piezo-optomechanical platform where 10 GHz phonons are resonantly coupled with photons in a superco

42 In this work, we propose that most phonons are still well defined for thermal transport, wh

43 Phonons are the main source of relaxation in molecular n

44 of the 2D lattice, suggesting a mechanism of phonon-assisted charge transfer.

45 rive from a higher concentration of traps or phonon-assisted nonradiative recombination.

46 sulting from unique electric-field-dependent phonon-assisted optical transitions, are demonstrated.

47 xciton at 1.96 eV and a longitudinal optical phonon at 120.6 cm(-1).

48 thermal transport can still be described by phonons at the Ioffe-Regel limit.

49 n the high-temperature regime where the many phonon bands and their interactions dominate the thermal

50 tion of a disequilibrium of magnons with the phonon bath.

51 n degenerate ScN, which has only one optical phonon branch, is well fitted with a constant T(po) = 55

52 while the short-wavelength nondispersive TA phonons break down.

53 trical excitation of the qubit into a single phonon by means of a piezoelectric interaction(3) and su

54 fective scattering of heat carrying acoustic phonons by ferroelectric instability induced soft transv

55 on membrane, we single out the effect of the phonon-carrier interaction.

56 injection efficiency >99% from transducer to phonon cavity.

57 ations to judge mode-by-mode between the two phonon channels.

58 ing long-wavelength transverse acoustic (TA) phonons coexist with the ultrafast diffusion of Ag ions

59 placed crystal structures along the relevant phonon coordinates indicate that the insulating state is

60 ation of phonon polaritons with longitudinal phonons could represent an important step toward the dev

61 ng emergent magneto-optical effects and spin-phonon coupled physics.

62 n relaxation process, together with electron-phonon coupling (~1 ps) and normal phonon-phonon couplin

63 des contribute most strongly to the electron-phonon coupling and ensuing thermal energetic disorder i

64 systems, offering a path towards strong spin-phonon coupling and phonon-mediated hybrid quantum syste

65 ables field control of the interfacial trion-phonon coupling and resultant polaronic trion binding en

66 e vibrational modes and the ensuing electron-phonon coupling constants are combined with experimental

67 paves the way for manipulating the electron-phonon coupling in anisotropic nanomaterials for future

68 t observation of symmetry-dependent electron-phonon coupling in BP by performing the polarization-sel

69 We argue that this feature sets electron-phonon coupling in nickelates apart from that in cuprate

70 y between magnetic correlations and electron-phonon coupling localizes charge carriers.

71 optical phonons, and strong acoustic-optical phonon coupling results in an intrinsically ultralow kap

72 Hermitian parameter in terms of the electron-phonon coupling strength and driving field.

73 , yielding significant transfers of the spin-phonon coupling strength between the different modes.

74 g-range magnetic order enhances the electron-phonon coupling strength by ~50% and that the transition

75 present a method for extracting the electron-phonon coupling strength in the time domain, using time-

76 e first show the presence of strong electron-phonon coupling through temperature-dependent photolumin

77 use nanomechanical systems to realize strong phonon coupling through vacuum fluctuations, and observe

78 We identify signatures of electron-phonon coupling to specific fully symmetric optical mode

79 Apart from exciton-phonon coupling, the octahedral distortion is revealed t

80 ernative bonding states through the electron-phonon coupling.

81 ected by lattice vibrations through electron-phonon coupling.

82 e dissipation is introduced via the electron-phonon coupling.

83 cally control thermal transport via electron-phonon coupling.

84 The phonon densities of states, which were determined previo

85 Changes in the phonon density of states (PDOS) of the weakly coupled su

86 The experimental partial phonon density of states (pDOS), which includes all vibr

87 lator with the increasing electric field for phonon density of states that increases slower than the

88 rom the analysis of the operando NRIXS data (phonon density of states, PDOS) and XAFS measurements.

89 as they carry heat via dual channels: normal phonons described by the Boltzmann transport equation th

90 transport equation theory, and diffuson-like phonons described by the diffusion theory.

91 uctivity through phonon scattering where the phonon dispersion and speed of sound are assumed to rema

92 o accurately determine graphene's low energy phonon dispersion curves and shows that transverse acous

93 density functional theory (DFT)-derived full phonon dispersion relation and molecular dynamics simula

94 thin the high-frequency Ni-O bond stretching phonon dispersion, a softening at the propagation vector

95 ering to directly measure for the first time phonon dispersions in a prototypical molecular qubit.

