idUS - Author profile: Romero Landa, Francisco Javier

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Name	Romero Landa, Francisco Javier
Department	Física de la Materia Condensada
Knowledge area	Física de la Materia Condensada
Professional category	Profesor Titular de Universidad
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17
No. visits

1937
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2196

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Publications
Article Phase transition and polar cluster behavior above Curie temperature in ferroelectric BaTi0.8Zr0.2O3 Aktas, Oktay; Romero Landa, Francisco Javier; He, Zhengwang; Linyu, Gan; Ding, Xiangdong; Martín Olalla, José María; Gallardo Cruz, María del Carmen; Lookman, Turab (American Institute of Physics, 2024) We study the phase transition behavior of the ferroelectric BaTi0.8Zr0.2O3 in the paraelectric region. The temperature ...
Article Ultraslow calorimetric studies of the martensitic transformation of NiFeGa alloys: detection and analysis of avalanche phenomena Martín Olalla, José María; Vidal Crespo, Antonio; Romero Landa, Francisco Javier; Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Gallardo Cruz, María del Carmen; Conde Amiano, Clara Francisca (Springer Nature, 2024) We study the thermal properties of a bulk Ni55 Fe19 Ga26 Heusler alloy in a conduction calorimeter. At slow heating and ...
Article Study of Stability and Thermo-magnetic Response of MnCoFeGeSi Mechanically Alloyed Systems Vidal Crespo, Antonio; Caballero Flores, Rafael; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Romero Landa, Francisco Javier; Conde Amiano, Clara Francisca (Elsevier, 2024) Amorphous precursors with the composition MnCo0.8Fe0.2Ge1-xSix, where x = 0.2, 0.3, 0.4, and 0.6, were obtained through ...
Article A Review of Different Models Derived from Classical Kolmogorov, Johnson and Mehl, and Avrami (KJMA) Theory to Recover Physical Meaning in Solid-State Transformations Blázquez Gámez, Javier Sebastián; Romero Landa, Francisco Javier; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Wiley, 2022) The classical theory of solid-state transformation based on nucleation and growth processes, developed by Kolmogorov, ...
Article Thermo-magnetic characterization of phase transitions in a Ni-Mn-In metamagnetic shape memory alloy Romero Landa, Francisco Javier; Martín Olalla, José María; Blázquez Gámez, Javier Sebastián; Gallardo Cruz, María del Carmen; Soto-Parra, Daniel; Vives, Eduard; Planes, Antoni (Elsevier, 2021) The partially overlapped ferroelastic/martensitic and para-ferromagnetic phase transitions of a Ni50.53Mn33.65In15.82 ...
Article Experimental method to determine specific heat capacity and transition enthalpy at a first-order phase transition: Fundamentals and application to a Ni-Mn-In Heusler alloy Romero Landa, Francisco Javier; Gallardo Cruz, María del Carmen; Martín Olalla, José María; del Cerro Gonzalez, Jaime (Elsevier, 2021) A new method that characterizes thermal properties during a first-order phase transition is described. The technique ...
Article Correlations between Elastic, Calorimetric, and Polar Properties of Ferroelectric PbSc0.5Ta0.5O3 (PST) Linyu, Gan; Romero Landa, Francisco Javier; Franco García, Victorino; Martín Olalla, José María; Gallardo Cruz, María del Carmen; Salje, Ekhard K.H.; Zhou, Yumei; Aktas, Oktay (AIP, 2019) Calorimetric, elastic, and polar properties of ferrolectric lead scandium tantalate PbSc0.5Ta0.5O3 (PST) with 65% cation order ...
Article Scale-invariant avalanche dynamics in the temperature-driven martensitic transition of a Cu-Al-Be single crystal Romero Landa, Francisco Javier; Martín Olalla, José María; Gallardo Cruz, María del Carmen; Soto Parra, Daniel; Salje, E.K.H.; Vives, Eduard; Planes, Antoni (APS, 2019) We have combined high sensitivity, extra-low differential temperature scanning rate calorimetry, and acoustic emission ...