96 ominate low temperatures while diffuson-like phonons dominate high temperatures.

97 2)Zr(2)O(7) and Tl(3)VSe(4) show that normal phonons dominate low temperatures while diffuson-like ph

98 on the direct observation of coupled magnon-phonon dynamics within a single thin nickel nanomagnet.

99 Electron-phonon (e-ph) interactions are usually treated in the lo

100 critical insight from Umklapp scattering in phonon-electron systems, allow us to leverage the transf

101 Further LO-phonon emission is inhibited, and this leads to partial

102 second time scales) due to processes such as phonon emission.

103 The effect of strain on the optical phonon energies of the epitaxial layers is also discusse

104 er several picoseconds, governed by electron-phonon energy exchange rates.

105 ow the dark exciton by 21.6 meV, equal to E" phonon energy from Se vibrations.

106 olling material properties from hierarchical phonon engineering.

107 quilibrium carriers followed by the electron-phonon equilibration, occurring in a few picoseconds, an

108 (I,n,Te2)n-n transport heat with Debye type phonon excitation, ionically bonded Tl rattles with a fr

109 compound TlInTe(2) , which cause intriguing phonon excitations and strongly suppress the lattice the

110 e observe the Landau levels originating from phonon-exciton complexes and directly probe exciton-phon

111 Phonon-exciton interaction lifts the inter-Landau-level

112 , suggesting strong many-body effects on the phonon-exciton interaction.

113 WSe(2) as an intriguing playground to study phonon-exciton interactions and their interplay with cha

114 been observed only in an equilibrium gas of phonons existing in liquid/solid helium, or in dielectri

115 ode arises from the geometrically frustrated phonon flat-band, which is the lattice bosonic analog of

116 ory calculations reveal a decrease in PbI(6) phonon frequencies in the deuterated perovskite lattice.

117 ucture, dominates the intensity at very high phonon frequencies.

118 bI(6) structures and weakens the electron-LO phonon (Frohlich) coupling, yielding higher electron mob

119 ystal structure upon excitation of its A(1g) phonon has been intensely studied with short pulse optic

120 e, we probe the effect of charge carriers on phonon heat transport at room temperature, using a modif

121 usive role of electron-phonon interaction in phonon heat transport, which is important for understand

122 Furthermore, it is shown that phonon hopping between different branches is important t

123 ab initio calculations that predict wavelike phonon hydrodynamics.

124 ver unusual electronic coupling to flat-band phonons in a layered kagome paramagnet, CoSn.

125 e underlying interplay between electrons and phonons in BP and paves the way for manipulating the ele

126 Landau-quantised Dirac electrons by acoustic phonons in graphene.

127 ant potential to help to clarify the role of phonons in SMMs.

128 The soft phonons in STO are sensitive to electric field, which en

129 very limited experimental investigations on phonons in these systems have been performed so far, yie

130 of unconventional spin-orbit interaction of phonons in this circuit platform, which opens up the pos

131 st example of kagome bosonic mode (flat-band phonon) in electronic excitations and its strong interac

132 s drawbacks for interrogation of the trapped phonons, including limited heat capacity and excess nois

133 phonons, with the linewidths of the acoustic phonons increasing substantially at long wavelengths, bu

134 ized, solely under mechanical strain without phonon instability, so that its electronic bandgap fully

135 in diamond below threshold strain levels for phonon instability.

136 We also explore phonon-instability conditions that promote phase transit

137 nt of the electron-electron and the electron-phonon interaction and its relevance to the formation of

138 ductors to be example systems where electron-phonon interaction can induce more exotic superconductin

139 tal evidence of the elusive role of electron-phonon interaction in phonon heat transport, which is im

140 hermore, we demonstrate tuning of the magnon-phonon interaction into the strong coupling regime via t

141 ional concept in many-body physics, electron-phonon interaction is essential to understanding and man

142 ognized as a sensitive probe of the electron-phonon interaction parameter lambda at metal and metal-o

143 exciton complexes and directly probe exciton-phonon interaction under a quantizing magnetic field.

144 umber of layers contributing to the electron-phonon interaction, which is measured in an atom surface

145 ions, to investigate the underlying electron-phonon interaction.

146 etic field is expected to modify the exciton-phonon interactions by quantizing excitons into discrete

147 al-nuclear basis set for describing electron-phonon interactions in graphene.

148 pped excitons, forming due to strong carrier-phonon interactions in these compounds.

149 competing responses of three-phonon and four-phonon interactions to pressure rise cause a non-monoton

150 atrix formalism is used to describe electron-phonon interactions which drive hot carrier cooling and

151 with increasing temperature due to electron-phonon interactions.

152 e text] The breakdown of short-wavelength TA phonons is directly related to the Ag diffusion, with th

153 ethod that uses optically generated acoustic phonons is expanding standard optical characterization b

154 We observe that screening of LO phonons is not as efficient as it would be in a strictly

155 We find that these valley phonons lead to efficient intervalley scattering of quas

156 We present measurements of the phonon lifetime of a microwave-frequency, nanoscale sili

157 down to millikelvin temperatures, yielding a phonon lifetime of up to [Formula: see text] seconds (qu

158 es strong phonon scattering and consequently phonon lifetime reduces to ultralow value of ca. 0.66(6)

159 y reduce phonon losses, yielding (f x Q) and phonon lifetimes up to 1.36 x 10(17) Hz and 500 us respe

160 ence for propagating solid-like longitudinal phonon-like excitations with wavelengths extending to in

161 oth interfaces and low defect density reduce phonon losses, yielding (f x Q) and phonon lifetimes up

162 ave propagation along dynamic interfaces for phonons lying in static and finite-frequency regimes.

163 e constant a = 3.41(1) angstrom and exhibits phonon mediated superconductivity with a transition temp

164 The phonon-mediated both in-plane and out-of-plane heat tran

165 Importantly, a phonon-mediated exciton cascade from higher energy state

166 path towards strong spin-phonon coupling and phonon-mediated hybrid quantum systems.

167 f MoS(2) and the very unique low energy soft phonon mode (<=7 meV, which is temperature and field tun

168 uppressing Raman activity for the odd-parity phonon mode and the magneto-optical rotation of scattere

169 In CrI(3) bilayers, the same phonon mode becomes Davydov-split into two modes of oppo

170 e magneto-optical Raman effect from an A(1g) phonon mode due to the emergence of FM order.

171 tion of scattered light from the even-parity phonon mode.

172 polaron formation may be coupled to specific phonon modes (<100 cm(-1)).

173 ws a slightly increased number of low-energy phonon modes and a strong decrease in the number of high

174 he existence/absence of imaginary (unstable) phonon modes at low and high temperatures.

175 To understand which specific phonon modes contribute most strongly to the electron-ph

176 The presence of local phonon modes in an extended crystal opens the door to co

177 measurements of absorption bands and surface phonon modes in angstrom-thick protein and SiO(2) layers

178 strong decrease in the number of high-energy phonon modes in comparison to the bulk Sn PDOS.

179 ation and control of the quantum behavior of phonon modes in metallic nanoparticles.

180 While the phonon modes of the compounds deep in the insulating and

181 The temperature evolution of the phonon modes of the x = 0.34 compound reveals the asymme

182 bandgap while allowing heat to be removed by phonon modes outside of the bandgap.

183 ce of soft (frequency ~18-55 cm(-1)) optical phonon modes that constitute relatively flat bands due t

184 f TlSe is a result of its low energy optical phonon modes which strongly interact with the heat carry

185 imental evidence for such low energy optical phonon modes with low-temperature heat capacity and temp

186 d was tested by validating the energy of the phonon modes with previous measurements made at room tem

187 ence on excitation energy, sample thickness, phonon modes, and crystalline orientation.

188 ve features of [VO(acac)[Formula: see text]] phonon modes, such as the presence of low-lying optical

189 d the contribution of additional overlapping phonon modes, which have hindered previous efforts.

190 arises from defect-induced pseudo-localized phonon modes-that is, resonant states resulting from the

191 arly shortens the lifetimes of low-frequency phonon modes.

192 he out-of-plane A(g)(1) and in-plane A(g)(2) phonon modes.

193 xchange of thermal energy between individual phonon modes.

194 hybridized with graphene phonons and surface phonons of the neighboring materials, allow for the cont

195 Low energy optical phonons of TlSe are associated with the intrinsic rattle

196 lusive, preventing intricate manipulation of phonons on par with its photonic counterpart.