Article Avalanche criticalities and elastic and calorimetric anomalies of the transition from cubic Cu-Al-Ni to a mixture of 18R and 2H structures Vives, Eduard; Baró, Jordi; Gallardo Cruz, María del Carmen; Martín Olalla, José María; Romero Landa, Francisco Javier; Driver, Sarah L.; Carpenter, Michael A.; Stipcich, Marcelo; Romero, Ricardo; Planes, Antoni (American Physical Society, 2016) We studied the two-step martensitic transition of a Cu-Al-Ni shape-memory alloy by calorimetry, acoustic emission (AE), ...
Article Avalanche correlations in the martensitic transition of a Cu-Zn-Al shape memory alloy: analysis of acoustic emission and calorimetry Baró, Jordi; Martín Olalla, José María; Romero Landa, Francisco Javier; Gallardo Cruz, María del Carmen; Salje, Ekhard K.H.; Vives, Eduard; Planes, Antoni (IOP Publishing, 2014) The existence of temporal correlations during the intermittent dynamics of a thermally driven structural phase transition ...
Article Dynamic heat flux experiments in Cu67.64Zn 16.71Al15.65: Separating the time scales of fast and ultra-slow kinetic processes in martensitic transformations Romero Landa, Francisco Javier; Manchado Ligioiz, Julia; Martín Olalla, José María; Gallardo Cruz, María del Carmen; Salje, E.K.H. (American Institute of Physics, 2011) Crackling noise and avalanches during the martensite phase transformation of Cu67.64Zn16.71Al15.65 were investigated. Heat ...
Article Deuteration effect on tricritical phase transition of triglycine selenate: Calorimetric and dielectric measurements analyzed in the framework of Landau theory Romero Landa, Francisco Javier; Gallardo Cruz, María del Carmen; Martín Olalla, José María; Cerro González, Jaime del (AIP Publishing, 2010) The ferroelectric phase transition of three single crystals of TGSe1−x DTGSex has been described by using specific heat, ...
Article Avalanche criticality in the martensitic transition of Cu67.64 Zn16.71 Al15.65 shape-memory alloy: A calorimetric and acoustic emission study Gallardo Cruz, María del Carmen; Manchado Ligioiz, Julia; Romero Landa, Francisco Javier; Cerro González, Jaime A. del (American Physical Society, 2010) The first-order diffusionless structural transition in Cu67.64 Zn16.71 Al15.65 is characterized by jerky propagation of ...
Article Memory effect in triglycine sulfate induced by a transverse electric field: specific heat measurement Gallardo Cruz, María del Carmen; Martín Olalla, José María; Romero Landa, Francisco Javier; Cerro González, Jaime A. del; Fugiel, B. (IOP Publishing, 2009) The influence of a transverse electric field on the specific heat of triglycine sulfate (TGS) has been studied. The specific ...
Article Phase coexistence in highly deuterated ferroelectric triglycine selenate: Landau description Romero Landa, Francisco Javier; Gallardo Cruz, María del Carmen; Cerro González, Jaime A. del (IOP Publishing Ltd., 2006) The phase transition in a 90% deuterated sample of TGSe has been investigated by calorimetric and dielectric measurements. ...
Article The order parameter–entropy relation in some universal classes: experimental evidence Martín Olalla, José María; Romero Landa, Francisco Javier; Ramos Vicente, Saturio; Gallardo Cruz, María del Carmen; Pérez Mato, J. M.; Salje, E.K.H. (IOP Publishing, 2003) The asymptotic behaviour near phase transitions can be suitably characterized by the scaling of $\Delta s/Q^2$ with ...
Article Square modulated differential thermal analysis Cerro González, Jaime del; Martín Olalla, José María; Romero Landa, Francisco Javier (Elsevier, 2002) KMnF3 and DKDP crystals have been studied around their phase transitions using a conduction calorimetry technique where a ...