197 ubtracting the low-frequency sharp Drude and phonon peaks at low temperatures, we reveal two intermed

198 Al(x)Ga(1-x)N samples exhibit a shift in the phonon peaks with the Al composition.

199 ntly proposed that a remote coupling with LO phonons persists even at high carrier concentration.

200 electron-phonon coupling (~1 ps) and normal phonon-phonon coupling (>100 ps) processes.

201 cedented relaxation process of 4-5 ps-a fast phonon-phonon relaxation process, together with electron

202 we report the observation of multiple valley phonons - phonons with momentum vectors pointing to the

203 gates wherein the nonequilibrium environment phonons play nontrivial roles in exciton dynamics.

204 of sustaining naturally orthogonal in-plane phonon polariton modes in IR.

205 the underlying effective phase change of the phonon polariton reflectance at domain walls.

206 an important step toward the development of phonon polariton-based electrically pumped mid-infrared

207 However recently, ultra-confined surface phonon-polaritonics in high-index chalcogenide films of

208 to its ability to support highly anisotropic phonon polaritons (PhPs)-infrared (IR) light coupled to

209 Here we demonstrate that hyperbolic phonon polaritons in hexagonal boron nitride can overcom

210 red by exploiting the properties of low-loss phonon polaritons in isotopically pure hexagonal boron n

211 d manipulation of the photonic dispersion of phonon polaritons in van der Waals bilayers.

212 the pattern using the scattering dynamics of phonon polaritons launched in hexagonal boron nitride ca

213 Here, a detailed study of hyperbolic phonon polaritons propagating in hexagonal boron nitride

214 The hybridisation of phonon polaritons with longitudinal phonons could repres

215 in the skin depth and wavelength of surface phonon polaritons, we design anisotropic SiO(2) nanoribb

216 ttering in the damping process of hyperbolic phonon polaritons.

217 field imaging we demonstrate tunable surface phonon-polaritons in CMOS-compatible interfaces of few-n

218 oupling of a plasmonic antenna to hyperbolic phonon-polaritons in hexagonal-BN to highly concentrate

219 control interactions with photons, excitons, phonons, polarons, electrons, holes, spins, ions and mol

220 le X-ray scattering, indicating that thermal phonons propagate ballistically within and across the na

221 roviding further insights on ways to control phonon propagation in thermoelectrics, photovoltaics, an

222 k provides a direct determination of thermal phonon propagation lengths in molecular solids, yielding

223 demonstrates that internal strain can modify phonon propagation speed as well.

224 tions have provided insight into microscopic phonon properties for perfect crystals, such properties

225 device, whereby optically-generated acoustic phonon pulses are used to perturb the QCL bandstructure,

226 Strong scattering of phonon quasiparticles by anharmonicity and Ag disorder a

227 as large as nearly half the value of the one-phonon rates, and that including the 2ph processes is ne

228 ctronic properties, with metal-like electron-phonon relaxation and molecule-like long-lived excited s

229 the composite transducer severely limits the phonon relaxation time in sputter-deposited devices.

230 namics of density matrices to calculate spin-phonon relaxation time of solids with arbitrary spin mix

231 Our simulations of anharmonic phonon renormalization go beyond low-order perturbation

232 different quasiparticles, such as prominent phonon replica emission and modified valley-selection ru

233 Our discovery and understanding of the phonon replica reveals a chirality dictated emission cha

234 series of photoluminescence peaks as valley phonon replicas of dark trions.

235 g, we observe a synthetic transverse optical phonon resonance (strong collective near-field coupling

236 This induces strong phonon resonance scattering that induces the ultralow la

237 e decoupled from the soft transverse optical phonons responsible for polar order.

238 highly anharmonic Tl rattling causes strong phonon scattering and consequently phonon lifetime reduc

239 he GeTe reduces the kappa(latt) by effective phonon scattering because of the excess point defects an

240 In most crystals, the competition of phonon scattering by anharmonic interactions and crystal

241 The enhanced phonon scattering by photoexcited free carriers results

242 ntroduction of Sb-doping leads to additional phonon scattering centers and optimizes the p-type carri

243 nternal strain fields are known to introduce phonon scattering centers, this study demonstrates that

244 typical T(-1.5) dependence, indicating that phonon scattering dominates the charge carrier transport

245 nstrate that adsorbates introduce additional phonon scattering in HKUST-1, which particularly shorten

246 to tune the interplay between the competing phonon scattering mechanisms in BAs and similar compound

247 he thermal conductivity by altering both the phonon scattering phase space and the group velocities.

248 the phonon anharmonic in PbTe and SnSe, and phonon scattering resulting from the dynamic disorder in

249 efects decrease thermal conductivity through phonon scattering where the phonon dispersion and speed

250 mpurities, grain boundary, and polar optical phonon scattering, but has negligible influence on latti

251 es the carrier concentration and intensifies phonon scattering, contributing to the peak figure of me

252 ture and it plays a big role in electron and phonon scattering.

253 that transverse acoustic modes cause most of phonon scattering.

254 lyse the influence of external screening and phonon scattering.

255 the samples with large grain size follows a phonon-scattering-dominated T(-3/2) trend over a large t

256 classical conductivity in disordered, multi-phonon semiconductors.

257 ured the internal acoustic modes with single-phonon sensitivity down to millikelvin temperatures, yie

258 ese striking effects, showing that the large phonon shifts directly affect the thermal conductivity b

259 instability induced soft transverse optical phonons significantly reduces the kappa(L) and enhances

260 greement between these values indicates that phonon softening has a major influence on the supercondu

261 rations of graphene induce dynamical optical phonon softening.

262 HBAR is an electrically actuated, multi-mode phonon source that can be directly interfaced with NbN-b

263 acoustic wave resonator (HBAR) is a popular phonon source well suited for QAD.

264 storage and processing by coupling acoustic phonon sources with superconducting or spin qubits.

265 The phonon spectra display anomalous doping evolution of the

266 An analysis of the partial atom-projected phonon spectra suggests that atom type 8, that is locate

267 redicted in the past but here we compute its phonon spectra.

268 For heavily doped samples, the phonon spectrum is further modified by doping disorder.

269 sity functional theory (DFT) analysis of the phonon spectrum uncovers the presence of soft (frequency

270 th represented by discrete electron-spin and phonon-spin scattering processes induces the formation o

271 d and machine learning of its electronic and phonon structures have created opportunities to address

272 Our present dual-phonon theory enlightens the physics of hierarchical pho

273 harged defects and with longitudinal optical phonons, thus contributing to enhanced optoelectronic pr

274 interaction(3) and subsequently converts the phonon to an optical photon by means of radiation pressu

275 ly anharmonic and strongly scatters acoustic phonons to achieve the low lattice thermal conductivity.

276 des causes damping of heat carrying acoustic phonons to ultrasoft frequency (maximum ~37 cm(-1)).

277 uple their elementary excitations (excitons, phonons) to their macroscopic mechanical modes.

278 lly obey reciprocity, which ensures that the phonon transmission coefficient between any two resonato

279 heory enlightens the physics of hierarchical phonon transport as approaching the Ioffe-Regel limit an

280 Using phonon transport models and X-ray diffraction measuremen

281 g plays multiple roles for both electron and phonon transport properties in half-Heusler thermoelectr

282 Our discovery of phonon transport through quantum fluctuations represents

283 tionality of various materials, ranging from phonon transport to biocompatibility.

284 Understanding the mechanism that correlates phonon transport with chemical bonding and solid-state s

285 directly observe the impact of electrons on phonon transport, especially at environmental temperatur

286 Phonon trapping has an immense impact in many areas of s

287 these constraints, we realize a paradigm of phonon trapping using mechanical bound states in the con

288 ion of these molecules drives low-frequency, phonon-type motions of the cage.

289 ntly high frequency to scatter heat-carrying phonons up to room temperature.

290 ves rise to a very low Debye temperature and phonon velocity.

291 lInTe(2) by studying the local structure and phonon vibrations using synchrotron X-ray pair distribut

292 Using identified valley phonons, we also uncover an intervalley exciton near cha

293 d for the coherent longitudinal optical (LO) phonon, which serves as an internal standard and confirm

294 a sudden decrease in the temperature of the phonons, which is approximately instant on the time scal

295 dissipation mechanism dominated by acoustic phonons, which opens new possibilities for engineering n

296 strong coupling of low energy polar optical phonons with acoustic phonons.

297 he internal deformation potential of coupled phonons with applied static magnetic field.

298 the observation of multiple valley phonons - phonons with momentum vectors pointing to the corners of

299 we find that there exist highly anisotropic phonons, with the linewidths of the acoustic phonons inc

300 ced scattering of charge carriers by optical phonons within the nanotube.